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Transcript of BW Industries - Purlins
PurlinsRails, Eaves Beams & Accessories
BW®
INDUSTRIES
making steelwork
Software
BW Industries - Purlins
Introduction
BW® Industries Ltd., an ISO 9001:2000 registered company,
has been manufacturing components for the construction
industry since it was established in 1974.
As a privately owned company and as a reflection of our clear
commitment, we have gained a leading position in the steel
sections industry, by our insistence that, without compromise,
all components are of high quality, accurately manufactured
whilst remaining cost competitive, and is supported by
continuing research, development and testing. In recognition
of this commitment, the company operates a declared policy
of ‘customer care’ and has established its in-house systems to
meet these rigorous demands.
This publication, in conjunction with the BW® Building Wizard
software has been designed to introduce you to our Purlin and
Rail Systems. The information they contain are as a direct result
of our continuing partnership, and from exhaustive, full scale
testing, analysis and calculation by Sheffield Hallam University
School of Engineering and Alan Wood & Partners, Consultant
Structural Engineers, under the auspices of Professor Graham
Cockerham, Professor of Design & Analysis, B.Eng. Mphil,
C.Eng, MIMechE and Mr Martin Richards Eur. Ing. B.Eng, C.Eng,
MIStrucE, MICE.
BW® are proud to have an excellent reputation in the
construction and engineering industries, established through
continued commitment and an unrivalled service level.
Carnaby Industrial Estate | Carnaby | Bridlington | East Yorks | YO15 3QY
Phone 01262 400088 | Fax 01262 401110
E-mail [email protected] | Website www.bw-industries.co.uk
Introduction
Page 6
BW® ‘Snaptite’ Anti-sag Ties
BW® Rafter Stays
Page 8
BW® Apex Ties
Page 7
BW® Diagonal TiesBW® Zed Sections
Page 4 Page 15
Building Details
BW Industries - Purlins
BW® Purlin Assembly Detail BW® Side Rail Supports
BW® Cleat Details
BW® Eaves Beams
Page 11 page 3 Page 14
Page 5
BW Industries - Purlins
Contents
Design Geometry & Section Properties (Purlins) 1
Design Geometry & Section Properties (Side Rails) 2
Construction & Assembly 3
BW® Zed Sections 4
BW® Sleeves 4
BW® Cleats for Zed Sections 5
Purlin Ties 6
Ancillary Items & Accessories 7
Cleader Rail 8
Eaves Beams 9
Mono Pitched Roof System 12
Non-Restraint Cladding to Roof 13
Siderail Restraining Systems 14
Diagonal Ties 15
Fire Restraint Wall System 16
Sleeved Purlin Load Tables 17
Butted Purlin Load Tables 21
Sleeved Side Rail Load Tables 25
Butted Side Rail Load Tables 33
Useful Cladding Weights 41
Detail Sheets – Eaves Beams, Zed Sections & ‘C’ Sections
Building Details
Contents
BW Industries - Purlins
Purlins & Rails - Z Sectionn Designed in accordance with
BS5950 Part 5
n Manufactured by cold roll forming of pre-hot dipped galvanised strip EN10 147 Fe390 G275 with minimum tensile strength of 390N/mm2
n Secondary sheeting supports valid up to 10m span and up to 25º of roof pitch (dependant upon applied load)
n Performance figures based upon structures having two or more bays with section made continuous by jointing sleeves, with sheeting providing lateral restraint.
Section Depth Top Bottom Gauge kg/m Area/cm2 Ixx/cm4 Iyy/cm4 Zxx/cm3 Zyy/cm3 Rxx/cm Ryy/cm D A B E
Z14115 141 56 51 1.5 3.11 4.19 131.42 28.09 18.28 5.16 5.60 2.59Z14116 141 56 51 1.6 3.32 4.46 139.75 29.78 19.44 5.48 5.60 2.58Z14118 141 56 51 1.8 3.73 5.00 156.26 33.08 21.74 6.10 5.59 2.57Z14120 141 56 51 2.0 4.14 5.54 172.56 36.31 24.01 6.71 5.58 2.56Z15115 151 56 51 1.5 3.26 4.34 154.02 28.09 20.03 5.16 5.96 2.55Z15116 151 56 51 1.6 3.48 4.62 163.81 29.78 21.30 5.48 5.96 2.54Z15118 151 56 51 1.8 3.91 5.18 183.20 33.09 23.82 6.10 5.95 2.53Z15120 151 56 51 2.0 4.35 5.74 202.36 36.31 26.31 6.70 5.94 2.52Z17115 171 67 62 1.5 3.73 4.97 229.80 45.58 26.45 6.97 6.80 3.03Z17116 171 67 62 1.6 3.98 5.29 244.49 48.36 28.14 7.40 6.80 3.02Z17118 171 67 62 1.8 4.48 5.94 273.63 53.83 31.50 8.25 6.79 3.01Z17120 171 67 62 2.0 4.98 6.58 302.47 59.18 34.81 9.08 6.78 3.00Z17125 171 67 62 2.5 6.22 8.18 373.21 72.03 42.96 11.09 6.76 2.97Z20115 201 67 62 1.5 4.07 5.42 334.24 45.59 32.79 6.96 7.86 2.90Z20116 201 67 62 1.6 4.35 5.77 355.68 48.37 34.89 7.39 7.85 2.90Z20118 201 67 62 1.8 4.89 6.48 398.26 53.84 39.07 8.24 7.84 2.88Z20120 201 67 62 2.0 5.43 7.18 440.42 59.19 43.21 9.07 7.83 2.87Z20123 201 67 62 2.3 6.25 8.23 502.90 66.98 49.34 10.29 7.82 2.85Z20125 201 67 62 2.5 6.79 8.93 544.05 72.03 53.37 11.08 7.81 2.84Z23116 231 78 71 1.6 4.97 6.57 535.22 70.70 45.56 9.30 9.03 3.28Z23118 231 78 71 1.8 5.60 7.38 599.62 78.79 51.04 10.38 9.02 3.27Z23120 231 78 71 2.0 6.22 8.18 663.48 86.72 56.47 11.44 9.01 3.26Z23123 231 78 71 2.3 7.15 9.38 758.25 98.32 64.54 12.99 8.99 3.24Z23125 231 78 71 2.5 7.77 10.18 820.75 105.87 69.86 14.01 8.98 3.23Z26118 261 82 74 1.8 6.09 8.04 819.44 89.05 61.69 11.16 10.09 3.33Z26120 261 82 74 2.0 6.77 8.92 907.01 98.05 68.29 12.31 10.08 3.32Z26123 261 82 74 2.3 7.78 10.23 1037.09 111.23 78.08 13.99 10.07 3.30Z26125 261 82 74 2.5 8.46 11.10 1122.95 119.81 84.54 15.08 10.06 3.29Z26129 261 82 74 2.9 9.81 12.83 1292.65 136.46 97.31 17.22 10.04 3.26Z30120 301 92 84 2.0 7.71 10.12 1360.05 135.37 88.98 15.09 11.59 3.66Z30123 301 92 84 2.3 8.87 11.61 1556.12 153.77 101.81 17.17 11.58 3.64Z30125 301 92 84 2.5 9.64 12.60 1685.71 165.77 110.29 18.53 11.57 3.63Z30129 301 92 84 2.9 11.18 14.57 1942.17 189.15 127.06 21.19 11.55 3.60Z34123 341 102 94 2.3 9.95 12.99 2223.19 205.75 128.61 20.66 13.08 3.98Z34125 341 102 94 2.5 10.81 14.10 2409.17 221.96 139.37 22.31 13.07 3.97Z34130 341 102 94 3.0 12.98 16.86 2869.04 261.39 165.97 26.34 13.04 3.94
A
17
D
E
B
19
Design Geometry & Section Properties1
BW Industries - Purlins
2
BW Industries - Purlins
Design Geometry & Section Properties
Purlins & Rails - C Section
Section Depth Top Bottom Gauge kg/m Area/cm2 Ixx/cm4 Iyy/cm4 Zxx/cm3 Zyy/cm3 Rxx/cm Ryy/cm D A B E
C14115 141 60 60 1.5 3.39 4.38 141.09 22.54 19.87 5.55 5.68 2.27C14116 141 60 60 1.6 3.62 4.67 150.05 23.92 21.13 5.89 5.67 2.26C14118 141 60 60 1.8 4.07 5.23 167.81 26.63 23.64 6.56 5.66 2.26C14120 141 60 60 2.0 4.52 5.80 185.36 29.29 26.11 7.21 5.65 2.25C15115 151 60 60 1.5 3.51 4.53 165.12 23.04 21.73 5.59 6.04 2.26C15116 151 60 60 1.6 3.74 4.83 175.63 24.45 23.11 5.93 6.03 2.25C15118 151 60 60 1.8 4.21 5.41 196.46 27.23 25.85 6.61 6.02 2.24C15120 151 60 60 2.0 4.68 6.00 217.05 29.94 28.56 7.27 6.01 2.23C17115 171 70 70 1.5 3.98 5.13 241.85 34.61 28.12 7.12 6.87 2.60C17116 171 70 70 1.6 4.25 5.47 257.33 36.75 29.92 7.56 6.86 2.59C17118 171 70 70 1.8 4.78 6.13 288.04 40.97 33.49 8.43 6.85 2.58C17120 171 70 70 2.0 5.31 6.80 318.44 45.11 37.03 9.28 6.84 2.58C17125 171 70 70 2.5 6.63 8.45 393.06 55.12 45.71 11.35 6.82 2.55C20115 201 70 70 1.5 4.33 5.58 350.89 36.37 34.74 7.23 7.93 2.55C20116 201 70 70 1.6 4.62 5.95 373.43 38.62 36.97 7.68 7.93 2.55C20118 201 70 70 1.8 5.20 6.67 418.18 43.05 41.40 8.57 7.92 2.54C20120 201 70 70 2.0 5.78 7.40 462.52 47.41 45.79 9.43 7.91 2.53C20123 201 70 70 2.3 6.64 8.48 528.24 53.78 52.30 10.71 7.89 2.52C20125 201 70 70 2.5 7.22 9.20 571.53 57.92 56.59 11.53 7.88 2.51C23116 231 78 78 1.6 5.19 6.68 550.26 52.26 47.44 9.18 9.07 2.80C23118 231 78 78 1.8 5.84 7.50 616.51 58.31 53.15 10.24 9.07 2.79C23120 231 78 78 2.0 6.48 8.32 682.22 64.25 58.81 11.29 9.06 2.78C23123 231 78 78 2.3 7.46 9.54 779.74 72.98 67.22 12.83 9.04 2.77C23125 231 78 78 2.5 8.11 10.35 844.07 78.66 72.76 13.83 9.03 2.76C26118 261 82 82 1.8 6.37 8.19 844.12 68.22 64.44 11.20 10.15 2.89C26120 261 82 82 2.0 7.08 9.08 934.40 75.20 71.33 12.35 10.14 2.88C26123 261 82 82 2.3 8.14 10.41 1068.51 85.45 81.57 14.03 10.13 2.86C26125 261 82 82 2.5 8.85 11.30 1157.05 92.14 88.32 15.14 10.12 2.86C26129 261 82 82 2.9 10.27 13.06 1332.08 105.18 101.69 17.29 10.10 2.84C30120 301 92 92 2.0 8.02 10.28 1396.45 103.88 92.48 14.99 11.66 3.18C30123 301 92 92 2.3 9.23 11.79 1597.90 118.17 105.82 17.06 11.64 3.17C30125 301 92 92 2.5 10.03 12.80 1731.06 127.51 114.64 18.41 11.63 3.16C30129 301 92 92 2.9 11.63 14.80 1994.64 145.78 132.10 21.06 11.61 3.14C34123 341 102 102 2.3 10.31 13.17 2276.79 158.07 133.15 20.36 13.15 3.46C34125 341 102 102 2.5 11.21 14.30 2467.36 170.68 144.29 21.99 13.14 3.45C34130 341 102 102 3.0 13.45 17.10 2938.67 201.43 171.85 25.97 13.11 3.43
A
17
D
E
B
18
3
BW Industries - Purlins
n Sleeves are used to join the end of successive Zeds over the centre line of the rafters or sections
n A clearance distance of 6mm should be allowed between purlins & rails at jointing points
n Holes are punched 18mm diameter to accept 16mm bolt fixings (corrosive resistant)
n Butted purlins & rails fitted identically but have two bolt end connections only
Sleeves are fitted between cleat and roof purlin, narrow flange to top (pointing up slope). Purlin then fitted, wide flange to top (pointing upslope)
Sleeves are fitted between cleats and sheeting rail. Side rails can be fitted with wider flange either way (but must be upfacing if using hook bolts)
The end bays are always single spanning zeds jointed to the penultimate bay with sleeves and staggered sleeve joints to remaining primary steelwork. Double span zeds are fixed at mid-points with 4 fixing bolts through cleats.
A simplified system for smaller spans or for buildings with a lighter load criteria (such as agricultural specification).
Sleeved Assembly Detail Butt Assembly Detail
Sleeved Roof Purlin Joint Sleeved side rail joint
Sleeved system Single span butted system
Upslope
Detail of Sleeved Joint
Upslope
Detail of Butted Joint
Penultimate rafters
Construction & Assembly
4
BW Industries - Purlins
All holes are 18mm diameter unless stated otherwise. All holes are punched in pairs on standard gauge lines.
Type A B C D E F GZ141 141 43 56 42 240 56 51Z151 151 43 66 42 265 56 51Z171 171 43 86 42 290 67 62Z201 201 43 116 42 350 67 62Z231 231 43 146 42 410 78 71Z261 261 43 176 42 460 82 74Z301 301 43 216 42 600 92 84Z341 341 43 256 42 750 102 94
All dimensions in millimetres
32
E
E32
LENGTH
D
C
B
F
G
17
A
19
BW® ‘Z’ Section Sleeves
All holes are 18mm diameter unless stated otherwise. All holes are punched in pairs on standard gauge lines.
Type A B C D E F G HZ141 141 42 56 43 614 240 56 51Z151 151 42 66 43 664 265 56 51Z171 171 42 86 43 714 290 67 62Z201 201 42 116 43 834 350 67 62Z231 231 42 146 43 954 410 78 71Z261 261 42 176 43 1054 460 82 74Z301 301 42 216 43 1154 600 92 84Z341 341 42 256 43 1254 750 102 94
All dimensions in millimetres
32
F
70
F
32
D
C
B
E
H
G
19
A
17
BW® ‘Z’ Sections
BW® ‘Z’ Sections & Sleeves
5
BW Industries - Purlins
All holes are 18mm diameter. Finish: galvanised or primer paint
Type A B C D T141 130 24 56 50 6151 140 24 66 50 6171 160 24 86 50 6201 190 24 116 50 8
All dimensions in millimetres
Alternative weld on type cleats can be supplied in either Flat Plate Form or Angle (excluding bottom flange holes).
BW® Cleats – Bolt-on-type
All holes are 18mm diameter. Finish: galvanised or primer paint
Alternative weld on cleats can be supplied without baseplate. Type A B C T
231 220 146 60 6261 250 176 60 6301 290 216 60 8341 330 256 60 8
All dimensions in millimetres
BW® Cleats – Bolt-on-type
By others – Dimensions as standard cleats to suit standard gauge lines
Alternative Cleats
A B
C
A
B
130
A
B
70
30
30
C
D
T
3530
65
T
C 70
30
30 130
24
B
50
A
30
C 35
70 30
25
BW® Cleats & Alternative Cleats
6
BW Industries - Purlins
NOTE: When ordering ancillary items, please ensure the correct production details are given for each item. It is our intent to avoid any unnecessary delay or error, which misleading information may cause.
n BW® ‘Snaptite’ Ties also prevent the purlin from ‘rotating’ during installation whilst assisting with restraining the bottom flange against wind uplift. The rigidity of the purlin is greatly enhanced once the roof sheeting is installed
n In accordance with BS5950 Part V, BW® ‘Snaptite’ Anti-sag Ties should be fitted when a purlin span is in excess of 4.6m so that the laterally unsupported length does not exceed 3.8m For Z301 & Z341 Purlins use ‘sheeting rail’ type angle braces (as diagram) above.
n It is recommended the above detail is adhered to if wind loadings are unknown or doubtful.
n In some cases Anti-sag Ties are not required. This situation demands that temporary props/bars are used until the sheeting is fixed, but regardless of wind loading, the absolute maximum spans without permanent ties are:
Z141, Z151, Z171, Z201 up to 6.1mZ231 up to 7.1mZ261 up to 7.6mZ301, Z341 up to 8.1m
PRODUCT INFORMATION REQUIRED WHEN ORDERING
n3 PURLIN CENTRE DIMENSION ONLY!
BW® ‘Snaptite’ Purlin Anti-sag Ties
Detail of ‘BW® Snaptite’ Anti-sag Tie when fixed
Corrosion resistant tubular steel ‘BW® Snaptite’ Ferrule (for 18mm dia purlin holes)
Roof pitch 4º to 10º
Fix ‘Snaptite’ Anti-sag Ties top hole to bottom hole to prevent purlin from rolling forwards
Roof pitch above 10º
Fix ‘Snaptite’ Anti-sag Ties bottom hole to top hole to prevent purlin from rolling backwards
Other Criteria
For roof pitch below 4º and purlin centres above 2.5m use ‘sheeting rail’ type angle braces. For roof slope in excess of 18m use ‘sheeting rail diagonal tie system’ supports
Ancillary Items & Accessories
Angle Brace
7
BW Industries - Purlins
Roof Ties
PRODUCT INFORMATION REQUIRED WHEN ORDERING
n3 PURLIN CENTRE DIMENSION n3 TOP PURLIN TYPE n3 BOTTOM PURLIN TYPE!
45 x 45 Angle 2mm Galvanised with 2 No. End Brackets. 18mm dia holes required in purlins to take these ties.
Hole centres required to take these tiesPurlin Ref 141 151 171 201 231 261 301 341Hole Centres ‘A’ 56 66 86 116 146 176 216 256
All dimensions in millimetres
The above Roof Ties should be used for pitches below 4º and purlin spacing exceeding 2.5m. These can also be used instead of Eaves Ties.
Where the roof slope is longer than 18m we would recommend the use of the Roof Ties c/w the diagonal tie system within the roof slope.
Diagonal Ties
For use with the above Roof Ties.
5mm diameter Galvanised Wire Rope with 2 No. 40 x 8mm Flat Bar End Brackets.
18mm dia holes required in purlins to take these wires.
PRODUCT INFORMATION REQUIRED WHEN ORDERING
n3 PURLIN CENTRE n3 SPAN HOLE CENTRES!
Apex Ties
Apex Ties are used to offer rigid restraint on pitched roofs. Used in conjunction with anti-sag ties to give perpendicular support to the purlins.
Apex Ties connect the two uppermost purlins across the ridge and are usually 12mm screwed rod.
Apex Ties are cranked at centre point. M12 threaded Rod BZP with M12 Nuts & M12 Flat Washers. 14mm diameter holes required in purlins to take these ties.
PRODUCT INFORMATION REQUIRED WHEN ORDERING
n3 PURLIN TO APEX DIMENSION AND ROOF PITCH!
28
RAIL CENTRE
DIMENSION
A 28 28 A 28
Ancillary Items & Accessories continued
8
BW Industries - Purlins
Rafter/Stanchion Stays
To securely fix the purlin to the main steelwork frame, stays are used, fixed as shown by 2 pre-punched Ø18 holes.
Detail consists of: L x 45 x 45 x 2 Galv. Steel
PRODUCT INFORMATION REQUIRED WHEN ORDERING
n3 SIZE OF CLEADER REQUIRED!
PRODUCT INFORMATION REQUIRED WHEN ORDERING
n3 HOLE CENTRE DIMENSION!
Cleader Rail
Available in 2 sizes. Both supplied from stock in 6 metre plain Unpunched lengths.
Small45x45mm Angle 2mm Galvanised for use where purlin centres are up to 1.8m
Large100x100mm Angle 2mm Galvanised for use where purlin centres are over 1.8m
BW® Cleader rail is fixed to the end of the purlins to carry vertical cladding. A 6mm gap is recommended for joints in the Cleader Rail. A Jointing Cleat to be used where required – not supplied by BW® (Size suggested 70x60x3mm 50mm long) or simply overlap by approx 28mm.
25HOLE CENTRES
25
45° RECOMMENDED
Ancillary Items & Accessories continued
�
BW Industries - Purlins
55
100
60
100
DEPTH
32
70
LENGTH O/ALL
0° UP TO 20°
Eaves Beams
Section Dimensions & Properties
Section Depth mm Gauge mm Wgt kg/m Area cm2 Ixxc cm4 Iyy cm4 Zxx cm3 Zxxc cm3 Zyy cm3 rxx cm ryy cm
17020 170 2.0 6.31 8.04 315.07 110.16 46.84 37.07 16.73 7.04 3.70
17024 170 2.4 7.54 9.61 412.41 130.44 55.71 48.52 19.81 7.02 3.68
17030 170 3.0 9.37 11.94 556.02 159.80 68.71 65.41 24.27 6.99 3.66
20020 200 2.0 6.78 8.64 464.30 116.30 57.48 46.43 17.07 8.16 3.67
20024 200 2.4 8.11 10.33 603.73 137.72 68.42 60.37 20.21 8.14 3.65
20030 200 3.0 10.08 12.84 808.18 168.74 84.48 80.82 24.77 8.11 3.63
21020 210 2.0 6.94 8.84 522.10 118.16 61.16 49.72 17.16 8.52 3.66
21024 210 2.4 8.30 10.57 677.44 139.92 72.81 64.52 20.33 8.50 3.64
21030 210 3.0 10.31 13.14 904.89 171.44 89.95 86.18 24.91 8.48 3.61
24020 240 2.0 7.41 9.44 721.53 123.27 72.61 60.13 17.42 9.61 3.61
24024 240 2.4 8.86 11.29 930.40 145.98 86.49 77.53 20.63 9.59 3.60
24030 240 3.0 11.02 14.04 1235.04 178.87 106.94 102.92 25.29 9.56 3.57
27024 270 2.4 9.43 12.01 1234.15 151.31 100.89 91.42 20.89 10.65 3.55
27030 270 3.0 11.73 14.94 1628.54 185.40 124.83 120.63 25.61 10.62 3.52
33024 330 2.4 10.56 13.45 2009.61 160.25 131.86 121.79 21.30 12.72 3.45
33030 330 3.0 13.14 16.74 2622.80 196.36 163.33 158.96 26.11 12.69 3.42
10
BW Industries - Purlins
Eaves Beam Cleat
Eaves Beam Cleat is used for the main stanchion connection to eaves beam.
PRODUCT INFORMATION REQUIRED WHEN ORDERING
n3 LENGTH n3 EAVES BEAM TYPE!
Construction Detail
Welding position of Eaves Beam Cleat to Stanchion
Eaves Beam Cleat Stiffening Bracket
Eaves Beam Stiffening Brackets are bolted inside the Eaves Beam to offer a fixing point for the Eaves Tie Fixing Bracket.
6mm mild steel plate, hot dip galvanised after manufacture, pre-punched with 4 No. 18 mm diameter holes.
PRODUCT INFORMATION REQUIRED WHEN ORDERING
n3 EAVES BEAM TYPE!
LENGTH
150
30
7040
40
57
78
Eaves Beam Cleat & Stiffening Bracket
Varies
11
BW Industries - Purlins
BW® Eaves Tie with End Brackets
BW® Eaves tie with end brackets connects the Eaves Beam to the Bottom Purlin.
Comprising:
45x45x2mm galvanised angle with end brackets factory fitted to preset angle.
Eaves Beam and Bottom Purlin punched at 18mm diameter to accept Eaves Ties.
PRODUCT INFORMATION REQUIRED WHEN ORDERING
n3 EAVES BEAM TYPE n3 PURLIN PITCH!
End Bracket
6mm mild steel hot dip galvanised. Can be fixed to Eaves Beam through web or flange dependant on angle of Eaves Tie.
PITCH
10060
50
Eaves Beam to Purlin Tie
12
BW Industries - Purlins
Mono Pitched Roof
For monopitch and other roofs where restraint to the ridge purlin cannot be given by apex ties, some equivalent anchor must be used. This may take the form of a simple tie to a substantial ridge beam or alternatively by a combination of struts and diagonal bracing between the topmost lines of purlins.
Detail illustrating Mono (single) pitch roof configuration note position of roof struts, diagonal tie wires and BW® snaptite rods (If span is in excess of 7.600M, support points must be introduced at 37.5% and 62.5% of purlin length (not shown).
Detail illustrating typical layout to facilitate a tiled roof with enhanced restraint methods to allow for higher load factors. It is important that the unrestrained purlin length is kept to 2.000M max and rigid apex ties are utilised.
Tiled Roof
ROOF STRUT
BW SNAPTITE ROD
DIAGONAL TIE WIRES
ROOF STRUT
MAX 2.000m
DIAGONAL TIE WIRES
ROOF STRUT
TIMBER RAFTER
TIMBER RAFTER TIMBER RAFTER
Mono Pitched Roof System
13
BW Industries - Purlins
Some modern cladding materials are fixed without providing any lateral restraint to the purlins. Increased support is enhanced by using angle ties throughout. Again the unrestrained purlin length is kept to 2.000m max. of purlins.
2.000m MAX
Non-Restraining Cladding to Roof
14
BW Industries - Purlins
BW® ‘Restraint’ or ‘Supporting’ ancillaries are incorporated to deter loading deformation of the side rails and assist in strengthening the overall structure when loaded with the side sheeting. All loading conditions are specifically calculated, only use BW® Products illustrated to ensure correct stability under wind pressure and suction loads.
BW® Side Rail Supports
Support Cleat Hole Centres Face to Face with Rails. It is recommended that the two lower rails are fixed first and aligned before the remaining rails are installed. PRODUCT INFORMATION REQUIRED WHEN ORDERING
n3 RAIL CENTRES n3 TOP & BOTTOM RAIL TYPE!
BW® Clamp Plate
Clamp Plate fitted under the bottom side rail only, to accept the side rail support and tie brackets, if necessary.
PRODUCT INFORMATION REQUIRED WHEN ORDERING
n3 RAIL TYPE!
For Z141 & Z151 Rails For Z171,Z201, Z231, Z261, Z301, Z341 Rails
Special Fixing to Eaves Beam
Hole centres in End BracketsRail Type Z141 Z151 Z171 Z201 Z231 Z261 Z301 Z341Centres 56 66 86 116 146 176 216 256
All dimensions in millimetres
BW® side rail supports are manufactured from hot dipped galvanised steel (angle section 45x45x2mm)
HOLE CENTRE DIM
HOLE CENTRE DIM28
28
28
28
RAIL CENTRE
DIM
RAIL CENTRE
DIM
RAIL CENTRE
DIM
HOLE CENTRE DIM
HOLE CENTRE DIM28
28
28
28 HOLE CENTRE DIM
HOLE CENTRE DIM
28
28
2828
TO SUIT RAIL TYPE
=
25
3mm GALVANISED 18mm DIA HOLES
25
45 =
Side Rail Restraining Systems
15
BW Industries - Purlins
BW® Diagonal Ties
Diagonal Tie Bracket fitted on top of Cleat to the hole nearest to the cladding and sandwiched between the Side Rail and the Side Rail Support.
PRODUCT INFORMATION REQUIRED WHEN ORDERING
n3 HOLE CENTRES (DIAMETER A) n3 RAIL CENTRES (DIAMETER B)!
Detail A
Side rail support struts fitted at a 1/3 points (equidistance) with one diagonal tie for bay from 6.1m–10m max. (in accordance with BS5950).
Detail B
Side rail support struts fitted at a midpoint with two diagonal ties, for bays from 3.2m to 6.1m maximum (In accordance with BS5950).
Detail C
Tie end bracket secured on the underside of the rail support cleat.
For use with side rail supports Ø 5mm Galvanised wire rope, adjustable within a range of 50mm at each end. Diagonal ties should be fitted where required such that the angle is within the range of 25º-65º.
If the angle is less than 25º additional side rail supports are required.
Detail A
Detail B
Detail C
CLCL HOLE CENTRES (DIM A)
RAFTER OR STANCHION
ZED CENTRES
(DIM B)
40x8 END BRACKET
Diagonal Ties
16
BW Industries - Purlins
In certain applications it is necessary to include fire protection to some or all of the perimeter walls around the building. There are many fire resistant wall cladding systems which are available today.
General Notes
The rail or cleat is slotted longitudinally (18mm x 50mm) on the standard grid lines. 60mm gap required between ends of rails.
Fixing bolts to all joints must be fitted with a combustible washer, which will collapse under fire conditions, to allow movement for the rail to expand.
The period of resistance is solely dependent on the cladding material used, and the type of construction. A certificate should be obtained from the cladding supplier.
All primary structural steelwork, supporting the rails and cladding, should be fire protected.
Standard Gauge Lines
Type Dim ‘A’ Dim ‘B’ Dim ‘C’ Dim ‘F’141 43 56 240 664151 43 66 265 714171 43 86 290 764201 43 116 350 884231 43 146 410 1004261 43 176 460 1104301 43 216 600 1384341 43 256 750 1684
All dimensions in millimetres
Fixing system 1 Fixing system 2
Outside Columns Inside Columns
‘Butt/Non-Continuous Rail Arrangement’, normally fixed outside the columns, but can also be fitted between the columns. Allow 60mm gap at rail joint for expansion.
‘Sleeved Rail Arrangement’. Alternate sleeve butt/non-continuous connection to column, even number of bays. When odd bays occur, use the special sleeve. Allow 60mm gap at rail joints for expansion.
Special Firewall Sleeves
B
32
DIM F
30
30
31
31
A
120
32
TO SUIT C
TO SUIT C
Fire Restraint Wall System
17
BW Industries - Purlins
Sleeved Purlin Load Tables
5000
4500
4000
Section kg/m UDL kN 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
3500
Z141-15 3.11 13.65 3.90 3.25 2.84 2.60 2.33 2.17 1.95 1.63 1.30 None 21.84Z141-16 3.32 14.94 4.27 3.56 3.10 2.85 2.55 2.37 2.13 1.78 1.42 None 23.90Z141-18 3.73 17.24 4.93 4.11 3.58 3.28 2.94 2.74 2.46 2.05 1.64 None 27.59Z141-20 4.14 19.44 5.55 4.63 4.04 3.70 3.32 3.09 2.78 2.31 1.85 None 31.10Z151-15 3.26 14.75 4.21 3.51 3.06 2.81 2.52 2.34 2.11 1.76 1.40 None 23.60Z151-16 3.48 16.14 4.61 3.84 3.35 3.08 2.75 2.56 2.31 1.92 1.54 None 25.83Z151-18 3.91 18.65 5.33 4.44 3.88 3.55 3.18 2.96 2.66 2.22 1.78 None 29.84Z151-20 4.35 21.06 6.02 5.01 4.38 4.01 3.59 3.34 3.01 2.51 2.01 None 33.70 Z141-15 3.11 11.95 2.99 2.49 2.17 1.99 1.78 1.66 1.49 1.24 1.00 None 19.11Z141-16 3.32 13.07 3.27 2.72 2.38 2.18 1.95 1.82 1.63 1.36 1.09 None 20.91Z141-18 3.73 15.09 3.77 3.14 2.74 2.51 2.25 2.10 1.89 1.57 1.26 None 24.14Z141-20 4.14 17.01 4.25 3.54 3.09 2.83 2.54 2.36 2.13 1.77 1.42 None 27.21Z151-15 3.26 12.90 3.23 2.69 2.35 2.15 1.93 1.79 1.61 1.34 1.08 None 20.65Z151-16 3.48 14.13 3.53 2.94 2.57 2.35 2.11 1.96 1.77 1.47 1.18 None 22.60Z151-18 3.91 16.32 4.08 3.40 2.97 2.72 2.44 2.27 2.04 1.70 1.36 None 26.11Z151-20 4.35 18.43 4.61 3.84 3.35 3.07 2.75 2.56 2.30 1.92 1.54 None 29.49Z171-15 3.73 15.54 3.88 3.24 2.82 2.59 2.32 2.16 1.94 1.62 1.29 None 24.86Z171-16 3.98 17.18 4.29 3.58 3.12 2.86 2.56 2.39 2.15 1.79 1.43 None 27.48 Z141-15 3.11 10.62 2.36 1.97 1.72 1.57 1.41 1.31 1.18 0.98 0.79 None 16.99Z141-16 3.32 11.62 2.58 2.15 1.88 1.72 1.54 1.43 1.29 1.08 0.86 None 18.59Z141-18 3.73 13.41 2.98 2.48 2.17 1.99 1.78 1.66 1.49 1.24 0.99 None 21.46Z141-20 4.14 15.12 3.36 2.80 2.44 2.24 2.01 1.87 1.68 1.40 1.12 None 24.19Z151-15 3.26 11.47 2.55 2.12 1.85 1.70 1.52 1.42 1.27 1.06 0.85 None 18.35Z151-16 3.48 12.56 2.79 2.33 2.03 1.86 1.67 1.55 1.40 1.16 0.93 None 20.09Z151-18 3.91 14.51 3.22 2.69 2.34 2.15 1.92 1.79 1.61 1.34 1.07 None 23.21Z151-20 4.35 16.38 3.64 3.03 2.65 2.43 2.17 2.02 1.82 1.52 1.21 None 26.21Z171-15 3.73 13.81 3.07 2.56 2.23 2.05 1.83 1.71 1.53 1.28 1.02 None 22.10Z171-16 3.98 15.27 3.39 2.83 2.47 2.26 2.03 1.89 1.70 1.41 1.13 None 24.43Z171-18 4.48 18.18 4.04 3.37 2.94 2.69 2.41 2.24 2.02 1.68 1.35 None 29.09Z171-20 4.98 21.02 4.67 3.89 3.40 3.11 2.79 2.59 2.34 1.95 1.56 None 33.63Z171-25 6.22 27.21 6.05 5.04 4.40 4.03 3.61 3.36 3.02 2.52 2.02 None 43.53Z201-15 4.07 16.47 3.66 3.05 2.66 2.44 2.18 2.03 1.83 1.52 1.22 None 26.35Z201-16 4.35 18.24 4.05 3.38 2.95 2.70 2.42 2.25 2.03 1.69 1.35 None 29.18 Z151-15 3.26 10.32 2.06 1.72 1.50 1.38 1.23 1.15 1.03 0.86 0.69 One 16.52Z151-16 3.48 11.30 2.26 1.88 1.64 1.51 1.35 1.26 1.13 0.94 0.75 One 18.08Z151-18 3.91 13.06 2.61 2.18 1.90 1.74 1.56 1.45 1.31 1.09 0.87 One 20.89Z151-20 4.35 14.74 2.95 2.46 2.14 1.97 1.76 1.64 1.47 1.23 0.98 One 23.59Z171-15 3.73 12.43 2.49 2.07 1.81 1.66 1.48 1.38 1.24 1.04 0.83 One 19.89Z171-16 3.98 13.74 2.75 2.29 2.00 1.83 1.64 1.53 1.37 1.15 0.92 One 21.99Z171-18 4.48 16.36 3.27 2.73 2.38 2.18 1.95 1.82 1.64 1.36 1.09 One 26.18Z171-20 4.98 18.91 3.78 3.15 2.75 2.52 2.26 2.10 1.89 1.58 1.26 One 30.26Z171-25 6.22 24.49 4.90 4.08 3.56 3.26 2.92 2.72 2.45 2.04 1.63 One 39.18Z201-15 4.07 14.82 2.96 2.47 2.16 1.98 1.77 1.65 1.48 1.24 0.99 One 23.71Z201-16 4.35 16.41 3.28 2.74 2.39 2.19 1.96 1.82 1.64 1.37 1.09 One 26.26Z201-18 4.89 19.59 3.92 3.27 2.85 2.61 2.34 2.18 1.96 1.63 1.31 One 31.35Z201-20 5.43 22.70 4.54 3.78 3.30 3.03 2.71 2.52 2.27 1.89 1.51 One 36.32Z201-23 6.25 26.87 5.37 4.48 3.91 3.58 3.21 2.99 2.69 2.24 1.79 One 42.99Z201-25 6.79 29.59 5.92 4.93 4.30 3.95 3.53 3.29 2.96 2.47 1.97 One 47.34Z231-16 4.97 19.59 3.92 3.27 2.85 2.61 2.34 2.18 1.96 1.63 1.31 One 31.35
Working Loads kN/m2 for Centres mm
Deflection Ratio Span 180
18
BW Industries - Purlins
Sleeved Purlin Load Tables
6500
6000
Section kg/m UDL kN 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
5500
Z171-15 3.73 11.30 2.05 1.71 1.49 1.37 1.23 1.14 1.03 0.86 0.68 One 18.08Z171-16 3.98 12.49 2.27 1.89 1.65 1.51 1.36 1.26 1.14 0.95 0.76 One 19.99Z171-18 4.48 14.87 2.70 2.25 1.97 1.80 1.61 1.50 1.35 1.13 0.90 One 23.80Z171-20 4.98 17.20 3.13 2.61 2.27 2.08 1.87 1.74 1.56 1.30 1.04 One 27.51Z171-25 6.22 22.26 4.05 3.37 2.94 2.70 2.42 2.25 2.02 1.69 1.35 One 35.62Z201-15 4.07 13.47 2.45 2.04 1.78 1.63 1.46 1.36 1.22 1.02 0.82 One 21.56Z201-16 4.35 14.92 2.71 2.26 1.97 1.81 1.62 1.51 1.36 1.13 0.90 One 23.88Z201-18 4.89 17.81 3.24 2.70 2.36 2.16 1.93 1.80 1.62 1.35 1.08 One 28.50Z201-20 5.43 20.64 3.75 3.13 2.73 2.50 2.24 2.08 1.88 1.56 1.25 One 33.02Z201-23 6.25 24.42 4.44 3.70 3.23 2.96 2.65 2.47 2.22 1.85 1.48 One 39.08Z201-25 6.79 26.90 4.89 4.08 3.56 3.26 2.92 2.72 2.45 2.04 1.63 One 43.04Z231-16 4.97 17.81 3.24 2.70 2.36 2.16 1.93 1.80 1.62 1.35 1.08 One 28.50Z231-18 5.60 21.58 3.92 3.27 2.85 2.62 2.34 2.18 1.96 1.63 1.31 One 34.53 Z171-20 4.98 15.76 2.63 2.19 1.91 1.75 1.57 1.46 1.31 1.09 0.88 One 25.22Z171-25 6.22 20.40 3.40 2.83 2.47 2.27 2.03 1.89 1.70 1.42 1.13 One 32.65Z201-15 4.07 12.35 2.06 1.72 1.50 1.37 1.23 1.14 1.03 0.86 0.69 One 19.76Z201-16 4.35 13.68 2.28 1.90 1.66 1.52 1.36 1.27 1.14 0.95 0.76 One 21.89Z201-18 4.89 16.33 2.72 2.27 1.98 1.81 1.62 1.51 1.36 1.13 0.91 One 26.12Z201-20 5.43 18.92 3.15 2.63 2.29 2.10 1.88 1.75 1.58 1.31 1.05 One 30.27Z201-23 6.25 22.39 3.73 3.11 2.71 2.49 2.23 2.07 1.87 1.55 1.24 One 35.82Z201-25 6.79 24.66 4.11 3.42 2.99 2.74 2.45 2.28 2.05 1.71 1.37 One 39.45Z231-16 4.97 16.33 2.72 2.27 1.98 1.81 1.62 1.51 1.36 1.13 0.91 One 26.12Z231-18 5.60 19.78 3.30 2.75 2.40 2.20 1.97 1.83 1.65 1.37 1.10 One 31.65Z231-20 6.22 23.27 3.88 3.23 2.82 2.59 2.31 2.15 1.94 1.62 1.29 One 37.22Z231-23 7.15 28.25 4.71 3.92 3.42 3.14 2.81 2.62 2.35 1.96 1.57 One 45.20Z231-25 7.77 31.27 5.21 4.34 3.79 3.47 3.11 2.90 2.61 2.17 1.74 One 50.03Z261-18 6.09 22.74 3.79 3.16 2.76 2.53 2.26 2.11 1.89 1.58 1.26 One 36.38 Z171-25 6.22 18.61 2.86 2.39 2.08 1.91 1.71 1.59 1.43 1.19 0.95 One 30.14Z201-15 4.07 11.40 1.75 1.46 1.28 1.17 1.05 0.97 0.88 0.73 0.58 One 18.24Z201-16 4.35 12.63 1.94 1.62 1.41 1.30 1.16 1.08 0.97 0.81 0.65 One 20.20Z201-18 4.89 15.07 2.32 1.93 1.69 1.55 1.38 1.29 1.16 0.97 0.77 One 24.11Z201-20 5.43 17.46 2.69 2.24 1.95 1.79 1.60 1.49 1.34 1.12 0.90 One 27.94Z201-23 6.25 20.67 3.18 2.65 2.31 2.12 1.90 1.77 1.59 1.32 1.06 One 33.07Z201-25 6.79 22.76 3.50 2.92 2.55 2.33 2.09 1.95 1.75 1.46 1.17 One 36.42Z231-16 4.97 15.07 2.32 1.93 1.69 1.55 1.38 1.29 1.16 0.97 0.77 One 24.11Z231-18 5.60 18.26 2.81 2.34 2.04 1.87 1.68 1.56 1.40 1.17 0.94 One 29.21Z231-20 6.22 21.48 3.30 2.75 2.40 2.20 1.97 1.84 1.65 1.38 1.10 One 34.36Z231-23 7.15 26.07 4.01 3.34 2.92 2.67 2.39 2.23 2.01 1.67 1.34 One 41.72Z231-25 7.77 28.87 4.44 3.70 3.23 2.96 2.65 2.47 2.22 1.85 1.48 One 46.18Z261-18 6.09 20.99 3.23 2.69 2.35 2.15 1.93 1.79 1.61 1.35 1.08 One 33.58Z261-20 6.77 24.84 3.82 3.18 2.78 2.55 2.28 2.12 1.91 1.59 1.27 One 39.75Z261-23 7.78 30.47 4.69 3.91 3.41 3.13 2.80 2.60 2.34 1.95 1.56 One 48.76
Working Loads kN/m2 for Centres mm
Deflection Ratio Span 180
1�
BW Industries - Purlins
8500
8000
7500
Section kg/m UDL kN 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
7000
Z201-20 5.43 16.21 2.32 1.93 1.68 1.54 1.38 1.29 1.16 0.97 0.77 One 25.94Z201-23 6.25 19.19 2.74 2.28 1.99 1.83 1.64 1.52 1.37 1.14 0.91 One 30.70Z201-25 6.79 21.13 3.02 2.52 2.20 2.01 1.80 1.68 1.51 1.26 1.01 One 33.82Z231-16 4.97 13.99 2.00 1.67 1.45 1.33 1.19 1.11 1.00 0.83 0.67 One 22.39Z231-18 5.60 16.95 2.42 2.02 1.76 1.61 1.45 1.35 1.21 1.01 0.81 One 27.13Z231-20 6.22 19.94 2.85 2.37 2.07 1.90 1.70 1.58 1.42 1.19 0.95 One 31.91Z231-23 7.15 24.21 3.46 2.88 2.52 2.31 2.06 1.92 1.73 1.44 1.15 One 38.74Z231-25 7.77 26.80 3.83 3.19 2.78 2.55 2.29 2.13 1.91 1.60 1.28 One 42.89Z261-18 6.09 19.49 2.78 2.32 2.02 1.86 1.66 1.55 1.39 1.16 0.93 One 31.18Z261-20 6.77 23.07 3.30 2.75 2.40 2.20 1.97 1.83 1.65 1.37 1.10 One 36.91Z261-23 7.78 28.30 4.04 3.37 2.94 2.69 2.41 2.25 2.02 1.68 1.35 One 45.28Z261-25 8.46 31.45 4.49 3.74 3.27 3.00 2.68 2.50 2.25 1.87 1.50 One 50.33Z261-29 9.81 37.64 5.38 4.48 3.91 3.58 3.21 2.99 2.69 2.24 1.79 One 60.23 Z201-25 6.79 19.73 2.63 2.19 1.91 1.75 1.57 1.46 1.32 1.10 0.88 One 31.56Z231-16 4.97 13.06 1.74 1.45 1.27 1.16 1.04 0.97 0.87 0.73 0.58 One 20.90Z231-18 5.60 15.82 2.11 1.76 1.53 1.41 1.26 1.17 1.05 0.88 0.70 One 25.32Z231-20 6.22 18.61 2.48 2.07 1.80 1.65 1.48 1.38 1.24 1.03 0.83 One 29.78Z231-23 7.15 22.60 3.01 2.51 2.19 2.01 1.80 1.67 1.51 1.26 1.00 One 36.16Z231-25 7.77 25.02 3.34 2.78 2.43 2.22 1.99 1.85 1.67 1.39 1.11 One 40.03Z261-18 6.09 18.19 2.43 2.02 1.76 1.62 1.45 1.35 1.21 1.01 0.81 One 29.10Z261-20 6.77 21.53 2.87 2.39 2.09 1.91 1.71 1.59 1.44 1.20 0.96 One 34.45Z261-23 7.78 26.41 3.52 2.93 2.56 2.35 2.10 1.96 1.76 1.47 1.17 One 42.26Z261-25 8.46 29.36 3.91 3.26 2.85 2.61 2.34 2.17 1.96 1.63 1.30 One 46.97Z261-29 9.81 35.13 4.68 3.90 3.41 3.12 2.80 2.60 2.34 1.95 1.56 One 56.21Z301-20 7.71 25.74 3.43 2.86 2.50 2.29 2.05 1.91 1.72 1.43 1.14 One 41.18Z301-23 8.87 32.20 4.29 3.58 3.12 2.86 2.56 2.38 2.15 1.79 1.43 One 51.51Z301-25 9.64 36.48 4.86 4.05 3.54 3.24 2.90 2.70 2.43 2.03 1.62 One 58.36Z301-29 11.18 44.24 5.90 4.92 4.29 3.93 3.52 3.28 2.95 2.46 1.97 One 70.78 Z231-23 7.15 21.19 2.65 2.21 1.93 1.77 1.58 1.47 1.32 1.10 0.88 Two 33.90Z231-25 7.77 23.45 2.93 2.44 2.13 1.95 1.75 1.63 1.47 1.22 0.98 Two 37.52Z261-18 6.09 17.05 2.13 1.78 1.55 1.42 1.27 1.18 1.07 0.89 0.71 Two 27.29Z261-20 6.77 20.18 2.52 2.10 1.83 1.68 1.51 1.40 1.26 1.05 0.84 Two 32.29Z261-23 7.78 24.76 3.10 2.58 2.25 2.06 1.85 1.72 1.55 1.29 1.03 Two 39.62Z261-25 8.46 27.52 3.44 2.87 2.50 2.29 2.05 1.91 1.72 1.43 1.15 Two 44.04Z261-29 9.81 32.94 4.12 3.43 2.99 2.74 2.46 2.29 2.06 1.72 1.37 Two 52.70Z301-20 7.71 24.13 3.02 2.51 2.19 2.01 1.80 1.68 1.51 1.26 1.01 Two 38.61Z301-23 8.87 30.18 3.77 3.14 2.74 2.52 2.25 2.10 1.89 1.57 1.26 Two 48.29Z301-25 9.64 34.20 4.27 3.56 3.11 2.85 2.55 2.37 2.14 1.78 1.42 Two 54.72Z301-29 11.18 41.48 5.18 4.32 3.77 3.46 3.10 2.88 2.59 2.16 1.73 Two 66.36Z341-23 9.95 35.40 4.43 3.69 3.22 2.95 2.64 2.46 2.21 1.84 1.48 Two 56.65Z341-25 10.81 40.47 5.06 4.22 3.68 3.37 3.02 2.81 2.53 2.11 1.69 Two 64.74Z341-30 12.98 52.73 6.59 5.49 4.79 4.39 3.93 3.66 3.30 2.75 2.20 Two 84.36 Z231-25 7.77 22.07 2.60 2.16 1.89 1.73 1.55 1.44 1.30 1.08 0.87 Two 35.32Z261-18 6.09 16.05 1.89 1.57 1.37 1.26 1.13 1.05 0.94 0.79 0.63 Two 25.68Z261-20 6.77 19.00 2.23 1.86 1.63 1.49 1.33 1.24 1.12 0.93 0.74 Two 30.40Z261-23 7.78 23.30 2.74 2.28 1.99 1.83 1.64 1.52 1.37 1.14 0.91 Two 37.29Z261-25 8.46 25.90 3.05 2.54 2.22 2.03 1.82 1.69 1.52 1.27 1.02 Two 41.44Z261-29 9.81 31.00 3.65 3.04 2.65 2.43 2.18 2.03 1.82 1.52 1.22 Two 49.60Z301-20 7.71 22.71 2.67 2.23 1.94 1.78 1.60 1.48 1.34 1.11 0.89 Two 36.34Z301-23 8.87 28.41 3.34 2.79 2.43 2.23 2.00 1.86 1.67 1.39 1.11 Two 45.45Z301-25 9.64 32.19 3.79 3.16 2.75 2.52 2.26 2.10 1.89 1.58 1.26 Two 51.50Z301-29 11.18 39.04 4.59 3.83 3.34 3.06 2.74 2.55 2.30 1.91 1.53 Two 62.46Z341-23 9.95 33.32 3.92 3.27 2.85 2.61 2.34 2.18 1.96 1.63 1.31 Two 53.32Z341-25 10.81 38.09 4.48 3.73 3.26 2.99 2.67 2.49 2.24 1.87 1.49 Two 60.94Z341-30 12.98 49.63 5.84 4.87 4.25 3.89 3.49 3.24 2.92 2.43 1.95 Two 79.40
Working Loads kN/m2 for Centres mm
Deflection Ratio Span 180
Sleeved Purlin Load Tables
20
BW Industries - Purlins
11000
10500
10000
9500
Section kg/m UDL kN 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
9000
Z261-18 6.09 15.16 1.68 1.40 1.22 1.12 1.01 0.94 0.84 0.70 0.56 Two 24.25Z261-20 6.77 17.94 1.99 1.66 1.45 1.33 1.19 1.11 1.00 0.83 0.66 Two 28.71Z261-23 7.78 22.01 2.45 2.04 1.78 1.63 1.46 1.36 1.22 1.02 0.82 Two 35.21Z261-25 8.46 24.46 2.72 2.27 1.98 1.81 1.62 1.51 1.36 1.13 0.91 Two 39.14Z261-29 9.81 29.28 3.25 2.71 2.37 2.17 1.94 1.81 1.63 1.36 1.08 Two 46.84Z301-20 7.71 21.45 2.38 1.99 1.73 1.59 1.42 1.32 1.19 0.99 0.79 Two 34.32Z301-23 8.87 26.83 2.98 2.48 2.17 1.99 1.78 1.66 1.49 1.24 0.99 Two 42.93Z301-25 9.64 30.40 3.38 2.81 2.46 2.25 2.02 1.88 1.69 1.41 1.13 Two 48.64Z301-29 11.18 36.87 4.10 3.41 2.98 2.73 2.45 2.28 2.05 1.71 1.37 Two 58.99Z341-23 9.95 31.47 3.50 2.91 2.54 2.33 2.09 1.94 1.75 1.46 1.17 Two 50.35Z341-25 10.81 35.97 4.00 3.33 2.91 2.66 2.39 2.22 2.00 1.67 1.33 Two 57.55Z341-30 12.98 46.87 5.21 4.34 3.79 3.47 3.11 2.89 2.60 2.17 1.74 Two 74.99 Z261-20 6.77 17.00 1.79 1.49 1.30 1.19 1.07 0.99 0.89 0.75 0.60 Two 27.20Z261-23 7.78 20.85 2.19 1.83 1.60 1.46 1.31 1.22 1.10 0.91 0.73 Two 33.36Z261-25 8.46 23.18 2.44 2.03 1.77 1.63 1.46 1.36 1.22 1.02 0.81 Two 37.08Z261-29 9.81 27.74 2.92 2.43 2.12 1.95 1.74 1.62 1.46 1.22 0.97 Two 44.38Z301-20 7.71 20.32 2.14 1.78 1.56 1.43 1.28 1.19 1.07 0.89 0.71 Two 32.51Z301-23 8.87 25.42 2.68 2.23 1.95 1.78 1.60 1.49 1.34 1.11 0.89 Two 40.67Z301-25 9.64 28.80 3.03 2.53 2.20 2.02 1.81 1.68 1.52 1.26 1.01 Two 46.08Z301-29 11.18 34.93 3.68 3.06 2.67 2.45 2.19 2.04 1.84 1.53 1.23 Two 55.88Z341-23 9.95 29.81 3.14 2.62 2.28 2.09 1.87 1.74 1.57 1.31 1.05 Two 47.70Z341-25 10.81 34.08 3.59 2.99 2.61 2.39 2.14 1.99 1.79 1.49 1.20 Two 54.52Z341-30 12.98 44.40 4.67 3.89 3.40 3.12 2.79 2.60 2.34 1.95 1.56 Two 71.04 Z261-20 6.77 16.15 1.61 1.35 1.17 1.08 0.96 0.90 0.81 0.67 0.54 Two 25.84Z261-23 7.78 19.81 1.98 1.65 1.44 1.32 1.18 1.10 0.99 0.83 0.66 Two 31.69Z261-25 8.46 22.02 2.20 1.83 1.60 1.47 1.31 1.22 1.10 0.92 0.73 Two 35.23Z261-29 9.81 26.35 2.63 2.20 1.92 1.76 1.57 1.46 1.32 1.10 0.88 Two 42.16Z301-20 7.71 19.30 1.93 1.61 1.40 1.29 1.15 1.07 0.97 0.80 0.64 Two 30.88Z301-23 8.87 24.15 2.41 2.01 1.76 1.61 1.44 1.34 1.21 1.01 0.80 Two 38.64Z301-25 9.64 27.36 2.74 2.28 1.99 1.82 1.63 1.52 1.37 1.14 0.91 Two 43.77Z301-29 11.18 33.18 3.32 2.77 2.41 2.21 1.98 1.84 1.66 1.38 1.11 Two 53.09Z341-23 9.95 28.32 2.83 2.36 2.06 1.89 1.69 1.57 1.42 1.18 0.94 Two 45.32Z341-25 10.81 32.37 3.24 2.70 2.35 2.16 1.93 1.80 1.62 1.35 1.08 Two 51.80Z341-30 12.98 42.18 4.22 3.52 3.07 2.81 2.52 2.34 2.11 1.76 1.41 Two 67.49 Z261-23 7.78 18.86 1.80 1.50 1.31 1.20 1.07 1.00 0.90 0.75 0.60 Two 30.18Z261-25 8.46 20.97 2.00 1.66 1.45 1.33 1.19 1.11 1.00 0.83 0.67 Two 33.55Z261-29 9.81 24.70 2.35 1.96 1.71 1.57 1.40 1.31 1.18 0.98 0.78 Two 40.15Z301-20 7.71 18.38 1.75 1.46 1.27 1.17 1.05 0.97 0.88 0.73 0.58 Two 29.41Z301-23 8.87 23.00 2.19 1.83 1.59 1.46 1.31 1.22 1.10 0.91 0.73 Two 36.80Z301-25 9.64 26.06 2.48 2.07 1.80 1.65 1.48 1.38 1.24 1.03 0.83 Two 41.69Z301-29 11.18 31.60 3.01 2.51 2.19 2.01 1.80 1.67 1.50 1.25 1.00 Two 50.56Z341-23 9.95 26.98 2.57 2.14 1.87 1.71 1.53 1.43 1.28 1.07 0.86 Two 43.16Z341-25 10.81 30.83 2.94 2.45 2.14 1.96 1.75 1.63 1.47 1.22 0.98 Two 49.33Z341-30 12.98 40.17 3.83 3.19 2.78 2.55 2.28 2.13 1.91 1.59 1.28 Two 64.28 Z261-25 8.46 19.55 1.78 1.48 1.29 1.19 1.06 0.99 0.89 0.74 0.59 Two 32.03Z261-29 9.81 22.51 2.05 1.71 1.49 1.36 1.22 1.14 1.02 0.85 0.68 Two 38.33Z301-20 7.71 17.55 1.60 1.33 1.16 1.06 0.95 0.89 0.80 0.66 0.53 Two 28.08Z301-23 8.87 21.95 2.00 1.66 1.45 1.33 1.19 1.11 1.00 0.83 0.67 Two 35.12Z301-25 9.64 24.87 2.26 1.88 1.64 1.51 1.35 1.26 1.13 0.94 0.75 Two 39.79Z301-29 11.18 30.16 2.74 2.29 1.99 1.83 1.64 1.52 1.37 1.14 0.91 Two 48.26Z341-23 9.95 25.75 2.34 1.95 1.70 1.56 1.40 1.30 1.17 0.98 0.78 Two 41.20Z341-25 10.81 29.43 2.68 2.23 1.95 1.78 1.60 1.49 1.34 1.11 0.89 Two 47.09Z341-30 12.98 38.35 3.49 2.91 2.54 2.32 2.08 1.94 1.74 1.45 1.16 Two 61.35
Working Loads kN/m2 for Centres mm
Deflection Ratio Span 180
Sleeved Purlin Load Tables
21
BW Industries - Purlins
Butted Purlin Load Tables
5000
4500
4000
Section kg/m UDL kN 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
3500
Z141-15 3.11 9.10 2.60 2.17 1.89 1.73 1.55 1.44 1.30 1.08 0.87 None 14.56Z141-16 3.32 9.96 2.85 2.37 2.07 1.90 1.70 1.58 1.42 1.19 0.95 None 15.93Z141-18 3.73 11.16 3.19 2.66 2.32 2.13 1.90 1.77 1.59 1.33 1.06 None 18.39Z141-20 4.14 12.32 3.52 2.93 2.56 2.35 2.10 1.96 1.76 1.47 1.17 None 20.73Z151-15 3.26 9.83 2.81 2.34 2.04 1.87 1.68 1.56 1.40 1.17 0.94 None 15.73Z151-16 3.48 10.76 3.08 2.56 2.24 2.05 1.84 1.71 1.54 1.28 1.03 None 17.22Z151-18 3.91 12.43 3.55 2.96 2.58 2.37 2.12 1.97 1.78 1.48 1.18 None 19.90Z151-20 4.35 14.04 4.01 3.34 2.92 2.67 2.40 2.23 2.01 1.67 1.34 None 22.47 Z141-15 3.11 7.18 1.80 1.50 1.31 1.20 1.07 1.00 0.90 0.75 0.60 None 12.74Z141-16 3.32 7.64 1.91 1.59 1.39 1.27 1.14 1.06 0.95 0.80 0.64 None 13.94Z141-18 3.73 8.54 2.14 1.78 1.55 1.42 1.27 1.19 1.07 0.89 0.71 None 16.09Z141-20 4.14 9.43 2.36 1.97 1.72 1.57 1.41 1.31 1.18 0.98 0.79 None 18.14Z151-15 3.26 8.42 2.10 1.75 1.53 1.40 1.26 1.17 1.05 0.88 0.70 None 13.77Z151-16 3.48 8.95 2.24 1.87 1.63 1.49 1.34 1.24 1.12 0.93 0.75 None 15.07Z151-18 3.91 10.01 2.50 2.09 1.82 1.67 1.49 1.39 1.25 1.04 0.83 None 17.41Z151-20 4.35 11.06 2.77 2.30 2.01 1.84 1.65 1.54 1.38 1.15 0.92 None 19.66Z171-15 3.73 10.36 2.59 2.16 1.88 1.73 1.55 1.44 1.29 1.08 0.86 None 16.57Z171-16 3.98 11.45 2.86 2.39 2.08 1.91 1.71 1.59 1.43 1.19 0.95 None 18.32 Z141-15 3.11 5.68 1.26 1.05 0.92 0.84 0.75 0.70 0.63 0.53 0.42 None 11.33Z141-16 3.32 6.04 1.34 1.12 0.98 0.89 0.80 0.75 0.67 0.56 0.45 None 12.39Z141-18 3.73 6.75 1.50 1.25 1.09 1.00 0.90 0.83 0.75 0.62 0.50 None 14.30Z141-20 4.14 7.45 1.66 1.38 1.20 1.10 0.99 0.92 0.83 0.69 0.55 None 16.13Z151-15 3.26 6.65 1.48 1.23 1.08 0.99 0.88 0.82 0.74 0.62 0.49 None 12.24Z151-16 3.48 7.08 1.57 1.31 1.14 1.05 0.94 0.87 0.79 0.66 0.52 None 13.39Z151-18 3.91 7.91 1.76 1.47 1.28 1.17 1.05 0.98 0.88 0.73 0.59 None 15.47Z151-20 4.35 8.74 1.94 1.62 1.41 1.29 1.16 1.08 0.97 0.81 0.65 None 17.47Z171-15 3.73 9.21 2.05 1.71 1.49 1.36 1.22 1.14 1.02 0.85 0.68 None 14.73Z171-16 3.98 10.18 2.26 1.89 1.65 1.51 1.35 1.26 1.13 0.94 0.75 None 16.29Z171-18 4.48 11.82 2.63 2.19 1.91 1.75 1.57 1.46 1.31 1.09 0.88 None 19.39Z171-20 4.98 13.06 2.90 2.42 2.11 1.94 1.73 1.61 1.45 1.21 0.97 None 22.42Z171-25 6.22 16.12 3.58 2.99 2.61 2.39 2.14 1.99 1.79 1.49 1.19 None 29.02Z201-15 4.07 10.98 2.44 2.03 1.77 1.63 1.46 1.36 1.22 1.02 0.81 None 17.57Z201-16 4.35 12.16 2.70 2.25 1.97 1.80 1.61 1.50 1.35 1.13 0.90 None 19.45 Z151-15 3.26 5.39 1.08 0.90 0.78 0.72 0.64 0.60 0.54 0.45 0.36 One 11.01Z151-16 3.48 5.73 1.15 0.96 0.83 0.76 0.68 0.64 0.57 0.48 0.38 One 12.05Z151-18 3.91 6.41 1.28 1.07 0.93 0.85 0.77 0.71 0.64 0.53 0.43 One 13.93Z151-20 4.35 7.08 1.42 1.18 1.03 0.94 0.85 0.79 0.71 0.59 0.47 One 15.73Z171-15 3.73 8.04 1.61 1.34 1.17 1.07 0.96 0.89 0.80 0.67 0.54 One 13.26Z171-16 3.98 8.55 1.71 1.43 1.24 1.14 1.02 0.95 0.86 0.71 0.57 One 14.66Z171-18 4.48 9.57 1.91 1.60 1.39 1.28 1.14 1.06 0.96 0.80 0.64 One 17.45Z171-20 4.98 10.58 2.12 1.76 1.54 1.41 1.26 1.18 1.06 0.88 0.71 One 20.18Z171-25 6.22 13.06 2.61 2.18 1.90 1.74 1.56 1.45 1.31 1.09 0.87 One 26.12Z201-15 4.07 9.88 1.98 1.65 1.44 1.32 1.18 1.10 0.99 0.82 0.66 One 15.81Z201-16 4.35 10.94 2.19 1.82 1.59 1.46 1.31 1.22 1.09 0.91 0.73 One 17.51Z201-18 4.89 13.06 2.61 2.18 1.90 1.74 1.56 1.45 1.31 1.09 0.87 One 20.90Z201-20 5.43 15.13 3.03 2.52 2.20 2.02 1.81 1.68 1.51 1.26 1.01 One 24.21Z201-23 6.25 17.59 3.52 2.93 2.56 2.35 2.10 1.95 1.76 1.47 1.17 One 28.66Z201-25 6.79 19.03 3.81 3.17 2.77 2.54 2.27 2.11 1.90 1.59 1.27 One 31.56Z231-16 4.97 13.06 2.61 2.18 1.90 1.74 1.56 1.45 1.31 1.09 0.87 One 20.90
Working Loads kN/m2 for Centres mm
Deflection Ratio Span 180
22
BW Industries - Purlins
Butted Purlin Load Tables
6500
6000
Section kg/m UDL kN 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
5500
Z171-15 3.73 6.64 1.21 1.01 0.88 0.81 0.72 0.67 0.60 0.50 0.40 One 12.05Z171-16 3.98 7.07 1.29 1.07 0.93 0.86 0.77 0.71 0.64 0.54 0.43 One 13.33Z171-18 4.48 7.91 1.44 1.20 1.05 0.96 0.86 0.80 0.72 0.60 0.48 One 15.87Z171-20 4.98 8.75 1.59 1.33 1.16 1.06 0.95 0.88 0.80 0.66 0.53 One 18.34Z171-25 6.22 10.79 1.96 1.64 1.43 1.31 1.17 1.09 0.98 0.82 0.65 One 23.74Z201-15 4.07 8.98 1.63 1.36 1.19 1.09 0.98 0.91 0.82 0.68 0.54 One 14.37Z201-16 4.35 9.95 1.81 1.51 1.32 1.21 1.08 1.00 0.90 0.75 0.60 One 15.92Z201-18 4.89 11.52 2.09 1.74 1.52 1.40 1.25 1.16 1.05 0.87 0.70 One 19.00Z201-20 5.43 12.73 2.32 1.93 1.68 1.54 1.38 1.29 1.16 0.96 0.77 One 22.01Z201-23 6.25 14.54 2.64 2.20 1.92 1.76 1.58 1.47 1.32 1.10 0.88 One 26.05Z201-25 6.79 15.73 2.86 2.38 2.08 1.91 1.71 1.59 1.43 1.19 0.95 One 28.69Z231-16 4.97 11.87 2.16 1.80 1.57 1.44 1.29 1.20 1.08 0.90 0.72 One 19.00Z231-18 5.60 14.39 2.62 2.18 1.90 1.74 1.56 1.45 1.31 1.09 0.87 One 23.02 Z171-20 4.98 7.35 1.22 1.02 0.89 0.82 0.73 0.68 0.61 0.51 0.41 One 16.81Z171-25 6.22 9.07 1.51 1.26 1.10 1.01 0.90 0.84 0.76 0.63 0.50 One 21.77Z201-15 4.07 8.12 1.35 1.13 0.98 0.90 0.81 0.75 0.68 0.56 0.45 One 13.17Z201-16 4.35 8.64 1.44 1.20 1.05 0.96 0.86 0.80 0.72 0.60 0.48 One 14.59Z201-18 4.89 9.68 1.61 1.34 1.17 1.08 0.96 0.90 0.81 0.67 0.54 One 17.42Z201-20 5.43 10.70 1.78 1.49 1.30 1.19 1.06 0.99 0.89 0.74 0.59 One 20.18Z201-23 6.25 12.22 2.04 1.70 1.48 1.36 1.22 1.13 1.02 0.85 0.68 One 23.88Z201-25 6.79 13.22 2.20 1.84 1.60 1.47 1.32 1.22 1.10 0.92 0.73 One 26.30Z231-16 4.97 10.88 1.81 1.51 1.32 1.21 1.08 1.01 0.91 0.76 0.60 One 17.42Z231-18 5.60 13.19 2.20 1.83 1.60 1.47 1.31 1.22 1.10 0.92 0.73 One 21.10Z231-20 6.22 15.51 2.59 2.15 1.88 1.72 1.54 1.44 1.29 1.08 0.86 One 24.82Z231-23 7.15 18.42 3.07 2.56 2.23 2.05 1.83 1.71 1.54 1.28 1.02 One 30.13Z231-25 7.77 19.94 3.32 2.77 2.42 2.22 1.98 1.85 1.66 1.38 1.11 One 33.36Z261-18 6.09 15.16 2.53 2.11 1.84 1.68 1.51 1.40 1.26 1.05 0.84 One 24.25 Z171-25 6.22 7.73 1.19 0.99 0.86 0.79 0.71 0.66 0.59 0.50 0.40 One 20.09Z201-15 4.07 6.92 1.06 0.89 0.77 0.71 0.64 0.59 0.53 0.44 0.35 One 12.16Z201-16 4.35 7.36 1.13 0.94 0.82 0.76 0.68 0.63 0.57 0.47 0.38 One 13.47Z201-18 4.89 8.24 1.27 1.06 0.92 0.85 0.76 0.70 0.63 0.53 0.42 One 16.08Z201-20 5.43 9.12 1.40 1.17 1.02 0.94 0.84 0.78 0.70 0.58 0.47 One 18.62Z201-23 6.25 10.41 1.60 1.33 1.16 1.07 0.96 0.89 0.80 0.67 0.53 One 22.04Z201-25 6.79 11.26 1.73 1.44 1.26 1.16 1.03 0.96 0.87 0.72 0.58 One 24.28Z231-16 4.97 10.05 1.55 1.29 1.12 1.03 0.92 0.86 0.77 0.64 0.52 One 16.08Z231-18 5.60 12.17 1.87 1.56 1.36 1.25 1.12 1.04 0.94 0.78 0.62 One 19.48Z231-20 6.22 13.74 2.11 1.76 1.54 1.41 1.26 1.17 1.06 0.88 0.70 One 22.91Z231-23 7.15 15.70 2.41 2.01 1.76 1.61 1.44 1.34 1.21 1.01 0.80 One 27.81Z231-25 7.77 16.99 2.61 2.18 1.90 1.74 1.56 1.45 1.31 1.09 0.87 One 30.79Z261-18 6.09 13.99 2.15 1.79 1.57 1.44 1.29 1.20 1.08 0.90 0.72 One 22.39Z261-20 6.77 16.56 2.55 2.12 1.85 1.70 1.52 1.42 1.27 1.06 0.85 One 26.50Z261-23 7.78 20.32 3.13 2.60 2.27 2.08 1.87 1.74 1.56 1.30 1.04 One 32.51
Working Loads kN/m2 for Centres mm
Deflection Ratio Span 180
23
BW Industries - Purlins
8500
8000
7500
Section kg/m UDL kN 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
7000
Z201-20 5.43 7.86 1.12 0.94 0.82 0.75 0.67 0.62 0.56 0.47 0.37 One 17.29Z201-23 6.25 8.98 1.28 1.07 0.93 0.85 0.77 0.71 0.64 0.53 0.43 One 20.47Z201-25 6.79 9.71 1.39 1.16 1.01 0.92 0.83 0.77 0.69 0.58 0.46 One 22.54Z231-16 4.97 9.33 1.33 1.11 0.97 0.89 0.80 0.74 0.67 0.56 0.44 One 14.93Z231-18 5.60 10.70 1.53 1.27 1.11 1.02 0.91 0.85 0.76 0.64 0.51 One 18.08Z231-20 6.22 11.84 1.69 1.41 1.23 1.13 1.01 0.94 0.85 0.70 0.56 One 21.27Z231-23 7.15 13.53 1.93 1.61 1.41 1.29 1.15 1.07 0.97 0.81 0.64 One 25.83Z231-25 7.77 14.65 2.09 1.74 1.52 1.40 1.25 1.16 1.05 0.87 0.70 One 28.59Z261-18 6.09 12.99 1.86 1.55 1.35 1.24 1.11 1.03 0.93 0.77 0.62 One 20.79Z261-20 6.77 15.38 2.20 1.83 1.60 1.46 1.31 1.22 1.10 0.92 0.73 One 24.61Z261-23 7.78 18.51 2.64 2.20 1.92 1.76 1.58 1.47 1.32 1.10 0.88 One 30.18Z261-25 8.46 20.05 2.86 2.39 2.08 1.91 1.71 1.59 1.43 1.19 0.95 One 33.55Z261-29 9.81 23.07 3.30 2.75 2.40 2.20 1.97 1.83 1.65 1.37 1.10 One 40.15 Z201-25 6.79 8.46 1.13 0.94 0.82 0.75 0.67 0.63 0.56 0.47 0.38 One 21.04Z231-16 4.97 8.32 1.11 0.92 0.81 0.74 0.66 0.62 0.55 0.46 0.37 One 13.93Z231-18 5.60 9.32 1.24 1.04 0.90 0.83 0.74 0.69 0.62 0.52 0.41 One 16.88Z231-20 6.22 10.32 1.38 1.15 1.00 0.92 0.82 0.76 0.69 0.57 0.46 One 19.85Z231-23 7.15 11.79 1.57 1.31 1.14 1.05 0.94 0.87 0.79 0.66 0.52 One 24.10Z231-25 7.77 12.76 1.70 1.42 1.24 1.13 1.02 0.95 0.85 0.71 0.57 One 26.68Z261-18 6.09 12.13 1.62 1.35 1.18 1.08 0.97 0.90 0.81 0.67 0.54 One 19.40Z261-20 6.77 14.10 1.88 1.57 1.37 1.25 1.12 1.04 0.94 0.78 0.63 One 22.97Z261-23 7.78 16.13 2.15 1.79 1.56 1.43 1.28 1.19 1.08 0.90 0.72 One 28.17Z261-25 8.46 17.46 2.33 1.94 1.69 1.55 1.39 1.29 1.16 0.97 0.78 One 31.31Z261-29 9.81 20.10 2.68 2.23 1.95 1.79 1.60 1.49 1.34 1.12 0.89 One 37.47Z301-20 7.71 17.16 2.29 1.91 1.66 1.53 1.37 1.27 1.14 0.95 0.76 One 27.45Z301-23 8.87 21.46 2.86 2.38 2.08 1.91 1.71 1.59 1.43 1.19 0.95 One 34.34Z301-25 9.64 24.32 3.24 2.70 2.36 2.16 1.94 1.80 1.62 1.35 1.08 One 38.91Z301-29 11.18 29.49 3.93 3.28 2.86 2.62 2.35 2.18 1.97 1.64 1.31 One 47.19 Z231-23 7.15 10.36 1.30 1.08 0.94 0.86 0.77 0.72 0.65 0.54 0.43 Two 22.60Z231-25 7.77 11.22 1.40 1.17 1.02 0.93 0.84 0.78 0.70 0.58 0.47 Two 25.02Z261-18 6.09 11.20 1.40 1.17 1.02 0.93 0.84 0.78 0.70 0.58 0.47 Two 18.19Z261-20 6.77 12.40 1.55 1.29 1.13 1.03 0.93 0.86 0.77 0.65 0.52 Two 21.53Z261-23 7.78 14.17 1.77 1.48 1.29 1.18 1.06 0.98 0.89 0.74 0.59 Two 26.41Z261-25 8.46 15.35 1.92 1.60 1.40 1.28 1.15 1.07 0.96 0.80 0.64 Two 29.36Z261-29 9.81 17.67 2.21 1.84 1.61 1.47 1.32 1.23 1.10 0.92 0.74 Two 35.13Z301-20 7.71 16.09 2.01 1.68 1.46 1.34 1.20 1.12 1.01 0.84 0.67 Two 25.74Z301-23 8.87 20.12 2.52 2.10 1.83 1.68 1.50 1.40 1.26 1.05 0.84 Two 32.20Z301-25 9.64 22.80 2.85 2.37 2.07 1.90 1.70 1.58 1.42 1.19 0.95 Two 36.48Z301-29 11.18 26.54 3.32 2.76 2.41 2.21 1.98 1.84 1.66 1.38 1.11 Two 44.24Z341-23 9.95 23.60 2.95 2.46 2.15 1.97 1.76 1.64 1.48 1.23 0.98 Two 37.77Z341-25 10.81 26.98 3.37 2.81 2.45 2.25 2.01 1.87 1.69 1.41 1.12 Two 43.16Z341-30 12.98 35.15 4.39 3.66 3.20 2.93 2.62 2.44 2.20 1.83 1.46 Two 56.24 Z231-25 7.77 9.94 1.17 0.97 0.85 0.78 0.70 0.65 0.58 0.49 0.39 Two 23.54Z261-18 6.09 9.92 1.17 0.97 0.85 0.78 0.70 0.65 0.58 0.49 0.39 Two 17.12Z261-20 6.77 10.98 1.29 1.08 0.94 0.86 0.77 0.72 0.65 0.54 0.43 Two 20.26Z261-23 7.78 12.56 1.48 1.23 1.07 0.98 0.88 0.82 0.74 0.62 0.49 Two 24.86Z261-25 8.46 13.59 1.60 1.33 1.16 1.07 0.95 0.89 0.80 0.67 0.53 Two 27.63Z261-29 9.81 15.65 1.84 1.53 1.34 1.23 1.10 1.02 0.92 0.77 0.61 Two 33.07Z301-20 7.71 15.14 1.78 1.48 1.30 1.19 1.06 0.99 0.89 0.74 0.59 Two 24.22Z301-23 8.87 18.84 2.22 1.85 1.61 1.48 1.32 1.23 1.11 0.92 0.74 Two 30.30Z301-25 9.64 20.41 2.40 2.00 1.75 1.60 1.43 1.33 1.20 1.00 0.80 Two 34.33Z301-29 11.18 23.51 2.77 2.31 2.01 1.84 1.65 1.54 1.38 1.15 0.92 Two 41.64Z341-23 9.95 22.21 2.61 2.18 1.90 1.74 1.56 1.45 1.31 1.09 0.87 Two 35.54Z341-25 10.81 25.39 2.99 2.49 2.17 1.99 1.78 1.66 1.49 1.24 1.00 Two 40.62Z341-30 12.98 33.08 3.89 3.24 2.83 2.59 2.32 2.16 1.95 1.62 1.30 Two 52.93
Working Loads kN/m2 for Centres mm
Deflection Ratio Span 180
Butted Purlin Load Tables
24
BW Industries - Purlins
11000
10500
10000
9500
Section kg/m UDL kN 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
9000
Z261-18 6.09 8.85 0.98 0.82 0.72 0.66 0.59 0.55 0.49 0.41 0.33 Two 16.17Z261-20 6.77 9.79 1.09 0.91 0.79 0.73 0.65 0.60 0.54 0.45 0.36 Two 19.14Z261-23 7.78 11.20 1.24 1.04 0.90 0.83 0.74 0.69 0.62 0.52 0.41 Two 23.48Z261-25 8.46 12.13 1.35 1.12 0.98 0.90 0.80 0.75 0.67 0.56 0.45 Two 26.09Z261-29 9.81 13.96 1.55 1.29 1.13 1.03 0.93 0.86 0.78 0.65 0.52 Two 31.23Z301-20 7.71 14.30 1.59 1.32 1.16 1.06 0.95 0.88 0.79 0.66 0.53 Two 22.88Z301-23 8.87 16.80 1.87 1.56 1.36 1.24 1.11 1.04 0.93 0.78 0.62 Two 28.62Z301-25 9.64 18.20 2.02 1.69 1.47 1.35 1.21 1.12 1.01 0.84 0.67 Two 32.42Z301-29 11.18 20.97 2.33 1.94 1.69 1.55 1.39 1.29 1.17 0.97 0.78 Two 39.32Z341-23 9.95 20.98 2.33 1.94 1.70 1.55 1.39 1.30 1.17 0.97 0.78 Two 33.57Z341-25 10.81 23.98 2.66 2.22 1.94 1.78 1.59 1.48 1.33 1.11 0.89 Two 38.37Z341-30 12.98 30.98 3.44 2.87 2.50 2.29 2.06 1.91 1.72 1.43 1.15 Two 49.99 Z261-20 6.77 8.79 0.93 0.77 0.67 0.62 0.55 0.51 0.46 0.39 0.31 Two 18.13Z261-23 7.78 10.05 1.06 0.88 0.77 0.71 0.63 0.59 0.53 0.44 0.35 Two 22.24Z261-25 8.46 10.88 1.15 0.95 0.83 0.76 0.68 0.64 0.57 0.48 0.38 Two 24.72Z261-29 9.81 12.53 1.32 1.10 0.96 0.88 0.79 0.73 0.66 0.55 0.44 Two 29.59Z301-20 7.71 13.18 1.39 1.16 1.01 0.92 0.83 0.77 0.69 0.58 0.46 Two 21.67Z301-23 8.87 15.08 1.59 1.32 1.15 1.06 0.95 0.88 0.79 0.66 0.53 Two 27.11Z301-25 9.64 16.34 1.72 1.43 1.25 1.15 1.03 0.96 0.86 0.72 0.57 Two 30.72Z301-29 11.18 18.82 1.98 1.65 1.44 1.32 1.18 1.10 0.99 0.83 0.66 Two 37.26Z341-23 9.95 19.88 2.09 1.74 1.52 1.39 1.25 1.16 1.05 0.87 0.70 Two 31.80Z341-25 10.81 22.72 2.39 1.99 1.74 1.59 1.43 1.33 1.20 1.00 0.80 Two 36.35Z341-30 12.98 27.81 2.93 2.44 2.13 1.95 1.75 1.63 1.46 1.22 0.98 Two 47.36 Z261-20 6.77 7.93 0.79 0.66 0.58 0.53 0.47 0.44 0.40 0.33 0.26 Two 17.22Z261-23 7.78 9.07 0.91 0.76 0.66 0.60 0.54 0.50 0.45 0.38 0.30 Two 21.13Z261-25 8.46 9.82 0.98 0.82 0.71 0.65 0.59 0.55 0.49 0.41 0.33 Two 23.49Z261-29 9.81 11.31 1.13 0.94 0.82 0.75 0.68 0.63 0.57 0.47 0.38 Two 28.11Z301-20 7.71 11.90 1.19 0.99 0.87 0.79 0.71 0.66 0.59 0.50 0.40 Two 20.59Z301-23 8.87 13.61 1.36 1.13 0.99 0.91 0.81 0.76 0.68 0.57 0.45 Two 25.76Z301-25 9.64 14.74 1.47 1.23 1.07 0.98 0.88 0.82 0.74 0.61 0.49 Two 29.18Z301-29 11.18 16.99 1.70 1.42 1.24 1.13 1.01 0.94 0.85 0.71 0.57 Two 35.39Z341-23 9.95 18.88 1.89 1.57 1.37 1.26 1.13 1.05 0.94 0.79 0.63 Two 30.21Z341-25 10.81 21.07 2.11 1.76 1.53 1.40 1.26 1.17 1.05 0.88 0.70 Two 34.53Z341-30 12.98 25.09 2.51 2.09 1.83 1.67 1.50 1.39 1.25 1.05 0.84 Two 44.99 Z261-23 7.78 8.23 0.78 0.65 0.57 0.52 0.47 0.44 0.39 0.33 0.26 Two 20.12Z261-25 8.46 8.91 0.85 0.71 0.62 0.57 0.51 0.47 0.42 0.35 0.28 Two 22.37Z261-29 9.81 10.26 0.98 0.81 0.71 0.65 0.58 0.54 0.49 0.41 0.33 Two 26.77Z301-20 7.71 10.79 1.03 0.86 0.75 0.69 0.61 0.57 0.51 0.43 0.34 Two 19.61Z301-23 8.87 12.35 1.18 0.98 0.86 0.78 0.70 0.65 0.59 0.49 0.39 Two 24.53Z301-25 9.64 13.37 1.27 1.06 0.93 0.85 0.76 0.71 0.64 0.53 0.42 Two 27.79Z301-29 11.18 15.41 1.47 1.22 1.07 0.98 0.88 0.82 0.73 0.61 0.49 Two 33.71Z341-23 9.95 17.64 1.68 1.40 1.22 1.12 1.00 0.93 0.84 0.70 0.56 Two 28.77Z341-25 10.81 19.11 1.82 1.52 1.32 1.21 1.09 1.01 0.91 0.76 0.61 Two 32.89Z341-30 12.98 22.76 2.17 1.81 1.58 1.45 1.29 1.20 1.08 0.90 0.72 Two 42.85 Z261-25 8.46 8.12 0.74 0.61 0.54 0.49 0.44 0.41 0.37 0.31 0.25 Two 21.35Z261-29 9.81 9.34 0.85 0.71 0.62 0.57 0.51 0.47 0.42 0.35 0.28 Two 25.55Z301-20 7.71 9.83 0.89 0.74 0.65 0.60 0.53 0.50 0.45 0.37 0.30 Two 18.72Z301-23 8.87 11.25 1.02 0.85 0.74 0.68 0.61 0.57 0.51 0.43 0.34 Two 23.42Z301-25 9.64 12.19 1.11 0.92 0.81 0.74 0.66 0.62 0.55 0.46 0.37 Two 26.53Z301-29 11.18 14.04 1.28 1.06 0.93 0.85 0.76 0.71 0.64 0.53 0.43 Two 32.17Z341-23 9.95 16.07 1.46 1.22 1.06 0.97 0.87 0.81 0.73 0.61 0.49 Two 27.47Z341-25 10.81 17.42 1.58 1.32 1.15 1.06 0.95 0.88 0.79 0.66 0.53 Two 31.39Z341-30 12.98 20.74 1.89 1.57 1.37 1.26 1.13 1.05 0.94 0.79 0.63 Two 40.90
Working Loads kN/m2 for Centres mm
Butted Purlin Load Tables
Deflection Ratio Span 180
25
BW Industries - Purlins
Sleeved Side Rail Load Tables
4500
4000
3500
Section kg/m UDL kN 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
Working Loads kN/m2 for Centres mm
C 141-15 3.39 16.18 4.62 3.85 3.36 3.08 2.76 2.57 2.31 1.93 1.54 None 22.65C 141-16 3.62 17.77 5.08 4.23 3.69 3.38 3.03 2.82 2.54 2.12 1.69 None 24.87C 141-18 4.07 20.87 5.96 4.97 4.34 3.98 3.56 3.31 2.98 2.48 1.99 None 29.22C 141-20 4.52 23.83 6.81 5.67 4.95 4.54 4.07 3.78 3.40 2.84 2.27 None 33.37C 151-15 3.51 17.48 4.99 4.16 3.63 3.33 2.98 2.77 2.50 2.08 1.66 None 24.47C 151-16 3.74 19.20 5.49 4.57 3.99 3.66 3.28 3.05 2.74 2.29 1.83 None 26.88C 151-18 4.21 22.57 6.45 5.37 4.69 4.30 3.85 3.58 3.22 2.69 2.15 None 31.60C 151-20 4.68 25.80 7.37 6.14 5.36 4.91 4.40 4.09 3.69 3.07 2.46 None 36.12Z 141-15 3.11 15.60 4.46 3.71 3.24 2.97 2.66 2.48 2.23 1.86 1.49 None 21.84Z 141-16 3.32 17.07 4.88 4.06 3.55 3.25 2.91 2.71 2.44 2.03 1.63 None 23.90Z 141-18 3.73 19.71 5.63 4.69 4.09 3.75 3.36 3.13 2.82 2.35 1.88 None 27.59Z 141-20 4.14 22.21 6.35 5.29 4.62 4.23 3.79 3.53 3.17 2.64 2.12 None 31.10Z 151-15 3.26 16.86 4.82 4.01 3.50 3.21 2.88 2.68 2.41 2.01 1.61 None 23.60Z 151-16 3.48 18.45 5.27 4.39 3.83 3.51 3.15 2.93 2.64 2.20 1.76 None 25.83Z 151-18 3.91 21.32 6.09 5.08 4.43 4.06 3.64 3.38 3.05 2.54 2.03 None 29.84Z 151-20 4.35 24.07 6.88 5.73 5.00 4.58 4.11 3.82 3.44 2.87 2.29 None 33.70 C 141-15 3.39 14.15 3.54 2.95 2.57 2.36 2.11 1.97 1.77 1.47 1.18 None 19.82C 141-16 3.62 15.55 3.89 3.24 2.83 2.59 2.32 2.16 1.94 1.62 1.30 None 21.76C 141-18 4.07 18.26 4.57 3.80 3.32 3.04 2.73 2.54 2.28 1.90 1.52 None 25.57C 141-20 4.52 20.85 5.21 4.34 3.79 3.48 3.11 2.90 2.61 2.17 1.74 None 29.20C 151-15 3.51 15.29 3.82 3.19 2.78 2.55 2.28 2.12 1.91 1.59 1.27 None 21.41C 151-16 3.74 16.80 4.20 3.50 3.05 2.80 2.51 2.33 2.10 1.75 1.40 None 23.52C 151-18 4.21 19.75 4.94 4.11 3.59 3.29 2.95 2.74 2.47 2.06 1.65 None 27.65C 151-20 4.68 22.57 5.64 4.70 4.10 3.76 3.37 3.14 2.82 2.35 1.88 None 31.60C 171-15 3.98 18.16 4.54 3.78 3.30 3.03 2.71 2.52 2.27 1.89 1.51 None 25.42C 171-16 4.25 20.10 5.03 4.19 3.66 3.35 3.00 2.79 2.51 2.09 1.68 None 28.14Z 141-15 3.11 13.65 3.41 2.84 2.48 2.28 2.04 1.90 1.71 1.42 1.14 None 19.11Z 141-16 3.32 14.94 3.73 3.11 2.72 2.49 2.23 2.07 1.87 1.56 1.24 None 20.91Z 141-18 3.73 17.24 4.31 3.59 3.13 2.87 2.57 2.39 2.16 1.80 1.44 None 24.14Z 141-20 4.14 19.44 4.86 4.05 3.53 3.24 2.90 2.70 2.43 2.02 1.62 None 27.21Z 151-15 3.26 14.75 3.69 3.07 2.68 2.46 2.20 2.05 1.84 1.54 1.23 None 20.65Z 151-16 3.48 16.14 4.04 3.36 2.94 2.69 2.41 2.24 2.02 1.68 1.35 None 22.60Z 151-18 3.91 18.65 4.66 3.89 3.39 3.11 2.78 2.59 2.33 1.94 1.55 None 26.11Z 151-20 4.35 21.06 5.27 4.39 3.83 3.51 3.14 2.93 2.63 2.19 1.76 None 29.49Z 171-15 3.73 17.76 4.44 3.70 3.23 2.96 2.65 2.47 2.22 1.85 1.48 None 24.86Z 171-16 3.98 19.63 4.91 4.09 3.57 3.27 2.93 2.73 2.45 2.04 1.64 None 27.48 C 151-15 3.51 13.59 3.02 2.52 2.20 2.01 1.80 1.68 1.51 1.26 1.01 None 19.03C 151-16 3.74 14.94 3.32 2.77 2.41 2.21 1.98 1.84 1.66 1.38 1.11 None 20.91C 151-18 4.21 17.56 3.90 3.25 2.84 2.60 2.33 2.17 1.95 1.63 1.30 None 24.58C 151-20 4.68 20.07 4.46 3.72 3.24 2.97 2.66 2.48 2.23 1.86 1.49 None 28.09C 171-15 3.98 16.14 3.59 2.99 2.61 2.39 2.14 1.99 1.79 1.49 1.20 None 22.59C 171-16 4.25 17.87 3.97 3.31 2.89 2.65 2.37 2.21 1.99 1.65 1.32 None 25.02C 171-18 4.78 21.36 4.75 3.95 3.45 3.16 2.83 2.64 2.37 1.98 1.58 None 29.90C 171-20 5.31 24.79 5.51 4.59 4.01 3.67 3.29 3.06 2.75 2.30 1.84 None 34.70C 171-25 6.63 32.83 7.29 6.08 5.31 4.86 4.36 4.05 3.65 3.04 2.43 None 45.96C 201-15 4.33 19.25 4.28 3.56 3.11 2.85 2.55 2.38 2.14 1.78 1.43 None 26.95C 201-16 4.62 21.35 4.74 3.95 3.45 3.16 2.83 2.64 2.37 1.98 1.58 None 29.89Z 151-15 3.26 13.11 2.91 2.43 2.12 1.94 1.74 1.62 1.46 1.21 0.97 None 18.35Z 151-16 3.48 14.35 3.19 2.66 2.32 2.13 1.90 1.77 1.59 1.33 1.06 None 20.09Z 151-18 3.91 16.58 3.68 3.07 2.68 2.46 2.20 2.05 1.84 1.54 1.23 None 23.21Z 151-20 4.35 18.72 4.16 3.47 3.03 2.77 2.48 2.31 2.08 1.73 1.39 None 26.21Z 171-15 3.73 15.78 3.51 2.92 2.55 2.34 2.09 1.95 1.75 1.46 1.17 None 22.10Z 171-16 3.98 17.45 3.88 3.23 2.82 2.59 2.32 2.15 1.94 1.62 1.29 None 24.43Z 171-18 4.48 20.78 4.62 3.85 3.36 3.08 2.76 2.57 2.31 1.92 1.54 None 29.09Z 171-20 4.98 24.02 5.34 4.45 3.88 3.56 3.19 2.97 2.67 2.22 1.78 None 33.63Z 171-25 6.22 31.09 6.91 5.76 5.03 4.61 4.13 3.84 3.45 2.88 2.30 None 43.53Z 201-15 4.07 18.82 4.18 3.49 3.04 2.79 2.50 2.32 2.09 1.74 1.39 None 26.35Z 201-16 4.35 20.84 4.63 3.86 3.37 3.09 2.77 2.57 2.32 1.93 1.54 None 29.18
Deflection Ratio Span 150
26
BW Industries - Purlins
5500
Working Loads kN/m2 for Centres mm
5000
Section kg/m UDL kN 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
C 151-15 3.51 12.23 2.45 2.04 1.78 1.63 1.46 1.36 1.22 1.02 0.82 One 17.13C 151-16 3.74 13.44 2.69 2.24 1.96 1.79 1.60 1.49 1.34 1.12 0.90 One 18.82C 151-18 4.21 15.80 3.16 2.63 2.30 2.11 1.89 1.76 1.58 1.32 1.05 One 22.12C 151-20 4.68 18.06 3.61 3.01 2.63 2.41 2.16 2.01 1.81 1.50 1.20 One 25.28C 171-15 3.98 14.53 2.91 2.42 2.11 1.94 1.73 1.61 1.45 1.21 0.97 One 20.34C 171-16 4.25 16.08 3.22 2.68 2.34 2.14 1.92 1.79 1.61 1.34 1.07 One 22.52C 171-18 4.78 19.22 3.84 3.20 2.80 2.56 2.29 2.14 1.92 1.60 1.28 One 26.91C 171-20 5.31 22.31 4.46 3.72 3.24 2.97 2.66 2.48 2.23 1.86 1.49 One 31.23C 171-25 6.63 29.54 5.91 4.92 4.30 3.94 3.53 3.28 2.95 2.46 1.97 One 41.36C 201-15 4.33 17.32 3.46 2.89 2.52 2.31 2.07 1.92 1.73 1.44 1.15 One 24.25C 201-16 4.62 19.21 3.84 3.20 2.79 2.56 2.29 2.13 1.92 1.60 1.28 One 26.90C 201-18 5.20 23.02 4.60 3.84 3.35 3.07 2.75 2.56 2.30 1.92 1.53 One 32.23C 201-20 5.78 26.77 5.35 4.46 3.89 3.57 3.20 2.97 2.68 2.23 1.78 One 37.47C 201-23 6.64 32.17 6.43 5.36 4.68 4.29 3.84 3.57 3.22 2.68 2.14 One 45.04C 201-25 7.22 35.62 7.12 5.94 5.18 4.75 4.25 3.96 3.56 2.97 2.37 One 49.87C 231-16 5.19 22.75 4.55 3.79 3.31 3.03 2.72 2.53 2.27 1.90 1.52 One 31.84Z 151-15 3.26 11.80 2.36 1.97 1.72 1.57 1.41 1.31 1.18 0.98 0.79 One 16.52Z 151-16 3.48 12.92 2.58 2.15 1.88 1.72 1.54 1.44 1.29 1.08 0.86 One 18.08Z 151-18 3.91 14.92 2.98 2.49 2.17 1.99 1.78 1.66 1.49 1.24 0.99 One 20.89Z 151-20 4.35 16.85 3.37 2.81 2.45 2.25 2.01 1.87 1.68 1.40 1.12 One 23.59Z 171-15 3.73 14.21 2.84 2.37 2.07 1.89 1.70 1.58 1.42 1.18 0.95 One 19.89Z 171-16 3.98 15.71 3.14 2.62 2.28 2.09 1.88 1.75 1.57 1.31 1.05 One 21.99Z 171-18 4.48 18.70 3.74 3.12 2.72 2.49 2.23 2.08 1.87 1.56 1.25 One 26.18Z 171-20 4.98 21.62 4.32 3.60 3.14 2.88 2.58 2.40 2.16 1.80 1.44 One 30.26Z 171-25 6.22 27.98 5.60 4.66 4.07 3.73 3.34 3.11 2.80 2.33 1.87 One 39.18Z 201-15 4.07 16.94 3.39 2.82 2.46 2.26 2.02 1.88 1.69 1.41 1.13 One 23.71Z 201-16 4.35 18.76 3.75 3.13 2.73 2.50 2.24 2.08 1.88 1.56 1.25 One 26.26Z 201-18 4.89 22.39 4.48 3.73 3.26 2.99 2.67 2.49 2.24 1.87 1.49 One 31.35Z 201-20 5.43 25.94 5.19 4.32 3.77 3.46 3.10 2.88 2.59 2.16 1.73 One 36.32Z 201-23 6.25 30.70 6.14 5.12 4.47 4.09 3.67 3.41 3.07 2.56 2.05 One 42.99Z 201-25 6.79 33.82 6.76 5.64 4.92 4.51 4.04 3.76 3.38 2.82 2.25 One 47.34Z 231-16 4.97 22.39 4.48 3.73 3.26 2.99 2.67 2.49 2.24 1.87 1.49 One 31.35 C 171-15 3.98 13.20 2.40 2.00 1.75 1.60 1.43 1.33 1.20 1.00 0.80 One 18.49C 171-16 4.25 14.62 2.66 2.22 1.93 1.77 1.59 1.48 1.33 1.11 0.89 One 20.47C 171-18 4.78 17.47 3.18 2.65 2.31 2.12 1.90 1.76 1.59 1.32 1.06 One 24.46C 171-20 5.31 20.28 3.69 3.07 2.68 2.46 2.20 2.05 1.84 1.54 1.23 One 28.39C 171-25 6.63 26.86 4.88 4.07 3.55 3.26 2.92 2.71 2.44 2.03 1.63 One 37.60C 201-15 4.33 15.75 2.86 2.39 2.08 1.91 1.71 1.59 1.43 1.19 0.95 One 22.05C 201-16 4.62 17.47 3.18 2.65 2.31 2.12 1.90 1.76 1.59 1.32 1.06 One 24.45C 201-18 5.20 20.93 3.80 3.17 2.77 2.54 2.27 2.11 1.90 1.59 1.27 One 29.30C 201-20 5.78 24.33 4.42 3.69 3.22 2.95 2.64 2.46 2.21 1.84 1.47 One 34.07C 201-23 6.64 29.25 5.32 4.43 3.87 3.54 3.17 2.95 2.66 2.22 1.77 One 40.94C 201-25 7.22 32.39 5.89 4.91 4.28 3.93 3.52 3.27 2.94 2.45 1.96 One 45.34C 231-16 5.19 20.68 3.76 3.13 2.73 2.51 2.24 2.09 1.88 1.57 1.25 One 28.95C 231-18 5.84 25.05 4.55 3.79 3.31 3.04 2.72 2.53 2.28 1.90 1.52 One 35.07Z 171-15 3.73 12.91 2.35 1.96 1.71 1.57 1.40 1.30 1.17 0.98 0.78 One 18.08Z 171-16 3.98 14.28 2.60 2.16 1.89 1.73 1.55 1.44 1.30 1.08 0.87 One 19.99Z 171-18 4.48 17.00 3.09 2.58 2.25 2.06 1.85 1.72 1.55 1.29 1.03 One 23.80Z 171-20 4.98 19.65 3.57 2.98 2.60 2.38 2.13 1.99 1.79 1.49 1.19 One 27.51Z 171-25 6.22 25.44 4.63 3.85 3.36 3.08 2.76 2.57 2.31 1.93 1.54 One 35.62Z 201-15 4.07 15.40 2.80 2.33 2.04 1.87 1.67 1.56 1.40 1.17 0.93 One 21.56Z 201-16 4.35 17.05 3.10 2.58 2.26 2.07 1.85 1.72 1.55 1.29 1.03 One 23.88Z 201-18 4.89 20.36 3.70 3.08 2.69 2.47 2.21 2.06 1.85 1.54 1.23 One 28.50Z 201-20 5.43 23.58 4.29 3.57 3.12 2.86 2.56 2.38 2.14 1.79 1.43 One 33.02Z 201-23 6.25 27.91 5.08 4.23 3.69 3.38 3.03 2.82 2.54 2.11 1.69 One 39.08Z 201-25 6.79 30.74 5.59 4.66 4.06 3.73 3.34 3.11 2.79 2.33 1.86 One 43.04Z 231-16 4.97 20.36 3.70 3.08 2.69 2.47 2.21 2.06 1.85 1.54 1.23 One 28.50Z 231-18 5.60 24.66 4.48 3.74 3.26 2.99 2.68 2.49 2.24 1.87 1.49 One 34.53
Span mm Section kg/m UDL kN/m 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
Deflection Ratio Span 150
Sleeved Side Rail Load Tables
27
BW Industries - Purlins
Sleeved Side Rail Load Tables
6500
6000
Section kg/m UDL kN 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
Working Loads kN/m2 for Centres mm
C 171-20 5.31 18.59 3.10 2.58 2.25 2.07 1.85 1.72 1.55 1.29 1.03 One 26.03C 171-25 6.63 24.62 4.10 3.42 2.98 2.74 2.45 2.28 2.05 1.71 1.37 One 34.47C 201-15 4.33 14.44 2.41 2.00 1.75 1.60 1.44 1.34 1.20 1.00 0.80 One 20.21C 201-16 4.62 16.01 2.67 2.22 1.94 1.78 1.59 1.48 1.33 1.11 0.89 One 22.42C 201-18 5.20 19.18 3.20 2.66 2.33 2.13 1.91 1.78 1.60 1.33 1.07 One 26.85C 201-20 5.78 22.31 3.72 3.10 2.70 2.48 2.22 2.07 1.86 1.55 1.24 One 31.23C 201-23 6.64 26.81 4.47 3.72 3.25 2.98 2.67 2.48 2.23 1.86 1.49 One 37.53C 201-25 7.22 29.69 4.95 4.12 3.60 3.30 2.95 2.75 2.47 2.06 1.65 One 41.56C 231-16 5.19 18.96 3.16 2.63 2.30 2.11 1.89 1.76 1.58 1.32 1.05 One 26.54C 231-18 5.84 22.96 3.83 3.19 2.78 2.55 2.28 2.13 1.91 1.59 1.28 One 32.14C 231-20 6.48 27.00 4.50 3.75 3.27 3.00 2.69 2.50 2.25 1.88 1.50 One 37.80C 231-23 7.46 32.95 5.49 4.58 3.99 3.66 3.28 3.05 2.75 2.29 1.83 One 46.13C 231-25 8.11 36.77 6.13 5.11 4.46 4.09 3.66 3.41 3.06 2.55 2.04 One 51.48C 261-18 6.37 26.41 4.40 3.67 3.20 2.93 2.63 2.45 2.20 1.83 1.47 One 36.98Z 171-20 4.98 18.01 3.00 2.50 2.18 2.00 1.79 1.67 1.50 1.25 1.00 One 25.22Z 171-25 6.22 23.32 3.89 3.24 2.83 2.59 2.32 2.16 1.94 1.62 1.30 One 32.65Z 201-15 4.07 14.11 2.35 1.96 1.71 1.57 1.40 1.31 1.18 0.98 0.78 One 19.76Z 201-16 4.35 15.63 2.61 2.17 1.89 1.74 1.56 1.45 1.30 1.09 0.87 One 21.89Z 201-18 4.89 18.66 3.11 2.59 2.26 2.07 1.86 1.73 1.55 1.30 1.04 One 26.12Z 201-20 5.43 21.62 3.60 3.00 2.62 2.40 2.15 2.00 1.80 1.50 1.20 One 30.27Z 201-23 6.25 25.59 4.26 3.55 3.10 2.84 2.55 2.37 2.13 1.78 1.42 One 35.82Z 201-25 6.79 28.18 4.70 3.91 3.42 3.13 2.80 2.61 2.35 1.96 1.57 One 39.45Z 231-16 4.97 18.66 3.11 2.59 2.26 2.07 1.86 1.73 1.55 1.30 1.04 One 26.12Z 231-18 5.60 22.61 3.77 3.14 2.74 2.51 2.25 2.09 1.88 1.57 1.26 One 31.65Z 231-20 6.22 26.59 4.43 3.69 3.22 2.95 2.65 2.46 2.22 1.85 1.48 One 37.22Z 231-23 7.15 32.28 5.38 4.48 3.91 3.59 3.21 2.99 2.69 2.24 1.79 One 45.20Z 231-25 7.77 35.74 5.96 4.96 4.33 3.97 3.56 3.31 2.98 2.48 1.99 One 50.03Z 261-18 6.09 25.99 4.33 3.61 3.15 2.89 2.59 2.41 2.17 1.80 1.44 One 36.38 C 171-25 6.63 22.73 3.50 2.91 2.54 2.33 2.09 1.94 1.75 1.46 1.17 One 31.82C 201-15 4.33 13.33 2.05 1.71 1.49 1.37 1.22 1.14 1.03 0.85 0.68 One 18.66C 201-16 4.62 14.78 2.27 1.89 1.65 1.52 1.36 1.26 1.14 0.95 0.76 One 20.69C 201-18 5.20 17.71 2.72 2.27 1.98 1.82 1.63 1.51 1.36 1.14 0.91 One 24.79C 201-20 5.78 20.59 3.17 2.64 2.30 2.11 1.89 1.76 1.58 1.32 1.06 One 28.83C 201-23 6.64 24.75 3.81 3.17 2.77 2.54 2.27 2.12 1.90 1.59 1.27 One 34.65C 201-25 7.22 27.40 4.22 3.51 3.07 2.81 2.52 2.34 2.11 1.76 1.41 One 38.36C 231-16 5.19 17.50 2.69 2.24 1.96 1.79 1.61 1.50 1.35 1.12 0.90 One 24.50C 231-18 5.84 21.19 3.26 2.72 2.37 2.17 1.95 1.81 1.63 1.36 1.09 One 29.67C 231-20 6.48 24.92 3.83 3.20 2.79 2.56 2.29 2.13 1.92 1.60 1.28 One 34.89C 231-23 7.46 30.41 4.68 3.90 3.40 3.12 2.79 2.60 2.34 1.95 1.56 One 42.58C 231-25 8.11 33.95 5.22 4.35 3.80 3.48 3.12 2.90 2.61 2.18 1.74 One 47.52C 261-18 6.37 24.38 3.75 3.13 2.73 2.50 2.24 2.08 1.88 1.56 1.25 One 34.14C 261-20 7.08 28.85 4.44 3.70 3.23 2.96 2.65 2.47 2.22 1.85 1.48 One 40.40C 261-23 8.14 35.51 5.46 4.55 3.97 3.64 3.26 3.04 2.73 2.28 1.82 One 49.72Z 171-25 6.22 21.53 3.31 2.76 2.41 2.21 1.98 1.84 1.66 1.38 1.10 One 30.14Z 201-15 4.07 13.03 2.00 1.67 1.46 1.34 1.20 1.11 1.00 0.84 0.67 One 18.24Z 201-16 4.35 14.43 2.22 1.85 1.61 1.48 1.33 1.23 1.11 0.93 0.74 One 20.20Z 201-18 4.89 17.22 2.65 2.21 1.93 1.77 1.58 1.47 1.32 1.10 0.88 One 24.11Z 201-20 5.43 19.96 3.07 2.56 2.23 2.05 1.83 1.71 1.54 1.28 1.02 One 27.94Z 201-23 6.25 23.62 3.63 3.03 2.64 2.42 2.17 2.02 1.82 1.51 1.21 One 33.07Z 201-25 6.79 26.01 4.00 3.33 2.91 2.67 2.39 2.22 2.00 1.67 1.33 One 36.42Z 231-16 4.97 17.22 2.65 2.21 1.93 1.77 1.58 1.47 1.32 1.10 0.88 One 24.11Z 231-18 5.60 20.87 3.21 2.68 2.33 2.14 1.92 1.78 1.61 1.34 1.07 One 29.21Z 231-20 6.22 24.54 3.78 3.15 2.75 2.52 2.25 2.10 1.89 1.57 1.26 One 34.36Z 231-23 7.15 29.80 4.58 3.82 3.33 3.06 2.74 2.55 2.29 1.91 1.53 One 41.72Z 231-25 7.77 32.99 5.08 4.23 3.69 3.38 3.03 2.82 2.54 2.11 1.69 One 46.18Z 261-18 6.09 23.99 3.69 3.08 2.68 2.46 2.20 2.05 1.85 1.54 1.23 One 33.58Z 261-20 6.77 28.39 4.37 3.64 3.18 2.91 2.61 2.43 2.18 1.82 1.46 One 39.75Z 261-23 7.78 34.83 5.36 4.47 3.90 3.57 3.20 2.98 2.68 2.23 1.79 One 48.76
Span mm Section kg/m UDL kN/m 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
Deflection Ratio Span 150
28
BW Industries - Purlins
8000
7500
Working Loads kN/m2 for Centres mm
7000
Section kg/m UDL kN 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
C 201-20 5.78 19.12 2.73 2.28 1.99 1.82 1.63 1.52 1.37 1.14 0.91 One 26.77C 201-23 6.64 22.98 3.28 2.74 2.39 2.19 1.96 1.82 1.64 1.37 1.09 One 32.17C 201-25 7.22 25.45 3.64 3.03 2.64 2.42 2.17 2.02 1.82 1.51 1.21 One 35.62C 231-16 5.19 16.25 2.32 1.93 1.69 1.55 1.39 1.29 1.16 0.97 0.77 One 22.75C 231-18 5.84 19.68 2.81 2.34 2.04 1.87 1.68 1.56 1.41 1.17 0.94 One 27.55C 231-20 6.48 23.14 3.31 2.76 2.40 2.20 1.97 1.84 1.65 1.38 1.10 One 32.40C 231-23 7.46 28.24 4.03 3.36 2.93 2.69 2.41 2.24 2.02 1.68 1.34 One 39.54C 231-25 8.11 31.52 4.50 3.75 3.27 3.00 2.69 2.50 2.25 1.88 1.50 One 44.13C 261-18 6.37 22.64 3.23 2.70 2.35 2.16 1.93 1.80 1.62 1.35 1.08 One 31.70C 261-20 7.08 26.79 3.83 3.19 2.78 2.55 2.29 2.13 1.91 1.59 1.28 One 37.51C 261-23 8.14 32.98 4.71 3.93 3.43 3.14 2.81 2.62 2.36 1.96 1.57 One 46.17C 261-25 8.85 36.99 5.28 4.40 3.84 3.52 3.15 2.94 2.64 2.20 1.76 One 51.79C 261-29 10.27 44.71 6.39 5.32 4.64 4.26 3.81 3.55 3.19 2.66 2.13 One 62.59Z 201-20 5.43 18.53 2.65 2.21 1.93 1.76 1.58 1.47 1.32 1.10 0.88 One 25.94Z 201-23 6.25 21.93 3.13 2.61 2.28 2.09 1.87 1.74 1.57 1.31 1.04 One 30.70Z 201-25 6.79 24.15 3.45 2.88 2.51 2.30 2.06 1.92 1.73 1.44 1.15 One 33.82Z 231-16 4.97 15.99 2.28 1.90 1.66 1.52 1.36 1.27 1.14 0.95 0.76 One 22.39Z 231-18 5.60 19.38 2.77 2.31 2.01 1.85 1.65 1.54 1.38 1.15 0.92 One 27.13Z 231-20 6.22 22.79 3.26 2.71 2.37 2.17 1.94 1.81 1.63 1.36 1.09 One 31.91Z 231-23 7.15 27.67 3.95 3.29 2.87 2.64 2.36 2.20 1.98 1.65 1.32 One 38.74Z 231-25 7.77 30.63 4.38 3.65 3.18 2.92 2.61 2.43 2.19 1.82 1.46 One 42.89Z 261-18 6.09 22.27 3.18 2.65 2.31 2.12 1.90 1.77 1.59 1.33 1.06 One 31.18Z 261-20 6.77 26.36 3.77 3.14 2.74 2.51 2.25 2.09 1.88 1.57 1.26 One 36.91Z 261-23 7.78 32.34 4.62 3.85 3.36 3.08 2.76 2.57 2.31 1.92 1.54 One 45.28Z 261-25 8.46 35.95 5.14 4.28 3.73 3.42 3.07 2.85 2.57 2.14 1.71 One 50.33Z 261-29 9.81 43.02 6.15 5.12 4.47 4.10 3.67 3.41 3.07 2.56 2.05 One 60.23 C 201-25 7.22 23.75 3.17 2.64 2.30 2.11 1.89 1.76 1.58 1.32 1.06 One 33.25C 231-16 5.19 15.16 2.02 1.68 1.47 1.35 1.21 1.12 1.01 0.84 0.67 One 21.23C 231-18 5.84 18.37 2.45 2.04 1.78 1.63 1.46 1.36 1.22 1.02 0.82 One 25.71C 231-20 6.48 21.60 2.88 2.40 2.09 1.92 1.72 1.60 1.44 1.20 0.96 One 30.24C 231-23 7.46 26.36 3.51 2.93 2.56 2.34 2.10 1.95 1.76 1.46 1.17 One 36.90C 231-25 8.11 29.42 3.92 3.27 2.85 2.62 2.34 2.18 1.96 1.63 1.31 One 41.19C 261-18 6.37 21.13 2.82 2.35 2.05 1.88 1.68 1.57 1.41 1.17 0.94 One 29.58C 261-20 7.08 25.01 3.33 2.78 2.42 2.22 1.99 1.85 1.67 1.39 1.11 One 35.01C 261-23 8.14 30.78 4.10 3.42 2.98 2.74 2.45 2.28 2.05 1.71 1.37 One 43.09C 261-25 8.85 34.53 4.60 3.84 3.35 3.07 2.75 2.56 2.30 1.92 1.53 One 48.34C 261-29 10.27 41.73 5.56 4.64 4.05 3.71 3.32 3.09 2.78 2.32 1.85 One 58.42Z 201-25 6.79 22.54 3.01 2.50 2.19 2.00 1.79 1.67 1.50 1.25 1.00 One 31.56Z 231-16 4.97 14.93 1.99 1.66 1.45 1.33 1.19 1.11 1.00 0.83 0.66 One 20.90Z 231-18 5.60 18.08 2.41 2.01 1.75 1.61 1.44 1.34 1.21 1.00 0.80 One 25.32Z 231-20 6.22 21.27 2.84 2.36 2.06 1.89 1.69 1.58 1.42 1.18 0.95 One 29.78Z 231-23 7.15 25.83 3.44 2.87 2.50 2.30 2.06 1.91 1.72 1.43 1.15 One 36.16Z 231-25 7.77 28.59 3.81 3.18 2.77 2.54 2.28 2.12 1.91 1.59 1.27 One 40.03Z 261-18 6.09 20.79 2.77 2.31 2.02 1.85 1.65 1.54 1.39 1.15 0.92 One 29.10Z 261-20 6.77 24.61 3.28 2.73 2.39 2.19 1.96 1.82 1.64 1.37 1.09 One 34.45Z 261-23 7.78 30.18 4.02 3.35 2.93 2.68 2.40 2.24 2.01 1.68 1.34 One 42.26Z 261-25 8.46 33.55 4.47 3.73 3.25 2.98 2.67 2.49 2.24 1.86 1.49 One 46.97Z 261-29 9.81 40.15 5.35 4.46 3.89 3.57 3.20 2.97 2.68 2.23 1.78 One 56.21 C 231-23 7.46 24.71 3.09 2.57 2.25 2.06 1.84 1.72 1.54 1.29 1.03 Two 34.59C 231-25 8.11 27.58 3.45 2.87 2.51 2.30 2.06 1.92 1.72 1.44 1.15 Two 38.61C 261-18 6.37 19.81 2.48 2.06 1.80 1.65 1.48 1.38 1.24 1.03 0.83 Two 27.74C 261-20 7.08 23.44 2.93 2.44 2.13 1.95 1.75 1.63 1.47 1.22 0.98 Two 32.82C 261-23 8.14 28.85 3.61 3.01 2.62 2.40 2.15 2.00 1.80 1.50 1.20 Two 40.40C 261-25 8.85 32.37 4.05 3.37 2.94 2.70 2.42 2.25 2.02 1.69 1.35 Two 45.31C 261-29 10.27 39.12 4.89 4.07 3.56 3.26 2.92 2.72 2.44 2.04 1.63 Two 54.77Z 231-23 7.15 24.21 3.03 2.52 2.20 2.02 1.81 1.68 1.51 1.26 1.01 Two 33.90Z 231-25 7.77 26.80 3.35 2.79 2.44 2.23 2.00 1.86 1.68 1.40 1.12 Two 37.52Z 261-18 6.09 19.49 2.44 2.03 1.77 1.62 1.45 1.35 1.22 1.02 0.81 Two 27.29Z 261-20 6.77 23.07 2.88 2.40 2.10 1.92 1.72 1.60 1.44 1.20 0.96 Two 32.29Z 261-23 7.78 28.30 3.54 2.95 2.57 2.36 2.11 1.97 1.77 1.47 1.18 Two 39.62Z 261-25 8.46 31.45 3.93 3.28 2.86 2.62 2.35 2.18 1.97 1.64 1.31 Two 44.04Z 261-29 9.81 37.64 4.71 3.92 3.42 3.14 2.81 2.61 2.35 1.96 1.57 Two 52.70
Span mm Section kg/m UDL kN/m 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
Deflection Ratio Span 150
Sleeved Side Rail Load Tables
2�
BW Industries - Purlins
Deflection Ratio Span 150
Sleeved Side Rail Load Tables
9500
9000
8500
Section kg/m UDL kN 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
Working Loads kN/m2 for Centres mm
C 231-23 7.46 23.26 2.74 2.28 1.99 1.82 1.63 1.52 1.37 1.14 0.91 Two 32.56C 231-25 8.11 25.96 3.05 2.54 2.22 2.04 1.82 1.70 1.53 1.27 1.02 Two 36.34C 261-18 6.37 18.65 2.19 1.83 1.60 1.46 1.31 1.22 1.10 0.91 0.73 Two 26.10C 261-20 7.08 22.07 2.60 2.16 1.89 1.73 1.55 1.44 1.30 1.08 0.87 Two 30.89C 261-23 8.14 27.16 3.20 2.66 2.32 2.13 1.91 1.78 1.60 1.33 1.07 Two 38.02C 261-25 8.85 30.46 3.58 2.99 2.61 2.39 2.14 1.99 1.79 1.49 1.19 Two 42.65C 261-29 10.27 36.82 4.33 3.61 3.15 2.89 2.59 2.41 2.17 1.80 1.44 Two 51.54Z 231-23 7.15 22.79 2.68 2.23 1.95 1.79 1.60 1.49 1.34 1.12 0.89 Two 31.90Z 231-25 7.77 25.23 2.97 2.47 2.16 1.98 1.77 1.65 1.48 1.24 0.99 Two 35.32Z 261-18 6.09 18.34 2.16 1.80 1.57 1.44 1.29 1.20 1.08 0.90 0.72 Two 25.68Z 261-20 6.77 21.71 2.55 2.13 1.86 1.70 1.52 1.42 1.28 1.06 0.85 Two 30.40Z 261-23 7.78 26.63 3.13 2.61 2.28 2.09 1.87 1.74 1.57 1.31 1.04 Two 37.29Z 261-25 8.46 29.60 3.48 2.90 2.53 2.32 2.08 1.93 1.74 1.45 1.16 Two 41.44Z 261-29 9.81 35.43 4.17 3.47 3.03 2.78 2.49 2.32 2.08 1.74 1.39 Two 49.60 C 231-25 8.11 24.52 2.72 2.27 1.98 1.82 1.63 1.51 1.36 1.14 0.91 Two 34.32C 261-18 6.37 17.61 1.96 1.63 1.42 1.30 1.17 1.09 0.98 0.82 0.65 Two 24.65C 261-20 7.08 20.84 2.32 1.93 1.68 1.54 1.38 1.29 1.16 0.96 0.77 Two 29.18C 261-23 8.14 25.65 2.85 2.37 2.07 1.90 1.70 1.58 1.42 1.19 0.95 Two 35.91C 261-25 8.85 28.77 3.20 2.66 2.32 2.13 1.91 1.78 1.60 1.33 1.07 Two 40.28C 261-29 10.27 34.77 3.86 3.22 2.81 2.58 2.31 2.15 1.93 1.61 1.29 Two 48.68C 301-20 8.02 24.88 2.76 2.30 2.01 1.84 1.65 1.54 1.38 1.15 0.92 Two 34.83C 301-23 9.23 31.11 3.46 2.88 2.51 2.30 2.06 1.92 1.73 1.44 1.15 Two 43.56C 301-25 10.03 35.25 3.92 3.26 2.85 2.61 2.34 2.18 1.96 1.63 1.31 Two 49.35C 301-29 11.63 43.28 4.81 4.01 3.50 3.21 2.87 2.67 2.40 2.00 1.60 Two 60.60Z 231-25 7.77 23.83 2.65 2.21 1.93 1.76 1.58 1.47 1.32 1.10 0.88 Two 33.36Z 261-18 6.09 17.32 1.92 1.60 1.40 1.28 1.15 1.07 0.96 0.80 0.64 Two 24.25Z 261-20 6.77 20.50 2.28 1.90 1.66 1.52 1.36 1.27 1.14 0.95 0.76 Two 28.71Z 261-23 7.78 25.15 2.79 2.33 2.03 1.86 1.67 1.55 1.40 1.16 0.93 Two 35.21Z 261-25 8.46 27.96 3.11 2.59 2.26 2.07 1.85 1.73 1.55 1.29 1.04 Two 39.14Z 261-29 9.81 33.46 3.72 3.10 2.70 2.48 2.22 2.07 1.86 1.55 1.24 Two 46.84Z 301-20 7.71 24.51 2.72 2.27 1.98 1.82 1.63 1.51 1.36 1.13 0.91 Two 34.32Z 301-23 8.87 30.66 3.41 2.84 2.48 2.27 2.03 1.89 1.70 1.42 1.14 Two 42.93Z 301-25 9.64 34.74 3.86 3.22 2.81 2.57 2.30 2.14 1.93 1.61 1.29 Two 48.64Z 301-29 11.18 42.13 4.68 3.90 3.40 3.12 2.79 2.60 2.34 1.95 1.56 Two 58.99 C 261-18 6.37 16.68 1.76 1.46 1.28 1.17 1.05 0.98 0.88 0.73 0.59 Two 23.36C 261-20 7.08 19.74 2.08 1.73 1.51 1.39 1.24 1.15 1.04 0.87 0.69 Two 27.64C 261-23 8.14 24.30 2.56 2.13 1.86 1.71 1.53 1.42 1.28 1.07 0.85 Two 34.02C 261-25 8.85 27.26 2.87 2.39 2.09 1.91 1.71 1.59 1.43 1.20 0.96 Two 38.16C 261-29 10.27 32.94 3.47 2.89 2.52 2.31 2.07 1.93 1.73 1.44 1.16 Two 46.12C 301-20 8.02 23.57 2.48 2.07 1.80 1.65 1.48 1.38 1.24 1.03 0.83 Two 32.99C 301-23 9.23 29.48 3.10 2.59 2.26 2.07 1.85 1.72 1.55 1.29 1.03 Two 41.27C 301-25 10.03 33.39 3.52 2.93 2.56 2.34 2.10 1.95 1.76 1.46 1.17 Two 46.75C 301-29 11.63 41.01 4.32 3.60 3.14 2.88 2.58 2.40 2.16 1.80 1.44 Two 57.41C 341-23 10.31 34.53 3.64 3.03 2.64 2.42 2.17 2.02 1.82 1.51 1.21 Two 48.35C 341-25 11.21 39.46 4.15 3.46 3.02 2.77 2.48 2.31 2.08 1.73 1.38 Two 55.25C 341-30 13.45 51.62 5.43 4.53 3.95 3.62 3.24 3.02 2.72 2.26 1.81 Two 72.27Z 261-18 6.09 16.41 1.73 1.44 1.26 1.15 1.03 0.96 0.86 0.72 0.58 Two 22.98Z 261-20 6.77 19.43 2.04 1.70 1.49 1.36 1.22 1.14 1.02 0.85 0.68 Two 27.20Z 261-23 7.78 23.83 2.51 2.09 1.82 1.67 1.50 1.39 1.25 1.05 0.84 Two 33.36Z 261-25 8.46 26.49 2.79 2.32 2.03 1.86 1.66 1.55 1.39 1.16 0.93 Two 37.08Z 261-29 9.81 31.70 3.34 2.78 2.43 2.22 1.99 1.85 1.67 1.39 1.11 Two 44.38Z 301-20 7.71 23.22 2.44 2.04 1.78 1.63 1.46 1.36 1.22 1.02 0.81 Two 32.51Z 301-23 8.87 29.05 3.06 2.55 2.22 2.04 1.83 1.70 1.53 1.27 1.02 Two 40.67Z 301-25 9.64 32.91 3.46 2.89 2.52 2.31 2.07 1.92 1.73 1.44 1.15 Two 46.08Z 301-29 11.18 39.92 4.20 3.50 3.06 2.80 2.51 2.33 2.10 1.75 1.40 Two 55.88Z 341-23 9.95 34.07 3.59 2.99 2.61 2.39 2.14 1.99 1.79 1.49 1.20 Two 47.70Z 341-25 10.81 38.94 4.10 3.42 2.98 2.73 2.45 2.28 2.05 1.71 1.37 Two 54.52Z 341-30 12.98 50.74 5.34 4.45 3.88 3.56 3.19 2.97 2.67 2.23 1.78 Two 71.04
Span mm Section kg/m UDL kN/m 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
30
BW Industries - Purlins
11000
10500
Working Loads kN/m2 for Centres mm
10000
Section kg/m UDL kN 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
C 261-20 7.08 18.76 1.88 1.56 1.36 1.25 1.12 1.04 0.94 0.78 0.63 Two 26.26C 261-23 8.14 23.08 2.31 1.92 1.68 1.54 1.38 1.28 1.15 0.96 0.77 Two 32.32C 261-25 8.85 25.89 2.59 2.16 1.88 1.73 1.55 1.44 1.29 1.08 0.86 Two 36.25C 261-29 10.27 31.29 3.13 2.61 2.28 2.09 1.87 1.74 1.56 1.30 1.04 Two 43.81C 301-20 8.02 22.39 2.24 1.87 1.63 1.49 1.34 1.24 1.12 0.93 0.75 Two 31.34C 301-23 9.23 28.00 2.80 2.33 2.04 1.87 1.67 1.56 1.40 1.17 0.93 Two 39.20C 301-25 10.03 31.72 3.17 2.64 2.31 2.11 1.89 1.76 1.59 1.32 1.06 Two 44.41C 301-29 11.63 38.96 3.90 3.25 2.83 2.60 2.33 2.16 1.95 1.62 1.30 Two 54.54C 341-23 10.31 32.81 3.28 2.73 2.39 2.19 1.96 1.82 1.64 1.37 1.09 Two 45.93C 341-25 11.21 37.49 3.75 3.12 2.73 2.50 2.24 2.08 1.87 1.56 1.25 Two 52.49C 341-30 13.45 49.04 4.90 4.09 3.57 3.27 2.93 2.72 2.45 2.04 1.63 Two 68.66Z 261-20 6.77 18.45 1.85 1.54 1.34 1.23 1.10 1.03 0.92 0.77 0.62 Two 25.84Z 261-23 7.78 22.64 2.26 1.89 1.65 1.51 1.35 1.26 1.13 0.94 0.75 Two 31.69Z 261-25 8.46 25.16 2.52 2.10 1.83 1.68 1.50 1.40 1.26 1.05 0.84 Two 35.23Z 261-29 9.81 30.11 3.01 2.51 2.19 2.01 1.80 1.67 1.51 1.25 1.00 Two 42.16Z 301-20 7.71 22.06 2.21 1.84 1.60 1.47 1.32 1.23 1.10 0.92 0.74 Two 30.88Z 301-23 8.87 27.60 2.76 2.30 2.01 1.84 1.65 1.53 1.38 1.15 0.92 Two 38.64Z 301-25 9.64 31.27 3.13 2.61 2.27 2.08 1.87 1.74 1.56 1.30 1.04 Two 43.77Z 301-29 11.18 37.92 3.79 3.16 2.76 2.53 2.26 2.11 1.90 1.58 1.26 Two 53.09Z 341-23 9.95 32.37 3.24 2.70 2.35 2.16 1.93 1.80 1.62 1.35 1.08 Two 45.32Z 341-25 10.81 37.00 3.70 3.08 2.69 2.47 2.21 2.06 1.85 1.54 1.23 Two 51.80Z 341-30 12.98 48.21 4.82 4.02 3.51 3.21 2.88 2.68 2.41 2.01 1.61 Two 67.49 C 261-23 8.14 21.98 2.09 1.74 1.52 1.40 1.25 1.16 1.05 0.87 0.70 Two 30.78C 261-25 8.85 24.66 2.35 1.96 1.71 1.57 1.40 1.30 1.17 0.98 0.78 Two 34.53C 261-29 10.27 29.80 2.84 2.37 2.06 1.89 1.69 1.58 1.42 1.18 0.95 Two 41.73C 301-20 8.02 21.32 2.03 1.69 1.48 1.35 1.21 1.13 1.02 0.85 0.68 Two 29.85C 301-23 9.23 26.67 2.54 2.12 1.85 1.69 1.52 1.41 1.27 1.06 0.85 Two 37.34C 301-25 10.03 30.21 2.88 2.40 2.09 1.92 1.72 1.60 1.44 1.20 0.96 Two 42.30C 301-29 11.63 37.10 3.53 2.94 2.57 2.36 2.11 1.96 1.77 1.47 1.18 Two 51.94C 341-23 10.31 31.24 2.98 2.48 2.16 1.98 1.78 1.65 1.49 1.24 0.99 Two 43.74C 341-25 11.21 35.71 3.40 2.83 2.47 2.27 2.03 1.89 1.70 1.42 1.13 Two 49.99C 341-30 13.45 46.71 4.45 3.71 3.24 2.97 2.66 2.47 2.22 1.85 1.48 Two 65.39Z 261-23 7.78 21.56 2.05 1.71 1.49 1.37 1.23 1.14 1.03 0.86 0.68 Two 30.18Z 261-25 8.46 23.96 2.28 1.90 1.66 1.52 1.36 1.27 1.14 0.95 0.76 Two 33.55Z 261-29 9.81 28.68 2.73 2.28 1.99 1.82 1.63 1.52 1.37 1.14 0.91 Two 40.15Z 301-20 7.71 21.01 2.00 1.67 1.46 1.33 1.19 1.11 1.00 0.83 0.67 Two 29.41Z 301-23 8.87 26.28 2.50 2.09 1.82 1.67 1.49 1.39 1.25 1.04 0.83 Two 36.80Z 301-25 9.64 29.78 2.84 2.36 2.06 1.89 1.69 1.58 1.42 1.18 0.95 Two 41.69Z 301-29 11.18 36.11 3.44 2.87 2.50 2.29 2.05 1.91 1.72 1.43 1.15 Two 50.56Z 341-23 9.95 30.83 2.94 2.45 2.14 1.96 1.75 1.63 1.47 1.22 0.98 Two 43.16Z 341-25 10.81 35.24 3.36 2.80 2.44 2.24 2.00 1.86 1.68 1.40 1.12 Two 49.33Z 341-30 12.98 45.91 4.37 3.64 3.18 2.92 2.61 2.43 2.19 1.82 1.46 Two 64.28 C 261-25 8.85 23.54 2.14 1.78 1.56 1.43 1.28 1.19 1.07 0.89 0.71 Two 32.96C 261-29 10.27 27.83 2.53 2.11 1.84 1.69 1.51 1.41 1.27 1.05 0.84 Two 39.83C 301-20 8.02 20.35 1.85 1.54 1.35 1.23 1.10 1.03 0.93 0.77 0.62 Two 28.49C 301-23 9.23 25.46 2.31 1.93 1.68 1.54 1.38 1.29 1.16 0.96 0.77 Two 35.64C 301-25 10.03 28.84 2.62 2.18 1.91 1.75 1.57 1.46 1.31 1.09 0.87 Two 40.37C 301-29 11.63 35.41 3.22 2.68 2.34 2.15 1.92 1.79 1.61 1.34 1.07 Two 49.58C 341-23 10.31 29.82 2.71 2.26 1.97 1.81 1.62 1.51 1.36 1.13 0.90 Two 41.75C 341-25 11.21 34.08 3.10 2.58 2.25 2.07 1.85 1.72 1.55 1.29 1.03 Two 47.72C 341-30 13.45 44.58 4.05 3.38 2.95 2.70 2.42 2.25 2.03 1.69 1.35 Two 62.42Z 261-25 8.46 22.88 2.08 1.73 1.51 1.39 1.24 1.16 1.04 0.87 0.69 Two 32.03Z 261-29 9.81 27.01 2.46 2.05 1.79 1.64 1.47 1.36 1.23 1.02 0.82 Two 38.33Z 301-20 7.71 20.06 1.82 1.52 1.33 1.22 1.09 1.01 0.91 0.76 0.61 Two 28.08Z 301-23 8.87 25.09 2.28 1.90 1.66 1.52 1.36 1.27 1.14 0.95 0.76 Two 35.12Z 301-25 9.64 28.42 2.58 2.15 1.88 1.72 1.54 1.44 1.29 1.08 0.86 Two 39.79Z 301-29 11.18 34.47 3.13 2.61 2.28 2.09 1.87 1.74 1.57 1.31 1.04 Two 48.26Z 341-23 9.95 29.43 2.68 2.23 1.95 1.78 1.60 1.49 1.34 1.11 0.89 Two 41.20Z 341-25 10.81 33.63 3.06 2.55 2.22 2.04 1.83 1.70 1.53 1.27 1.02 Two 47.09Z 341-30 12.98 43.82 3.98 3.32 2.90 2.66 2.38 2.21 1.99 1.66 1.33 Two 61.35
Span mm Section kg/m UDL kN/m 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
Deflection Ratio Span 150
Sleeved Side Rail Load Tables
31
BW Industries - Purlins
Deflection Ratio Span 150
Sleeved Side Rail Load Tables
13000
12500
12000
11500
Section kg/m UDL kN 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
Working Loads kN/m2 for Centres mm
C 261-29 10.27 25.47 2.21 1.85 1.61 1.48 1.32 1.23 1.11 0.92 0.74 Two 38.10C 301-20 8.02 19.47 1.69 1.41 1.23 1.13 1.01 0.94 0.85 0.71 0.56 Two 27.26C 301-23 9.23 24.35 2.12 1.76 1.54 1.41 1.26 1.18 1.06 0.88 0.71 Two 34.09C 301-25 10.03 27.59 2.40 2.00 1.74 1.60 1.43 1.33 1.20 1.00 0.80 Two 38.62C 301-29 11.63 33.87 2.95 2.45 2.14 1.96 1.76 1.64 1.47 1.23 0.98 Two 47.42C 341-23 10.31 28.53 2.48 2.07 1.80 1.65 1.48 1.38 1.24 1.03 0.83 Two 39.94C 341-25 11.21 32.60 2.83 2.36 2.06 1.89 1.69 1.57 1.42 1.18 0.94 Two 45.64C 341-30 13.45 42.65 3.71 3.09 2.70 2.47 2.21 2.06 1.85 1.55 1.24 Two 59.71Z 261-29 9.81 24.71 2.15 1.79 1.56 1.43 1.28 1.19 1.07 0.90 0.72 Two 36.66Z 301-20 7.71 19.18 1.67 1.39 1.21 1.11 1.00 0.93 0.83 0.70 0.56 Two 26.86Z 301-23 8.87 24.00 2.09 1.74 1.52 1.39 1.25 1.16 1.04 0.87 0.70 Two 33.60Z 301-25 9.64 27.19 2.36 1.97 1.72 1.58 1.41 1.31 1.18 0.99 0.79 Two 38.06Z 301-29 11.18 32.97 2.87 2.39 2.09 1.91 1.71 1.59 1.43 1.19 0.96 Two 46.16Z 341-23 9.95 28.15 2.45 2.04 1.78 1.63 1.46 1.36 1.22 1.02 0.82 Two 39.41Z 341-25 10.81 32.17 2.80 2.33 2.03 1.87 1.67 1.55 1.40 1.17 0.93 Two 45.04Z 341-30 12.98 41.92 3.65 3.04 2.65 2.43 2.18 2.03 1.82 1.52 1.22 Two 58.69 C 301-20 8.02 18.66 1.55 1.30 1.13 1.04 0.93 0.86 0.78 0.65 0.52 Two 26.12C 301-23 9.23 23.33 1.94 1.62 1.41 1.30 1.16 1.08 0.97 0.81 0.65 Two 32.67C 301-25 10.03 26.44 2.20 1.84 1.60 1.47 1.32 1.22 1.10 0.92 0.73 Two 37.01C 301-29 11.63 32.46 2.71 2.25 1.97 1.80 1.62 1.50 1.35 1.13 0.90 Two 45.45C 341-23 10.31 27.34 2.28 1.90 1.66 1.52 1.36 1.27 1.14 0.95 0.76 Two 38.27C 341-25 11.21 31.24 2.60 2.17 1.89 1.74 1.55 1.45 1.30 1.08 0.87 Two 43.74C 341-30 13.45 40.87 3.41 2.84 2.48 2.27 2.03 1.89 1.70 1.42 1.14 Two 57.22Z 301-20 7.71 18.38 1.53 1.28 1.11 1.02 0.91 0.85 0.77 0.64 0.51 Two 25.74Z 301-23 8.87 23.00 1.92 1.60 1.39 1.28 1.14 1.06 0.96 0.80 0.64 Two 32.20Z 301-25 9.64 26.06 2.17 1.81 1.58 1.45 1.30 1.21 1.09 0.90 0.72 Two 36.48Z 301-29 11.18 31.60 2.63 2.19 1.92 1.76 1.57 1.46 1.32 1.10 0.88 Two 44.24Z 341-23 9.95 26.98 2.25 1.87 1.63 1.50 1.34 1.25 1.12 0.94 0.75 Two 37.77Z 341-25 10.81 30.83 2.57 2.14 1.87 1.71 1.53 1.43 1.28 1.07 0.86 Two 43.16Z 341-30 12.98 40.17 3.35 2.79 2.43 2.23 2.00 1.86 1.67 1.39 1.12 Two 56.24 C 301-23 9.23 22.40 1.79 1.49 1.30 1.19 1.07 1.00 0.90 0.75 0.60 Two 31.36C 301-25 10.03 25.38 2.03 1.69 1.48 1.35 1.21 1.13 1.02 0.85 0.68 Two 35.53C 301-29 11.63 31.16 2.49 2.08 1.81 1.66 1.49 1.39 1.25 1.04 0.83 Two 43.63C 341-23 10.31 26.24 2.10 1.75 1.53 1.40 1.25 1.17 1.05 0.87 0.70 Two 36.74C 341-25 11.21 29.99 2.40 2.00 1.75 1.60 1.43 1.33 1.20 1.00 0.80 Two 41.99C 341-30 13.45 39.23 3.14 2.62 2.28 2.09 1.87 1.74 1.57 1.31 1.05 Two 54.93Z 301-23 8.87 22.08 1.77 1.47 1.28 1.18 1.05 0.98 0.88 0.74 0.59 Two 30.91Z 301-25 9.64 25.01 2.00 1.67 1.46 1.33 1.19 1.11 1.00 0.83 0.67 Two 35.02Z 301-29 11.18 30.34 2.43 2.02 1.77 1.62 1.45 1.35 1.21 1.01 0.81 Two 42.47Z 341-23 9.95 25.90 2.07 1.73 1.51 1.38 1.24 1.15 1.04 0.86 0.69 Two 36.25Z 341-25 10.81 29.60 2.37 1.97 1.72 1.58 1.41 1.32 1.18 0.99 0.79 Two 41.44Z 341-30 12.98 38.57 3.09 2.57 2.24 2.06 1.84 1.71 1.54 1.29 1.03 Two 53.99 C 301-25 10.03 24.40 1.88 1.56 1.37 1.25 1.12 1.04 0.94 0.78 0.63 Two 34.16C 301-29 11.63 29.84 2.30 1.91 1.67 1.53 1.37 1.28 1.15 0.96 0.77 Two 41.95C 341-23 10.31 25.24 1.94 1.62 1.41 1.29 1.16 1.08 0.97 0.81 0.65 Two 35.33C 341-25 11.21 28.84 2.22 1.85 1.61 1.48 1.32 1.23 1.11 0.92 0.74 Two 40.38C 341-30 13.45 37.73 2.90 2.42 2.11 1.93 1.73 1.61 1.45 1.21 0.97 Two 52.82Z 301-25 9.64 24.05 1.85 1.54 1.35 1.23 1.10 1.03 0.93 0.77 0.62 Two 33.67Z 301-29 11.18 29.06 2.24 1.86 1.63 1.49 1.33 1.24 1.12 0.93 0.75 Two 40.84Z 341-23 9.95 24.90 1.92 1.60 1.39 1.28 1.14 1.06 0.96 0.80 0.64 Two 34.86Z 341-25 10.81 28.46 2.19 1.82 1.59 1.46 1.31 1.22 1.09 0.91 0.73 Two 39.84Z 341-30 12.98 37.08 2.85 2.38 2.07 1.90 1.70 1.58 1.43 1.19 0.95 Two 51.92
Span mm Section kg/m UDL kN/m 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
32
BW Industries - Purlins
15000
14500
14000
Working Loads kN/m2 for Centres mm
13500
Section kg/m UDL kN 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
C 301-29 11.63 27.67 2.05 1.71 1.49 1.37 1.22 1.14 1.02 0.85 0.68 Two 40.40C 341-23 10.31 24.30 1.80 1.50 1.31 1.20 1.07 1.00 0.90 0.75 0.60 Two 34.02C 341-25 11.21 27.77 2.06 1.71 1.50 1.37 1.23 1.14 1.03 0.86 0.69 Two 38.88C 341-30 13.45 36.33 2.69 2.24 1.96 1.79 1.61 1.49 1.35 1.12 0.90 Two 50.86Z 301-29 11.18 26.94 2.00 1.66 1.45 1.33 1.19 1.11 1.00 0.83 0.67 Two 39.32Z 341-23 9.95 23.98 1.78 1.48 1.29 1.18 1.06 0.99 0.89 0.74 0.59 Two 33.57Z 341-25 10.81 27.41 2.03 1.69 1.48 1.35 1.21 1.13 1.02 0.85 0.68 Two 38.37Z 341-30 12.98 35.71 2.65 2.20 1.92 1.76 1.58 1.47 1.32 1.10 0.88 Two 49.99 C 341-23 10.31 23.43 1.67 1.39 1.22 1.12 1.00 0.93 0.84 0.70 0.56 Two 32.81C 341-25 11.21 26.78 1.91 1.59 1.39 1.28 1.14 1.06 0.96 0.80 0.64 Two 37.49C 341-30 13.45 35.03 2.50 2.09 1.82 1.67 1.49 1.39 1.25 1.04 0.83 Two 49.04Z 341-23 9.95 23.12 1.65 1.38 1.20 1.10 0.99 0.92 0.83 0.69 0.55 Two 32.37Z 341-25 10.81 26.43 1.89 1.57 1.37 1.26 1.13 1.05 0.94 0.79 0.63 Two 37.00Z 341-30 12.98 34.43 2.46 2.05 1.79 1.64 1.47 1.37 1.23 1.02 0.82 Two 48.21 C 341-23 10.31 22.62 1.56 1.30 1.13 1.04 0.93 0.87 0.78 0.65 0.52 Two 31.67C 341-25 11.21 25.86 1.78 1.49 1.30 1.19 1.06 0.99 0.89 0.74 0.59 Two 36.20C 341-30 13.45 33.82 2.33 1.94 1.70 1.56 1.39 1.30 1.17 0.97 0.78 Two 47.35Z 341-23 9.95 22.32 1.54 1.28 1.12 1.03 0.92 0.86 0.77 0.64 0.51 Two 31.25Z 341-25 10.81 25.52 1.76 1.47 1.28 1.17 1.05 0.98 0.88 0.73 0.59 Two 35.72Z 341-30 12.98 33.25 2.29 1.91 1.67 1.53 1.37 1.27 1.15 0.96 0.76 Two 46.55 C 341-23 10.31 21.87 1.46 1.22 1.06 0.97 0.87 0.81 0.73 0.61 0.49 Two 30.62C 341-25 11.21 24.99 1.67 1.39 1.21 1.11 0.99 0.93 0.83 0.69 0.56 Two 34.99C 341-30 13.45 32.70 2.18 1.82 1.59 1.45 1.30 1.21 1.09 0.91 0.73 Two 45.77Z 341-23 9.95 21.58 1.44 1.20 1.05 0.96 0.86 0.80 0.72 0.60 0.48 Two 30.21Z 341-25 10.81 24.66 1.64 1.37 1.20 1.10 0.98 0.91 0.82 0.69 0.55 Two 34.53Z 341-30 12.98 32.14 2.14 1.79 1.56 1.43 1.28 1.19 1.07 0.89 0.71 Two 44.99
Span mm Section kg/m UDL kN/m 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
Sleeved Side Rail Load Tables
Deflection Ratio Span 150
33
BW Industries - Purlins
Deflection Ratio Span 150
Butted Side Rail Load Tables
4500
4000
3500
Section kg/m UDL kN 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
Working Loads kN/m2 for Centres mm
C 141-15 3.39 10.78 3.08 2.57 2.24 2.05 1.84 1.71 1.54 1.28 1.03 None 15.10C 141-16 3.62 11.84 3.38 2.82 2.46 2.26 2.02 1.88 1.69 1.41 1.13 None 16.58C 141-18 4.07 13.91 3.98 3.31 2.89 2.65 2.37 2.21 1.99 1.66 1.33 None 19.48C 141-20 4.52 15.88 4.54 3.78 3.30 3.03 2.71 2.52 2.27 1.89 1.51 None 22.24C 151-15 3.51 11.65 3.33 2.77 2.42 2.22 1.99 1.85 1.66 1.39 1.11 None 16.31C 151-16 3.74 12.80 3.66 3.05 2.66 2.44 2.18 2.03 1.83 1.52 1.22 None 17.92C 151-18 4.21 15.05 4.30 3.58 3.13 2.87 2.57 2.39 2.15 1.79 1.43 None 21.07C 151-20 4.68 17.20 4.91 4.09 3.57 3.28 2.93 2.73 2.46 2.05 1.64 None 24.08Z 141-15 3.11 10.40 2.97 2.48 2.16 1.98 1.77 1.65 1.49 1.24 0.99 None 14.56Z 141-16 3.32 11.38 3.25 2.71 2.36 2.17 1.94 1.81 1.63 1.35 1.08 None 15.93Z 141-18 3.73 13.14 3.75 3.13 2.73 2.50 2.24 2.09 1.88 1.56 1.25 None 18.39Z 141-20 4.14 14.78 4.22 3.52 3.07 2.82 2.52 2.35 2.11 1.76 1.41 None 20.73Z 151-15 3.26 11.24 3.21 2.68 2.33 2.14 1.92 1.78 1.61 1.34 1.07 None 15.73Z 151-16 3.48 12.30 3.51 2.93 2.56 2.34 2.10 1.95 1.76 1.46 1.17 None 17.22Z 151-18 3.91 14.21 4.06 3.38 2.95 2.71 2.42 2.26 2.03 1.69 1.35 None 19.90Z 151-20 4.35 16.05 4.58 3.82 3.33 3.06 2.74 2.55 2.29 1.91 1.53 None 22.47 C 141-15 3.39 9.26 2.31 1.93 1.68 1.54 1.38 1.29 1.16 0.96 0.77 None 13.21C 141-16 3.62 9.84 2.46 2.05 1.79 1.64 1.47 1.37 1.23 1.03 0.82 None 14.51C 141-18 4.07 11.01 2.75 2.29 2.00 1.83 1.64 1.53 1.38 1.15 0.92 None 17.04C 141-20 4.52 12.16 3.04 2.53 2.21 2.03 1.81 1.69 1.52 1.27 1.01 None 19.46C 151-15 3.51 10.19 2.55 2.12 1.85 1.70 1.52 1.42 1.27 1.06 0.85 None 14.27C 151-16 3.74 11.20 2.80 2.33 2.04 1.87 1.67 1.56 1.40 1.17 0.93 None 15.68C 151-18 4.21 12.89 3.22 2.68 2.34 2.15 1.92 1.79 1.61 1.34 1.07 None 18.43C 151-20 4.68 14.24 3.56 2.97 2.59 2.37 2.13 1.98 1.78 1.48 1.19 None 21.07C 171-15 3.98 12.10 3.03 2.52 2.20 2.02 1.81 1.68 1.51 1.26 1.01 None 16.95C 171-16 4.25 13.40 3.35 2.79 2.44 2.23 2.00 1.86 1.68 1.40 1.12 None 18.76Z 141-15 3.11 8.62 2.16 1.80 1.57 1.44 1.29 1.20 1.08 0.90 0.72 None 12.74Z 141-16 3.32 9.17 2.29 1.91 1.67 1.53 1.37 1.27 1.15 0.95 0.76 None 13.94Z 141-18 3.73 10.25 2.56 2.14 1.86 1.71 1.53 1.42 1.28 1.07 0.85 None 16.09Z 141-20 4.14 11.32 2.83 2.36 2.06 1.89 1.69 1.57 1.41 1.18 0.94 None 18.14Z 151-15 3.26 9.83 2.46 2.05 1.79 1.64 1.47 1.37 1.23 1.02 0.82 None 13.77Z 151-16 3.48 10.75 2.69 2.24 1.95 1.79 1.60 1.49 1.34 1.12 0.90 None 15.07Z 151-18 3.91 12.02 3.00 2.50 2.19 2.00 1.79 1.67 1.50 1.25 1.00 None 17.41Z 151-20 4.35 13.27 3.32 2.77 2.41 2.21 1.98 1.84 1.66 1.38 1.11 None 19.66Z 171-15 3.73 11.84 2.96 2.47 2.15 1.97 1.77 1.64 1.48 1.23 0.99 None 16.57Z 171-16 3.98 13.09 3.27 2.73 2.38 2.18 1.95 1.82 1.64 1.36 1.09 None 18.32 C 151-15 3.51 8.56 1.90 1.58 1.38 1.27 1.14 1.06 0.95 0.79 0.63 None 12.69C 151-16 3.74 9.10 2.02 1.69 1.47 1.35 1.21 1.12 1.01 0.84 0.67 None 13.94C 151-18 4.21 10.18 2.26 1.89 1.65 1.51 1.35 1.26 1.13 0.94 0.75 None 16.39C 151-20 4.68 11.25 2.50 2.08 1.82 1.67 1.49 1.39 1.25 1.04 0.83 None 18.73C 171-15 3.98 10.76 2.39 1.99 1.74 1.59 1.43 1.33 1.20 1.00 0.80 None 15.06C 171-16 4.25 11.91 2.65 2.21 1.93 1.76 1.58 1.47 1.32 1.10 0.88 None 16.68C 171-18 4.78 14.24 3.16 2.64 2.30 2.11 1.89 1.76 1.58 1.32 1.05 None 19.93C 171-20 5.31 16.51 3.67 3.06 2.67 2.45 2.19 2.04 1.83 1.53 1.22 None 23.14C 171-25 6.63 20.37 4.53 3.77 3.29 3.02 2.70 2.52 2.26 1.89 1.51 None 30.64C 201-15 4.33 12.83 2.85 2.38 2.07 1.90 1.70 1.58 1.43 1.19 0.95 None 17.96C 201-16 4.62 14.23 3.16 2.64 2.30 2.11 1.89 1.76 1.58 1.32 1.05 None 19.93Z 151-15 3.26 7.98 1.77 1.48 1.29 1.18 1.06 0.99 0.89 0.74 0.59 None 12.24Z 151-16 3.48 8.49 1.89 1.57 1.37 1.26 1.13 1.05 0.94 0.79 0.63 None 13.39Z 151-18 3.91 9.50 2.11 1.76 1.53 1.41 1.26 1.17 1.06 0.88 0.70 None 15.47Z 151-20 4.35 10.49 2.33 1.94 1.70 1.55 1.39 1.29 1.17 0.97 0.78 None 17.47Z 171-15 3.73 10.52 2.34 1.95 1.70 1.56 1.40 1.30 1.17 0.97 0.78 None 14.73Z 171-16 3.98 11.63 2.59 2.15 1.88 1.72 1.54 1.44 1.29 1.08 0.86 None 16.29Z 171-18 4.48 13.85 3.08 2.57 2.24 2.05 1.84 1.71 1.54 1.28 1.03 None 19.39Z 171-20 4.98 15.68 3.48 2.90 2.53 2.32 2.08 1.94 1.74 1.45 1.16 None 22.42Z 171-25 6.22 19.34 4.30 3.58 3.13 2.87 2.57 2.39 2.15 1.79 1.43 None 29.02Z 201-15 4.07 12.55 2.79 2.32 2.03 1.86 1.66 1.55 1.39 1.16 0.93 None 17.57Z 201-16 4.35 13.90 3.09 2.57 2.25 2.06 1.84 1.72 1.54 1.29 1.03 None 19.45
Span mm Section kg/m UDL kN/m 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
34
BW Industries - Purlins
5500
Working Loads kN/m2 for Centres mm
5000
Section kg/m UDL kN 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
C 151-15 3.51 6.93 1.39 1.16 1.01 0.92 0.83 0.77 0.69 0.58 0.46 One 11.42C 151-16 3.74 7.37 1.47 1.23 1.07 0.98 0.88 0.82 0.74 0.61 0.49 One 12.55C 151-18 4.21 8.25 1.65 1.37 1.20 1.10 0.98 0.92 0.82 0.69 0.55 One 14.75C 151-20 4.68 9.11 1.82 1.52 1.33 1.22 1.09 1.01 0.91 0.76 0.61 One 16.85C 171-15 3.98 9.68 1.94 1.61 1.41 1.29 1.16 1.08 0.97 0.81 0.65 One 13.56C 171-16 4.25 10.72 2.14 1.79 1.56 1.43 1.28 1.19 1.07 0.89 0.71 One 15.01C 171-18 4.78 12.09 2.42 2.02 1.76 1.61 1.44 1.34 1.21 1.01 0.81 One 17.94C 171-20 5.31 13.37 2.67 2.23 1.94 1.78 1.60 1.49 1.34 1.11 0.89 One 20.82C 171-25 6.63 16.50 3.30 2.75 2.40 2.20 1.97 1.83 1.65 1.38 1.10 One 27.57C 201-15 4.33 11.55 2.31 1.92 1.68 1.54 1.38 1.28 1.15 0.96 0.77 One 16.17C 201-16 4.62 12.81 2.56 2.13 1.86 1.71 1.53 1.42 1.28 1.07 0.85 One 17.93C 201-18 5.20 15.35 3.07 2.56 2.23 2.05 1.83 1.71 1.53 1.28 1.02 One 21.48C 201-20 5.78 17.84 3.57 2.97 2.60 2.38 2.13 1.98 1.78 1.49 1.19 One 24.98C 201-23 6.64 21.45 4.29 3.57 3.12 2.86 2.56 2.38 2.14 1.79 1.43 One 30.03C 201-25 7.22 23.75 4.75 3.96 3.45 3.17 2.84 2.64 2.37 1.98 1.58 One 33.25C 231-16 5.19 15.16 3.03 2.53 2.21 2.02 1.81 1.68 1.52 1.26 1.01 One 21.23Z 151-15 3.26 6.47 1.29 1.08 0.94 0.86 0.77 0.72 0.65 0.54 0.43 One 11.01Z 151-16 3.48 6.88 1.38 1.15 1.00 0.92 0.82 0.76 0.69 0.57 0.46 One 12.05Z 151-18 3.91 7.69 1.54 1.28 1.12 1.03 0.92 0.85 0.77 0.64 0.51 One 13.93Z 151-20 4.35 8.50 1.70 1.42 1.24 1.13 1.01 0.94 0.85 0.71 0.57 One 15.73Z 171-15 3.73 9.47 1.89 1.58 1.38 1.26 1.13 1.05 0.95 0.79 0.63 One 13.26Z 171-16 3.98 10.26 2.05 1.71 1.49 1.37 1.23 1.14 1.03 0.86 0.68 One 14.66Z 171-18 4.48 11.49 2.30 1.91 1.67 1.53 1.37 1.28 1.15 0.96 0.77 One 17.45Z 171-20 4.98 12.70 2.54 2.12 1.85 1.69 1.52 1.41 1.27 1.06 0.85 One 20.18Z 171-25 6.22 15.67 3.13 2.61 2.28 2.09 1.87 1.74 1.57 1.31 1.04 One 26.12Z 201-15 4.07 11.29 2.26 1.88 1.64 1.51 1.35 1.25 1.13 0.94 0.75 One 15.81Z 201-16 4.35 12.51 2.50 2.08 1.82 1.67 1.49 1.39 1.25 1.04 0.83 One 17.51Z 201-18 4.89 14.93 2.99 2.49 2.17 1.99 1.78 1.66 1.49 1.24 1.00 One 20.90Z 201-20 5.43 17.29 3.46 2.88 2.52 2.31 2.07 1.92 1.73 1.44 1.15 One 24.21Z 201-23 6.25 20.47 4.09 3.41 2.98 2.73 2.44 2.27 2.05 1.71 1.36 One 28.66Z 201-25 6.79 22.54 4.51 3.76 3.28 3.01 2.69 2.50 2.25 1.88 1.50 One 31.56Z 231-16 4.97 14.93 2.99 2.49 2.17 1.99 1.78 1.66 1.49 1.24 1.00 One 20.90 C 171-15 3.98 8.39 1.53 1.27 1.11 1.02 0.91 0.85 0.76 0.64 0.51 One 12.32C 171-16 4.25 8.93 1.62 1.35 1.18 1.08 0.97 0.90 0.81 0.68 0.54 One 13.65C 171-18 4.78 9.99 1.82 1.51 1.32 1.21 1.08 1.01 0.91 0.76 0.61 One 16.31C 171-20 5.31 11.05 2.01 1.67 1.46 1.34 1.20 1.12 1.00 0.84 0.67 One 18.93C 171-25 6.63 13.64 2.48 2.07 1.80 1.65 1.48 1.38 1.24 1.03 0.83 One 25.07C 201-15 4.33 10.50 1.91 1.59 1.39 1.27 1.14 1.06 0.95 0.80 0.64 One 14.70C 201-16 4.62 11.64 2.12 1.76 1.54 1.41 1.26 1.18 1.06 0.88 0.71 One 16.30C 201-18 5.20 13.95 2.54 2.11 1.84 1.69 1.51 1.41 1.27 1.06 0.85 One 19.53C 201-20 5.78 16.05 2.92 2.43 2.12 1.95 1.74 1.62 1.46 1.22 0.97 One 22.71C 201-23 6.64 18.33 3.33 2.78 2.42 2.22 1.99 1.85 1.67 1.39 1.11 One 27.30C 201-25 7.22 19.83 3.61 3.00 2.62 2.40 2.15 2.00 1.80 1.50 1.20 One 30.23C 231-16 5.19 13.79 2.51 2.09 1.82 1.67 1.50 1.39 1.25 1.04 0.84 One 19.30C 231-18 5.84 16.70 3.04 2.53 2.21 2.02 1.81 1.69 1.52 1.26 1.01 One 23.38Z 171-15 3.73 7.97 1.45 1.21 1.05 0.97 0.87 0.81 0.72 0.60 0.48 One 12.05Z 171-16 3.98 8.48 1.54 1.29 1.12 1.03 0.92 0.86 0.77 0.64 0.51 One 13.33Z 171-18 4.48 9.49 1.73 1.44 1.26 1.15 1.03 0.96 0.86 0.72 0.58 One 15.87Z 171-20 4.98 10.49 1.91 1.59 1.39 1.27 1.14 1.06 0.95 0.80 0.64 One 18.34Z 171-25 6.22 12.95 2.35 1.96 1.71 1.57 1.41 1.31 1.18 0.98 0.78 One 23.74Z 201-15 4.07 10.27 1.87 1.56 1.36 1.24 1.11 1.04 0.93 0.78 0.62 One 14.37Z 201-16 4.35 11.37 2.07 1.72 1.50 1.38 1.23 1.15 1.03 0.86 0.69 One 15.92Z 201-18 4.89 13.57 2.47 2.06 1.79 1.64 1.47 1.37 1.23 1.03 0.82 One 19.00Z 201-20 5.43 15.28 2.78 2.32 2.02 1.85 1.66 1.54 1.39 1.16 0.93 One 22.01Z 201-23 6.25 17.45 3.17 2.64 2.31 2.12 1.89 1.76 1.59 1.32 1.06 One 26.05Z 201-25 6.79 18.88 3.43 2.86 2.50 2.29 2.05 1.91 1.72 1.43 1.14 One 28.69Z 231-16 4.97 13.57 2.47 2.06 1.79 1.64 1.47 1.37 1.23 1.03 0.82 One 19.00Z 231-18 5.60 16.44 2.99 2.49 2.17 1.99 1.78 1.66 1.49 1.25 1.00 One 23.02
Span mm Section kg/m UDL kN/m 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
Deflection Ratio Span 150
Butted Side Rail Load Tables
35
BW Industries - Purlins
Deflection Ratio Span 150
Butted Side Rail Load Tables
6500
6000
Section kg/m UDL kN 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
Working Loads kN/m2 for Centres mm
C 171-20 5.31 9.28 1.55 1.29 1.13 1.03 0.92 0.86 0.77 0.64 0.52 One 17.35C 171-25 6.63 11.46 1.91 1.59 1.39 1.27 1.14 1.06 0.95 0.80 0.64 One 22.98C 201-15 4.33 9.62 1.60 1.34 1.17 1.07 0.96 0.89 0.80 0.67 0.53 One 13.47C 201-16 4.62 10.67 1.78 1.48 1.29 1.19 1.06 0.99 0.89 0.74 0.59 One 14.94C 201-18 5.20 12.19 2.03 1.69 1.48 1.35 1.21 1.13 1.02 0.85 0.68 One 17.90C 201-20 5.78 13.48 2.25 1.87 1.63 1.50 1.34 1.25 1.12 0.94 0.75 One 20.82C 201-23 6.64 15.40 2.57 2.14 1.87 1.71 1.53 1.43 1.28 1.07 0.86 One 25.02C 201-25 7.22 16.66 2.78 2.31 2.02 1.85 1.66 1.54 1.39 1.16 0.93 One 27.71C 231-16 5.19 12.64 2.11 1.76 1.53 1.40 1.26 1.17 1.05 0.88 0.70 One 17.69C 231-18 5.84 15.31 2.55 2.13 1.86 1.70 1.52 1.42 1.28 1.06 0.85 One 21.43C 231-20 6.48 18.00 3.00 2.50 2.18 2.00 1.79 1.67 1.50 1.25 1.00 One 25.20C 231-23 7.46 21.97 3.66 3.05 2.66 2.44 2.19 2.03 1.83 1.53 1.22 One 30.75C 231-25 8.11 24.52 4.09 3.41 2.97 2.72 2.44 2.27 2.04 1.70 1.36 One 34.32C 261-18 6.37 17.61 2.93 2.45 2.13 1.96 1.75 1.63 1.47 1.22 0.98 One 24.65Z 171-20 4.98 8.82 1.47 1.22 1.07 0.98 0.88 0.82 0.73 0.61 0.49 One 16.81Z 171-25 6.22 10.88 1.81 1.51 1.32 1.21 1.08 1.01 0.91 0.76 0.60 One 21.77Z 201-15 4.07 9.41 1.57 1.31 1.14 1.05 0.94 0.87 0.78 0.65 0.52 One 13.17Z 201-16 4.35 10.37 1.73 1.44 1.26 1.15 1.03 0.96 0.86 0.72 0.58 One 14.59Z 201-18 4.89 11.61 1.94 1.61 1.41 1.29 1.16 1.08 0.97 0.81 0.65 One 17.42Z 201-20 5.43 12.84 2.14 1.78 1.56 1.43 1.28 1.19 1.07 0.89 0.71 One 20.18Z 201-23 6.25 14.66 2.44 2.04 1.78 1.63 1.46 1.36 1.22 1.02 0.81 One 23.88Z 201-25 6.79 15.86 2.64 2.20 1.92 1.76 1.58 1.47 1.32 1.10 0.88 One 26.30Z 231-16 4.97 12.44 2.07 1.73 1.51 1.38 1.24 1.15 1.04 0.86 0.69 One 17.42Z 231-18 5.60 15.07 2.51 2.09 1.83 1.67 1.50 1.40 1.26 1.05 0.84 One 21.10Z 231-20 6.22 17.73 2.95 2.46 2.15 1.97 1.76 1.64 1.48 1.23 0.98 One 24.82Z 231-23 7.15 21.52 3.59 2.99 2.61 2.39 2.14 1.99 1.79 1.49 1.20 One 30.13Z 231-25 7.77 23.83 3.97 3.31 2.89 2.65 2.37 2.21 1.99 1.65 1.32 One 33.36Z 261-18 6.09 17.32 2.89 2.41 2.10 1.92 1.72 1.60 1.44 1.20 0.96 One 24.25 C 171-25 6.63 9.76 1.50 1.25 1.09 1.00 0.90 0.83 0.75 0.63 0.50 One 21.21C 201-15 4.33 8.72 1.34 1.12 0.98 0.89 0.80 0.75 0.67 0.56 0.45 One 12.44C 201-16 4.62 9.28 1.43 1.19 1.04 0.95 0.85 0.79 0.71 0.59 0.48 One 13.79C 201-18 5.20 10.39 1.60 1.33 1.16 1.07 0.95 0.89 0.80 0.67 0.53 One 16.53C 201-20 5.78 11.49 1.77 1.47 1.29 1.18 1.06 0.98 0.88 0.74 0.59 One 19.22C 201-23 6.64 13.12 2.02 1.68 1.47 1.35 1.21 1.12 1.01 0.84 0.67 One 23.10C 201-25 7.22 14.20 2.18 1.82 1.59 1.46 1.30 1.21 1.09 0.91 0.73 One 25.58C 231-16 5.19 11.66 1.79 1.50 1.31 1.20 1.07 1.00 0.90 0.75 0.60 One 16.33C 231-18 5.84 14.13 2.17 1.81 1.58 1.45 1.30 1.21 1.09 0.91 0.72 One 19.78C 231-20 6.48 16.62 2.56 2.13 1.86 1.70 1.53 1.42 1.28 1.07 0.85 One 23.26C 231-23 7.46 19.37 2.98 2.48 2.17 1.99 1.78 1.66 1.49 1.24 0.99 One 28.39C 231-25 8.11 20.97 3.23 2.69 2.35 2.15 1.93 1.79 1.61 1.34 1.08 One 31.68C 261-18 6.37 16.26 2.50 2.08 1.82 1.67 1.49 1.39 1.25 1.04 0.83 One 22.76C 261-20 7.08 19.24 2.96 2.47 2.15 1.97 1.77 1.64 1.48 1.23 0.99 One 26.93C 261-23 8.14 23.68 3.64 3.04 2.65 2.43 2.17 2.02 1.82 1.52 1.21 One 33.15Z 171-25 6.22 9.27 1.43 1.19 1.04 0.95 0.85 0.79 0.71 0.59 0.48 One 20.09Z 201-15 4.07 8.30 1.28 1.06 0.93 0.85 0.76 0.71 0.64 0.53 0.43 One 12.16Z 201-16 4.35 8.84 1.36 1.13 0.99 0.91 0.81 0.76 0.68 0.57 0.45 One 13.47Z 201-18 4.89 9.89 1.52 1.27 1.11 1.01 0.91 0.85 0.76 0.63 0.51 One 16.08Z 201-20 5.43 10.94 1.68 1.40 1.22 1.12 1.00 0.94 0.84 0.70 0.56 One 18.62Z 201-23 6.25 12.49 1.92 1.60 1.40 1.28 1.15 1.07 0.96 0.80 0.64 One 22.04Z 201-25 6.79 13.52 2.08 1.73 1.51 1.39 1.24 1.16 1.04 0.87 0.69 One 24.28Z 231-16 4.97 11.48 1.77 1.47 1.28 1.18 1.05 0.98 0.88 0.74 0.59 One 16.08Z 231-18 5.60 13.91 2.14 1.78 1.56 1.43 1.28 1.19 1.07 0.89 0.71 One 19.48Z 231-20 6.22 16.36 2.52 2.10 1.83 1.68 1.50 1.40 1.26 1.05 0.84 One 22.91Z 231-23 7.15 18.84 2.90 2.41 2.11 1.93 1.73 1.61 1.45 1.21 0.97 One 27.81Z 231-25 7.77 20.39 3.14 2.61 2.28 2.09 1.87 1.74 1.57 1.31 1.05 One 30.79Z 261-18 6.09 15.99 2.46 2.05 1.79 1.64 1.47 1.37 1.23 1.03 0.82 One 22.39Z 261-20 6.77 18.93 2.91 2.43 2.12 1.94 1.74 1.62 1.46 1.21 0.97 One 26.50Z 261-23 7.78 23.22 3.57 2.98 2.60 2.38 2.13 1.98 1.79 1.49 1.19 One 32.51
Span mm Section kg/m UDL kN/m 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
36
BW Industries - Purlins
8000
7500
Working Loads kN/m2 for Centres mm
7000
Section kg/m UDL kN 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
C 201-20 5.78 9.91 1.42 1.18 1.03 0.94 0.84 0.79 0.71 0.59 0.47 One 17.84C 201-23 6.64 11.32 1.62 1.35 1.18 1.08 0.97 0.90 0.81 0.67 0.54 One 21.45C 201-25 7.22 12.24 1.75 1.46 1.27 1.17 1.04 0.97 0.87 0.73 0.58 One 23.75C 231-16 5.19 10.83 1.55 1.29 1.13 1.03 0.92 0.86 0.77 0.64 0.52 One 15.16C 231-18 5.84 13.12 1.87 1.56 1.36 1.25 1.12 1.04 0.94 0.78 0.62 One 18.37C 231-20 6.48 14.61 2.09 1.74 1.52 1.39 1.25 1.16 1.04 0.87 0.70 One 21.60C 231-23 7.46 16.70 2.39 1.99 1.74 1.59 1.42 1.33 1.19 0.99 0.80 One 26.36C 231-25 8.11 18.08 2.58 2.15 1.88 1.72 1.54 1.43 1.29 1.08 0.86 One 29.42C 261-18 6.37 15.09 2.16 1.80 1.57 1.44 1.29 1.20 1.08 0.90 0.72 One 21.13C 261-20 7.08 17.86 2.55 2.13 1.86 1.70 1.52 1.42 1.28 1.06 0.85 One 25.01C 261-23 8.14 21.98 3.14 2.62 2.28 2.09 1.88 1.74 1.57 1.31 1.05 One 30.78C 261-25 8.85 24.66 3.52 2.94 2.56 2.35 2.10 1.96 1.76 1.47 1.17 One 34.53C 261-29 10.27 28.53 4.08 3.40 2.96 2.72 2.43 2.26 2.04 1.70 1.36 One 41.73Z 201-20 5.43 9.43 1.35 1.12 0.98 0.90 0.80 0.75 0.67 0.56 0.45 One 17.29Z 201-23 6.25 10.77 1.54 1.28 1.12 1.03 0.92 0.85 0.77 0.64 0.51 One 20.47Z 201-25 6.79 11.65 1.66 1.39 1.21 1.11 0.99 0.92 0.83 0.69 0.55 One 22.54Z 231-16 4.97 10.66 1.52 1.27 1.11 1.02 0.91 0.85 0.76 0.63 0.51 One 14.93Z 231-18 5.60 12.84 1.83 1.53 1.33 1.22 1.10 1.02 0.92 0.76 0.61 One 18.08Z 231-20 6.22 14.21 2.03 1.69 1.48 1.35 1.21 1.13 1.02 0.85 0.68 One 21.27Z 231-23 7.15 16.24 2.32 1.93 1.69 1.55 1.39 1.29 1.16 0.97 0.77 One 25.83Z 231-25 7.77 17.58 2.51 2.09 1.83 1.67 1.50 1.40 1.26 1.05 0.84 One 28.59Z 261-18 6.09 14.85 2.12 1.77 1.54 1.41 1.27 1.18 1.06 0.88 0.71 One 20.79Z 261-20 6.77 17.58 2.51 2.09 1.83 1.67 1.50 1.39 1.26 1.05 0.84 One 24.61Z 261-23 7.78 21.56 3.08 2.57 2.24 2.05 1.84 1.71 1.54 1.28 1.03 One 30.18Z 261-25 8.46 23.96 3.42 2.85 2.49 2.28 2.04 1.90 1.71 1.43 1.14 One 33.55Z 261-29 9.81 27.69 3.96 3.30 2.88 2.64 2.36 2.20 1.98 1.65 1.32 One 40.15 C 201-25 7.22 10.66 1.42 1.18 1.03 0.95 0.85 0.79 0.71 0.59 0.47 One 22.17C 231-16 5.19 10.11 1.35 1.12 0.98 0.90 0.80 0.75 0.67 0.56 0.45 One 14.15C 231-18 5.84 11.50 1.53 1.28 1.12 1.02 0.92 0.85 0.77 0.64 0.51 One 17.14C 231-20 6.48 12.73 1.70 1.41 1.23 1.13 1.01 0.94 0.85 0.71 0.57 One 20.16C 231-23 7.46 14.55 1.94 1.62 1.41 1.29 1.16 1.08 0.97 0.81 0.65 One 24.60C 231-25 8.11 15.75 2.10 1.75 1.53 1.40 1.25 1.17 1.05 0.87 0.70 One 27.46C 261-18 6.37 14.09 1.88 1.57 1.37 1.25 1.12 1.04 0.94 0.78 0.63 One 19.72C 261-20 7.08 16.67 2.22 1.85 1.62 1.48 1.33 1.23 1.11 0.93 0.74 One 23.34C 261-23 8.14 19.94 2.66 2.22 1.93 1.77 1.59 1.48 1.33 1.11 0.89 One 28.73C 261-25 8.85 21.59 2.88 2.40 2.09 1.92 1.72 1.60 1.44 1.20 0.96 One 32.22C 261-29 10.27 24.86 3.31 2.76 2.41 2.21 1.98 1.84 1.66 1.38 1.10 One 38.94Z 201-25 6.79 10.15 1.35 1.13 0.98 0.90 0.81 0.75 0.68 0.56 0.45 One 21.04Z 231-16 4.97 9.95 1.33 1.11 0.96 0.88 0.79 0.74 0.66 0.55 0.44 One 13.93Z 231-18 5.60 11.19 1.49 1.24 1.08 0.99 0.89 0.83 0.75 0.62 0.50 One 16.88Z 231-20 6.22 12.38 1.65 1.38 1.20 1.10 0.99 0.92 0.83 0.69 0.55 One 19.85Z 231-23 7.15 14.15 1.89 1.57 1.37 1.26 1.13 1.05 0.94 0.79 0.63 One 24.10Z 231-25 7.77 15.31 2.04 1.70 1.49 1.36 1.22 1.13 1.02 0.85 0.68 One 26.68Z 261-18 6.09 13.86 1.85 1.54 1.34 1.23 1.10 1.03 0.92 0.77 0.62 One 19.40Z 261-20 6.77 16.40 2.19 1.82 1.59 1.46 1.31 1.22 1.09 0.91 0.73 One 22.97Z 261-23 7.78 19.35 2.58 2.15 1.88 1.72 1.54 1.43 1.29 1.08 0.86 One 28.17Z 261-25 8.46 20.95 2.79 2.33 2.03 1.86 1.67 1.55 1.40 1.16 0.93 One 31.31Z 261-29 9.81 24.12 3.22 2.68 2.34 2.14 1.92 1.79 1.61 1.34 1.07 One 37.47 C 231-23 7.46 12.79 1.60 1.33 1.16 1.07 0.95 0.89 0.80 0.67 0.53 Two 23.06C 231-25 8.11 13.84 1.73 1.44 1.26 1.15 1.03 0.96 0.87 0.72 0.58 Two 25.74C 261-18 6.37 13.21 1.65 1.38 1.20 1.10 0.99 0.92 0.83 0.69 0.55 Two 18.49C 261-20 7.08 15.32 1.92 1.60 1.39 1.28 1.14 1.06 0.96 0.80 0.64 Two 21.88C 261-23 8.14 17.52 2.19 1.83 1.59 1.46 1.31 1.22 1.10 0.91 0.73 Two 26.93C 261-25 8.85 18.98 2.37 1.98 1.73 1.58 1.42 1.32 1.19 0.99 0.79 Two 30.21C 261-29 10.27 21.85 2.73 2.28 1.99 1.82 1.63 1.52 1.37 1.14 0.91 Two 36.51Z 231-23 7.15 12.44 1.55 1.30 1.13 1.04 0.93 0.86 0.78 0.65 0.52 Two 22.60Z 231-25 7.77 13.46 1.68 1.40 1.22 1.12 1.00 0.93 0.84 0.70 0.56 Two 25.02Z 261-18 6.09 12.99 1.62 1.35 1.18 1.08 0.97 0.90 0.81 0.68 0.54 Two 18.19Z 261-20 6.77 14.88 1.86 1.55 1.35 1.24 1.11 1.03 0.93 0.77 0.62 Two 21.53Z 261-23 7.78 17.01 2.13 1.77 1.55 1.42 1.27 1.18 1.06 0.89 0.71 Two 26.41Z 261-25 8.46 18.42 2.30 1.92 1.67 1.53 1.37 1.28 1.15 0.96 0.77 Two 29.36Z 261-29 9.81 21.20 2.65 2.21 1.93 1.77 1.58 1.47 1.32 1.10 0.88 Two 35.13
Span mm Section kg/m UDL kN/m 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
Deflection Ratio Span 150
Butted Side Rail Load Tables
37
BW Industries - Purlins
Deflection Ratio Span 150
Butted Side Rail Load Tables
9500
9000
8500
Section kg/m UDL kN 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
Working Loads kN/m2 for Centres mm
C 231-23 7.46 11.33 1.33 1.11 0.97 0.89 0.80 0.74 0.67 0.56 0.44 Two 21.71C 231-25 8.11 12.26 1.44 1.20 1.05 0.96 0.86 0.80 0.72 0.60 0.48 Two 24.23C 261-18 6.37 12.26 1.44 1.20 1.05 0.96 0.86 0.80 0.72 0.60 0.48 Two 17.40C 261-20 7.08 13.57 1.60 1.33 1.16 1.06 0.95 0.89 0.80 0.67 0.53 Two 20.59C 261-23 8.14 15.52 1.83 1.52 1.33 1.22 1.09 1.01 0.91 0.76 0.61 Two 25.35C 261-25 8.85 16.81 1.98 1.65 1.44 1.32 1.18 1.10 0.99 0.82 0.66 Two 28.43C 261-29 10.27 19.35 2.28 1.90 1.66 1.52 1.36 1.26 1.14 0.95 0.76 Two 34.36Z 231-23 7.15 11.02 1.30 1.08 0.94 0.86 0.77 0.72 0.65 0.54 0.43 Two 21.27Z 231-25 7.77 11.92 1.40 1.17 1.02 0.94 0.84 0.78 0.70 0.58 0.47 Two 23.54Z 261-18 6.09 11.90 1.40 1.17 1.02 0.93 0.84 0.78 0.70 0.58 0.47 Two 17.12Z 261-20 6.77 13.18 1.55 1.29 1.13 1.03 0.93 0.86 0.78 0.65 0.52 Two 20.26Z 261-23 7.78 15.07 1.77 1.48 1.29 1.18 1.06 0.98 0.89 0.74 0.59 Two 24.86Z 261-25 8.46 16.31 1.92 1.60 1.40 1.28 1.15 1.07 0.96 0.80 0.64 Two 27.63Z 261-29 9.81 18.78 2.21 1.84 1.61 1.47 1.32 1.23 1.10 0.92 0.74 Two 33.07 C 231-25 8.11 10.94 1.22 1.01 0.88 0.81 0.73 0.68 0.61 0.51 0.41 Two 22.88C 261-18 6.37 10.94 1.22 1.01 0.88 0.81 0.73 0.68 0.61 0.51 0.41 Two 16.44C 261-20 7.08 12.11 1.35 1.12 0.98 0.90 0.80 0.75 0.67 0.56 0.45 Two 19.45C 261-23 8.14 13.85 1.54 1.28 1.12 1.03 0.92 0.85 0.77 0.64 0.51 Two 23.94C 261-25 8.85 14.99 1.67 1.39 1.21 1.11 0.99 0.93 0.83 0.69 0.56 Two 26.85C 261-29 10.27 17.26 1.92 1.60 1.39 1.28 1.15 1.07 0.96 0.80 0.64 Two 32.45C 301-20 8.02 16.58 1.84 1.54 1.34 1.23 1.10 1.02 0.92 0.77 0.61 Two 23.22C 301-23 9.23 20.71 2.30 1.92 1.67 1.53 1.37 1.28 1.15 0.96 0.77 Two 29.04C 301-25 10.03 22.43 2.49 2.08 1.81 1.66 1.49 1.38 1.25 1.04 0.83 Two 32.90C 301-29 11.63 25.85 2.87 2.39 2.09 1.91 1.71 1.60 1.44 1.20 0.96 Two 40.40Z 231-25 7.77 10.64 1.18 0.98 0.86 0.79 0.71 0.66 0.59 0.49 0.39 Two 22.24Z 261-18 6.09 10.62 1.18 0.98 0.86 0.79 0.70 0.66 0.59 0.49 0.39 Two 16.17Z 261-20 6.77 11.75 1.31 1.09 0.95 0.87 0.78 0.73 0.65 0.54 0.44 Two 19.14Z 261-23 7.78 13.44 1.49 1.24 1.09 1.00 0.89 0.83 0.75 0.62 0.50 Two 23.48Z 261-25 8.46 14.55 1.62 1.35 1.18 1.08 0.97 0.90 0.81 0.67 0.54 Two 26.09Z 261-29 9.81 16.75 1.86 1.55 1.35 1.24 1.11 1.03 0.93 0.78 0.62 Two 31.23Z 301-20 7.71 16.34 1.82 1.51 1.32 1.21 1.08 1.01 0.91 0.76 0.61 Two 22.88Z 301-23 8.87 20.16 2.24 1.87 1.63 1.49 1.34 1.24 1.12 0.93 0.75 Two 28.62Z 301-25 9.64 21.84 2.43 2.02 1.77 1.62 1.45 1.35 1.21 1.01 0.81 Two 32.42Z 301-29 11.18 25.17 2.80 2.33 2.03 1.86 1.67 1.55 1.40 1.17 0.93 Two 39.32 C 261-18 6.37 9.82 1.03 0.86 0.75 0.69 0.62 0.57 0.52 0.43 0.34 Two 15.57C 261-20 7.08 10.87 1.14 0.95 0.83 0.76 0.68 0.64 0.57 0.48 0.38 Two 18.43C 261-23 8.14 12.43 1.31 1.09 0.95 0.87 0.78 0.73 0.65 0.55 0.44 Two 22.68C 261-25 8.85 13.46 1.42 1.18 1.03 0.94 0.85 0.79 0.71 0.59 0.47 Two 25.44C 261-29 10.27 15.49 1.63 1.36 1.19 1.09 0.97 0.91 0.82 0.68 0.54 Two 30.75C 301-20 8.02 15.71 1.65 1.38 1.20 1.10 0.99 0.92 0.83 0.69 0.55 Two 22.00C 301-23 9.23 18.58 1.96 1.63 1.42 1.30 1.17 1.09 0.98 0.82 0.65 Two 27.51C 301-25 10.03 20.13 2.12 1.77 1.54 1.41 1.27 1.18 1.06 0.88 0.71 Two 31.17C 301-29 11.63 23.20 2.44 2.03 1.78 1.63 1.46 1.36 1.22 1.02 0.81 Two 38.27C 341-23 10.31 23.02 2.42 2.02 1.76 1.62 1.45 1.35 1.21 1.01 0.81 Two 32.23C 341-25 11.21 26.31 2.77 2.31 2.01 1.85 1.65 1.54 1.38 1.15 0.92 Two 36.83C 341-30 13.45 34.18 3.60 3.00 2.62 2.40 2.15 2.00 1.80 1.50 1.20 Two 48.18Z 261-18 6.09 9.53 1.00 0.84 0.73 0.67 0.60 0.56 0.50 0.42 0.33 Two 15.32Z 261-20 6.77 10.55 1.11 0.93 0.81 0.74 0.66 0.62 0.56 0.46 0.37 Two 18.13Z 261-23 7.78 12.06 1.27 1.06 0.92 0.85 0.76 0.71 0.63 0.53 0.42 Two 22.24Z 261-25 8.46 13.06 1.37 1.15 1.00 0.92 0.82 0.76 0.69 0.57 0.46 Two 24.72Z 261-29 9.81 15.03 1.58 1.32 1.15 1.05 0.94 0.88 0.79 0.66 0.53 Two 29.59Z 301-20 7.71 15.48 1.63 1.36 1.19 1.09 0.97 0.91 0.81 0.68 0.54 Two 21.67Z 301-23 8.87 18.10 1.91 1.59 1.39 1.27 1.14 1.06 0.95 0.79 0.64 Two 27.11Z 301-25 9.64 19.60 2.06 1.72 1.50 1.38 1.23 1.15 1.03 0.86 0.69 Two 30.72Z 301-29 11.18 22.59 2.38 1.98 1.73 1.59 1.42 1.32 1.19 0.99 0.79 Two 37.26Z 341-23 9.95 22.72 2.39 1.99 1.74 1.59 1.43 1.33 1.20 1.00 0.80 Two 31.80Z 341-25 10.81 25.96 2.73 2.28 1.99 1.82 1.63 1.52 1.37 1.14 0.91 Two 36.35Z 341-30 12.98 33.37 3.51 2.93 2.55 2.34 2.10 1.95 1.76 1.46 1.17 Two 47.36
Span mm Section kg/m UDL kN/m 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
38
BW Industries - Purlins
11000
10500
Working Loads kN/m2 for Centres mm
10000
Section kg/m UDL kN 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
C 261-20 7.08 9.81 0.98 0.82 0.71 0.65 0.59 0.54 0.49 0.41 0.33 Two 17.51C 261-23 8.14 11.22 1.12 0.93 0.82 0.75 0.67 0.62 0.56 0.47 0.37 Two 21.54C 261-25 8.85 12.14 1.21 1.01 0.88 0.81 0.73 0.67 0.61 0.51 0.40 Two 24.17C 261-29 10.27 13.98 1.40 1.17 1.02 0.93 0.83 0.78 0.70 0.58 0.47 Two 29.21C 301-20 8.02 14.66 1.47 1.22 1.07 0.98 0.88 0.81 0.73 0.61 0.49 Two 20.90C 301-23 9.23 16.77 1.68 1.40 1.22 1.12 1.00 0.93 0.84 0.70 0.56 Two 26.13C 301-25 10.03 18.17 1.82 1.51 1.32 1.21 1.08 1.01 0.91 0.76 0.61 Two 29.61C 301-29 11.63 20.94 2.09 1.74 1.52 1.40 1.25 1.16 1.05 0.87 0.70 Two 36.36C 341-23 10.31 21.87 2.19 1.82 1.59 1.46 1.31 1.22 1.09 0.91 0.73 Two 30.62C 341-25 11.21 24.99 2.50 2.08 1.82 1.67 1.49 1.39 1.25 1.04 0.83 Two 34.99C 341-30 13.45 30.84 3.08 2.57 2.24 2.06 1.84 1.71 1.54 1.29 1.03 Two 45.77Z 261-20 6.77 9.52 0.95 0.79 0.69 0.63 0.57 0.53 0.48 0.40 0.32 Two 17.22Z 261-23 7.78 10.89 1.09 0.91 0.79 0.73 0.65 0.60 0.54 0.45 0.36 Two 21.13Z 261-25 8.46 11.79 1.18 0.98 0.86 0.79 0.70 0.65 0.59 0.49 0.39 Two 23.49Z 261-29 9.81 13.57 1.36 1.13 0.99 0.90 0.81 0.75 0.68 0.57 0.45 Two 28.11Z 301-20 7.71 14.28 1.43 1.19 1.04 0.95 0.85 0.79 0.71 0.59 0.48 Two 20.59Z 301-23 8.87 16.33 1.63 1.36 1.19 1.09 0.98 0.91 0.82 0.68 0.54 Two 25.76Z 301-25 9.64 17.69 1.77 1.47 1.29 1.18 1.06 0.98 0.88 0.74 0.59 Two 29.18Z 301-29 11.18 20.39 2.04 1.70 1.48 1.36 1.22 1.13 1.02 0.85 0.68 Two 35.39Z 341-23 9.95 21.58 2.16 1.80 1.57 1.44 1.29 1.20 1.08 0.90 0.72 Two 30.21Z 341-25 10.81 24.66 2.47 2.06 1.79 1.64 1.47 1.37 1.23 1.03 0.82 Two 34.53Z 341-30 12.98 30.11 3.01 2.51 2.19 2.01 1.80 1.67 1.51 1.25 1.00 Two 44.99 C 261-23 8.14 10.17 0.97 0.81 0.70 0.65 0.58 0.54 0.48 0.40 0.32 Two 20.52C 261-25 8.85 11.02 1.05 0.87 0.76 0.70 0.63 0.58 0.52 0.44 0.35 Two 23.02C 261-29 10.27 12.68 1.21 1.01 0.88 0.81 0.72 0.67 0.60 0.50 0.40 Two 27.82C 301-20 8.02 13.29 1.27 1.06 0.92 0.84 0.76 0.70 0.63 0.53 0.42 Two 19.90C 301-23 9.23 15.21 1.45 1.21 1.05 0.97 0.86 0.80 0.72 0.60 0.48 Two 24.89C 301-25 10.03 16.48 1.57 1.31 1.14 1.05 0.94 0.87 0.78 0.65 0.52 Two 28.20C 301-29 11.63 18.99 1.81 1.51 1.32 1.21 1.08 1.00 0.90 0.75 0.60 Two 34.63C 341-23 10.31 20.83 1.98 1.65 1.44 1.32 1.18 1.10 0.99 0.83 0.66 Two 29.16C 341-25 11.21 23.49 2.24 1.86 1.63 1.49 1.34 1.24 1.12 0.93 0.75 Two 33.33C 341-30 13.45 27.98 2.66 2.22 1.94 1.78 1.59 1.48 1.33 1.11 0.89 Two 43.59Z 261-23 7.78 9.87 0.94 0.78 0.68 0.63 0.56 0.52 0.47 0.39 0.31 Two 20.12Z 261-25 8.46 10.69 1.02 0.85 0.74 0.68 0.61 0.57 0.51 0.42 0.34 Two 22.37Z 261-29 9.81 12.31 1.17 0.98 0.85 0.78 0.70 0.65 0.59 0.49 0.39 Two 26.77Z 301-20 7.71 12.95 1.23 1.03 0.90 0.82 0.74 0.69 0.62 0.51 0.41 Two 19.61Z 301-23 8.87 14.81 1.41 1.18 1.03 0.94 0.84 0.78 0.71 0.59 0.47 Two 24.53Z 301-25 9.64 16.05 1.53 1.27 1.11 1.02 0.91 0.85 0.76 0.64 0.51 Two 27.79Z 301-29 11.18 18.49 1.76 1.47 1.28 1.17 1.05 0.98 0.88 0.73 0.59 Two 33.71Z 341-23 9.95 20.55 1.96 1.63 1.42 1.30 1.17 1.09 0.98 0.82 0.65 Two 28.77Z 341-25 10.81 22.94 2.18 1.82 1.59 1.46 1.30 1.21 1.09 0.91 0.73 Two 32.89Z 341-30 12.98 27.31 2.60 2.17 1.89 1.73 1.55 1.45 1.30 1.08 0.87 Two 42.85 C 261-25 8.85 10.04 0.91 0.76 0.66 0.61 0.54 0.51 0.46 0.38 0.30 Two 21.97C 261-29 10.27 11.55 1.05 0.88 0.76 0.70 0.63 0.58 0.53 0.44 0.35 Two 26.55C 301-20 8.02 12.11 1.10 0.92 0.80 0.73 0.66 0.61 0.55 0.46 0.37 Two 19.00C 301-23 9.23 13.86 1.26 1.05 0.92 0.84 0.75 0.70 0.63 0.53 0.42 Two 23.76C 301-25 10.03 15.02 1.37 1.14 0.99 0.91 0.81 0.76 0.68 0.57 0.46 Two 26.92C 301-29 11.63 17.30 1.57 1.31 1.14 1.05 0.94 0.87 0.79 0.66 0.52 Two 33.05C 341-23 10.31 19.75 1.80 1.50 1.31 1.20 1.07 1.00 0.90 0.75 0.60 Two 27.84C 341-25 11.21 21.40 1.95 1.62 1.42 1.30 1.16 1.08 0.97 0.81 0.65 Two 31.81C 341-30 13.45 25.49 2.32 1.93 1.69 1.54 1.38 1.29 1.16 0.97 0.77 Two 41.61Z 261-25 8.46 9.74 0.89 0.74 0.64 0.59 0.53 0.49 0.44 0.37 0.30 Two 21.35Z 261-29 9.81 11.21 1.02 0.85 0.74 0.68 0.61 0.57 0.51 0.42 0.34 Two 25.55Z 301-20 7.71 11.80 1.07 0.89 0.78 0.72 0.64 0.60 0.54 0.45 0.36 Two 18.72Z 301-23 8.87 13.50 1.23 1.02 0.89 0.82 0.73 0.68 0.61 0.51 0.41 Two 23.42Z 301-25 9.64 14.62 1.33 1.11 0.97 0.89 0.79 0.74 0.66 0.55 0.44 Two 26.53Z 301-29 11.18 16.85 1.53 1.28 1.11 1.02 0.91 0.85 0.77 0.64 0.51 Two 32.17Z 341-23 9.95 19.28 1.75 1.46 1.28 1.17 1.05 0.97 0.88 0.73 0.58 Two 27.47Z 341-25 10.81 20.90 1.90 1.58 1.38 1.27 1.13 1.06 0.95 0.79 0.63 Two 31.39Z 341-30 12.98 24.89 2.26 1.89 1.65 1.51 1.35 1.26 1.13 0.94 0.75 Two 40.90
Span mm Section kg/m UDL kN/m 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
Butted Side Rail Load Tables
Deflection Ratio Span 150
3�
BW Industries - Purlins
Deflection Ratio Span 150
Butted Side Rail Load Tables
13000
12500
12000
11500
Section kg/m UDL kN 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
Working Loads kN/m2 for Centres mm
C 261-29 10.27 10.57 0.92 0.77 0.67 0.61 0.55 0.51 0.46 0.38 0.31 Two 25.40C 301-20 8.02 11.08 0.96 0.80 0.70 0.64 0.58 0.54 0.48 0.40 0.32 Two 18.17C 301-23 9.23 12.68 1.10 0.92 0.80 0.74 0.66 0.61 0.55 0.46 0.37 Two 22.73C 301-25 10.03 13.74 1.19 1.00 0.87 0.80 0.71 0.66 0.60 0.50 0.40 Two 25.75C 301-29 11.63 15.83 1.38 1.15 1.00 0.92 0.82 0.76 0.69 0.57 0.46 Two 31.62C 341-23 10.31 18.07 1.57 1.31 1.14 1.05 0.94 0.87 0.79 0.65 0.52 Two 26.63C 341-25 11.21 19.58 1.70 1.42 1.24 1.14 1.02 0.95 0.85 0.71 0.57 Two 30.43C 341-30 13.45 23.32 2.03 1.69 1.47 1.35 1.21 1.13 1.01 0.85 0.68 Two 39.80Z 261-29 9.81 10.26 0.89 0.74 0.65 0.59 0.53 0.50 0.45 0.37 0.30 Two 24.44Z 301-20 7.71 10.79 0.94 0.78 0.68 0.63 0.56 0.52 0.47 0.39 0.31 Two 17.90Z 301-23 8.87 12.35 1.07 0.89 0.78 0.72 0.64 0.60 0.54 0.45 0.36 Two 22.40Z 301-25 9.64 13.38 1.16 0.97 0.85 0.78 0.69 0.65 0.58 0.48 0.39 Two 25.38Z 301-29 11.18 15.41 1.34 1.12 0.97 0.89 0.80 0.74 0.67 0.56 0.45 Two 30.78Z 341-23 9.95 17.64 1.53 1.28 1.12 1.02 0.92 0.85 0.77 0.64 0.51 Two 26.27Z 341-25 10.81 19.12 1.66 1.39 1.21 1.11 0.99 0.92 0.83 0.69 0.55 Two 30.03Z 341-30 12.98 22.77 1.98 1.65 1.44 1.32 1.18 1.10 0.99 0.83 0.66 Two 39.12 C 301-20 8.02 10.18 0.85 0.71 0.62 0.57 0.51 0.47 0.42 0.35 0.28 Two 17.41C 301-23 9.23 11.65 0.97 0.81 0.71 0.65 0.58 0.54 0.49 0.40 0.32 Two 21.78C 301-25 10.03 12.62 1.05 0.88 0.76 0.70 0.63 0.58 0.53 0.44 0.35 Two 24.67C 301-29 11.63 14.54 1.21 1.01 0.88 0.81 0.72 0.67 0.61 0.50 0.40 Two 30.30C 341-23 10.31 16.60 1.38 1.15 1.01 0.92 0.83 0.77 0.69 0.58 0.46 Two 25.52C 341-25 11.21 17.98 1.50 1.25 1.09 1.00 0.89 0.83 0.75 0.62 0.50 Two 29.16C 341-30 13.45 21.42 1.78 1.49 1.30 1.19 1.07 0.99 0.89 0.74 0.59 Two 38.14Z 301-20 7.71 9.91 0.83 0.69 0.60 0.55 0.49 0.46 0.41 0.34 0.28 Two 17.16Z 301-23 8.87 11.34 0.95 0.79 0.69 0.63 0.56 0.53 0.47 0.39 0.32 Two 21.46Z 301-25 9.64 12.29 1.02 0.85 0.74 0.68 0.61 0.57 0.51 0.43 0.34 Two 24.32Z 301-29 11.18 14.16 1.18 0.98 0.86 0.79 0.70 0.66 0.59 0.49 0.39 Two 29.49Z 341-23 9.95 16.20 1.35 1.13 0.98 0.90 0.81 0.75 0.68 0.56 0.45 Two 25.18Z 341-25 10.81 17.56 1.46 1.22 1.06 0.98 0.87 0.81 0.73 0.61 0.49 Two 28.78Z 341-30 12.98 20.91 1.74 1.45 1.27 1.16 1.04 0.97 0.87 0.73 0.58 Two 37.49 C 301-23 9.23 10.73 0.86 0.72 0.62 0.57 0.51 0.48 0.43 0.36 0.29 Two 20.91C 301-25 10.03 11.63 0.93 0.78 0.68 0.62 0.56 0.52 0.47 0.39 0.31 Two 23.69C 301-29 11.63 13.40 1.07 0.89 0.78 0.71 0.64 0.60 0.54 0.45 0.36 Two 29.09C 341-23 10.31 15.29 1.22 1.02 0.89 0.82 0.73 0.68 0.61 0.51 0.41 Two 24.50C 341-25 11.21 16.57 1.33 1.10 0.96 0.88 0.79 0.74 0.66 0.55 0.44 Two 27.99C 341-30 13.45 19.74 1.58 1.32 1.15 1.05 0.94 0.88 0.79 0.66 0.53 Two 36.62Z 301-23 8.87 10.45 0.84 0.70 0.61 0.56 0.50 0.46 0.42 0.35 0.28 Two 20.61Z 301-25 9.64 11.32 0.91 0.75 0.66 0.60 0.54 0.50 0.45 0.38 0.30 Two 23.35Z 301-29 11.18 13.05 1.04 0.87 0.76 0.70 0.62 0.58 0.52 0.43 0.35 Two 28.31Z 341-23 9.95 14.93 1.19 1.00 0.87 0.80 0.71 0.66 0.60 0.50 0.40 Two 24.17Z 341-25 10.81 16.18 1.29 1.08 0.94 0.86 0.77 0.72 0.65 0.54 0.43 Two 27.62Z 341-30 12.98 19.27 1.54 1.28 1.12 1.03 0.92 0.86 0.77 0.64 0.51 Two 35.99 C 301-25 10.03 10.75 0.83 0.69 0.60 0.55 0.49 0.46 0.41 0.34 0.28 Two 22.78C 301-29 11.63 12.39 0.95 0.79 0.69 0.64 0.57 0.53 0.48 0.40 0.32 Two 27.97C 341-23 10.31 14.14 1.09 0.91 0.79 0.73 0.65 0.60 0.54 0.45 0.36 Two 23.55C 341-25 11.21 15.32 1.18 0.98 0.86 0.79 0.70 0.65 0.59 0.49 0.39 Two 26.92C 341-30 13.45 18.25 1.40 1.17 1.02 0.94 0.84 0.78 0.70 0.58 0.47 Two 35.21Z 301-25 9.64 10.47 0.81 0.67 0.59 0.54 0.48 0.45 0.40 0.34 0.27 Two 22.45Z 301-29 11.18 12.06 0.93 0.77 0.67 0.62 0.55 0.52 0.46 0.39 0.31 Two 27.22Z 341-23 9.95 13.81 1.06 0.89 0.77 0.71 0.63 0.59 0.53 0.44 0.35 Two 23.24Z 341-25 10.81 14.96 1.15 0.96 0.84 0.77 0.69 0.64 0.58 0.48 0.38 Two 26.56Z 341-30 12.98 17.82 1.37 1.14 1.00 0.91 0.82 0.76 0.69 0.57 0.46 Two 34.61
Span mm Section kg/m UDL kN/m 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
40
BW Industries - Purlins
15000
14500
14000
Working Loads kN/m2 for Centres mm
13500
Section kg/m UDL kN 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
C 301-29 11.63 11.49 0.85 0.71 0.62 0.57 0.51 0.47 0.43 0.35 0.28 Two 26.93C 341-23 10.31 13.11 0.97 0.81 0.71 0.65 0.58 0.54 0.49 0.40 0.32 Two 22.68C 341-25 11.21 14.21 1.05 0.88 0.77 0.70 0.63 0.58 0.53 0.44 0.35 Two 25.92C 341-30 13.45 16.92 1.25 1.04 0.91 0.84 0.75 0.70 0.63 0.52 0.42 Two 33.91Z 301-29 11.18 11.19 0.83 0.69 0.60 0.55 0.49 0.46 0.41 0.35 0.28 Two 26.22Z 341-23 9.95 12.80 0.95 0.79 0.69 0.63 0.57 0.53 0.47 0.40 0.32 Two 22.38Z 341-25 10.81 13.87 1.03 0.86 0.75 0.69 0.61 0.57 0.51 0.43 0.34 Two 25.58Z 341-30 12.98 16.52 1.22 1.02 0.89 0.82 0.73 0.68 0.61 0.51 0.41 Two 33.33 C 341-23 10.31 12.19 0.87 0.73 0.63 0.58 0.52 0.48 0.44 0.36 0.29 Two 21.87C 341-25 11.21 13.21 0.94 0.79 0.69 0.63 0.56 0.52 0.47 0.39 0.31 Two 24.99C 341-30 13.45 15.74 1.12 0.94 0.82 0.75 0.67 0.62 0.56 0.47 0.37 Two 32.70Z 341-23 9.95 11.91 0.85 0.71 0.62 0.57 0.51 0.47 0.43 0.35 0.28 Two 21.58Z 341-25 10.81 12.90 0.92 0.77 0.67 0.61 0.55 0.51 0.46 0.38 0.31 Two 24.66Z 341-30 12.98 15.36 1.10 0.91 0.80 0.73 0.66 0.61 0.55 0.46 0.37 Two 32.14 C 341-23 10.31 11.37 0.78 0.65 0.57 0.52 0.47 0.44 0.39 0.33 0.26 Two 21.12C 341-25 11.21 12.32 0.85 0.71 0.62 0.57 0.51 0.47 0.42 0.35 0.28 Two 24.13C 341-30 13.45 14.67 1.01 0.84 0.74 0.67 0.60 0.56 0.51 0.42 0.34 Two 31.57Z 341-23 9.95 11.10 0.77 0.64 0.56 0.51 0.46 0.43 0.38 0.32 0.26 Two 20.84Z 341-25 10.81 12.03 0.83 0.69 0.60 0.55 0.50 0.46 0.41 0.35 0.28 Two 23.81Z 341-30 12.98 14.32 0.99 0.82 0.72 0.66 0.59 0.55 0.49 0.41 0.33 Two 31.03 C 341-23 10.31 10.62 0.71 0.59 0.51 0.47 0.42 0.39 0.35 0.30 0.24 Two 20.41C 341-25 11.21 11.51 0.77 0.64 0.56 0.51 0.46 0.43 0.38 0.32 0.26 Two 23.33C 341-30 13.45 13.71 0.91 0.76 0.66 0.61 0.55 0.51 0.46 0.38 0.30 Two 30.52Z 341-23 9.95 10.37 0.69 0.58 0.50 0.46 0.41 0.38 0.35 0.29 0.23 Two 20.14Z 341-25 10.81 11.24 0.75 0.62 0.54 0.50 0.45 0.42 0.37 0.31 0.25 Two 23.02Z 341-30 12.98 13.38 0.89 0.74 0.65 0.59 0.53 0.50 0.45 0.37 0.30 Two 30.00
Span mm Section kg/m UDL kN/m 1000 1200 1375 1500 1675 1800 2000 2400 3000 Anti Sag Ultimate kN
Deflection Ratio Span 150
Butted Side Rail Load Tables
41
BW Industries - Purlins
STEEL CLADDING
thickness mm kg/m2 kn/m2
0.30 3.1 0.030
0.40 3.6 0.035
0.50 4.8 0.047
0.55 5.5 0.054
0.60 6.2 0.061
0.70 7.1 0.070
STEEL LINER PANELS
thickness mm kg/m2 kn/m2
0.4 4.00 0.040
0.45 4.60 0.046
FIBRE CEMENT/ASBESTOS (SINGLE SKIN)
kg/m2 kn/m2
Standard three 14.70 0.145
Standard six 16.00 0.157
Profile 6m 17.00 0.167
FIBRE CEMENT/ASBESTOS (DOUBLE SKIN)
kg/m2 kn/m2
Profile 6* 30.00 0.295
Profile 6* 32.00 0.314
Panel sheet* 27.08 0.273
*Including insulation & battens
SLATE ROOF TILES
Weights shown are ‘as laid’ kg/m2 kn/m2
400 X 200 20.64 0.202
500 X 250 20.38 0.199
600 X 300 19.98 0.196
Concrete tiles 67.00 0.670
COMPOSITE CLADDING
sheet mm foam mm kg/m2 kn/m2
0.55 28 9.67 0.095
0.55 46 10.30 0.101
0.70 28 11.02 0.109
0.70 46 11.65 0.115
ALUMINIUM
thickness mm kg/m2 kn/m2
0.55 1.86 0.019
0.70 2.37 0.024
0.90 3.05 0.030
1.20 4.07 0.040
NON-RESTRAINING CLADDING
thickness mm kg/m2 kn/m2
Steel 0.6 7.0 0.069
Steel 0.7 8.1 0.080
Steel 0.8 9.2 0.091
Aluminium 0.9 3.5 0.035
OVER PURLIN LININGS
thickness mm kg/m2 kn/m2
Glass wool 60 0.70 0.007
Glass wool 80 0.90 0.009
Aeroliner 30 1.55 0.016
Aeroliner 50 2.20 0.022
Plaster board 10 8.26 0.087
Plaster board 12 11.22 0.110
Fibre board 12 4.38 0.043
Fibre insulating
board 10 7.85 0.077
The weights shown are for general guidance and confirmation of weights of cladding materials should be obtained from the supplier.
Useful Cladding Weights
3232
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100
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BW®
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BW
® R
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All
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All
Dim
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in M
illim
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Plea
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1
2mm
STU
D T
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BE
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No.
BE
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M
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No.
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s D
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BE
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55
60
* ∞55 60
3232
70TO
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SPAN
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. OF
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S/W
K (3
mm
GAP
REQ
D. E
ACH
JOIN
T EN
D)(e
g. F
OR J
OINT
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D O/
A LG
TH =
SPA
N CT
RS L
ESS
6mm
)
BW®
IND
US
TR
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De
tail
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Eave
s B
ea
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Clie
nt:
BW
® R
ef.
No
: E
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/ TH
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x 1
0
Co
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Ord
er
No
:
DR
W N
o:
of
Date
:
DR
N:
All
dim
ensi
ons
in m
illim
etre
s p
leas
eH
ole
s 18
Ø U
.N.O
.
No.
BE
AM
S a
s D
RA
WN
M
AR
K
No.
BE
AM
S O
PP.
HA
ND
M
AR
K
WE
B H
OLE
S
PLA
IN H
OLE
S
CO
UN
TE
RFO
RM
ED
We reserve the right to alter and amend specifications shown at any time without prior notice. All dimensions are nominal. Care has been taken that the contents of this publication are accurate. However B.W. Industries Ltd. and its associated companies do not accept responsibility for errors or information found to be misleading and accept no liabilities whatsoever in respect thereof. The contents of this publication are meant as a general introduction to our products and any purchaser, specifier or user retains the entire responsibility for satisfying himself, independently of anything herein, as to the suitability or fitness for purpose of any B.W. Industries Ltd. products, services or systems. Our normal terms & conditions of business apply to any order (A copy will be supplied upon request.)
BW INDUSTRIES
Carnaby Industrial Estate | Carnaby | Bridlington | East Yorks | YO15 3QY
Phone 01262 400088 | Fax 01262 401110
E-mail [email protected] | Website www.bw-industries.co.uk
Mezzanine Sections
Sections for Floors, Buildings and Modular Frames including the Building W izard software
Framing
Sections for Framing & Partitioning (Studding & Tracking)
General Services
Company profile and plant list
Punching & Notching
Punching & notching of flat sheet or roll formed components to 6mm thick
Laser Cutting
Laser cutting components to 9 metres long 3 metres wide
Mezzanine SectionsFloor Beams & Ceiling Joists
BW®
INDUSTRIES
making steelwork
Software
General Services
BW®
INDUSTRIES
making steelwork
■ Pressforming & Shearing■ Punching & Notching
■ Rollforming & Custom Rollforming■ Fabrication & Assembly
■ Laser Cutting
FramingSections for Framing & Partitioning
BW®
INDUSTRIES
making steelwork
Punching & Notching
BW®
INDUSTRIES
making steelwork
BW ® depth of resources include two continuous feed computer controlled punching stations and a CNC Turrett Punch Press, allowing for
the punching and notching of fl at sheets and cold formed sections to 6mm thick.
These provide the highest possible accuracy available in todays market and allows for any shape hole, in any number to any position.
A comprehensive range of tooling enables punching and notching of almost any size, shape or gauge to any product.
NEW PIC?
NEW PIC?
Laser Cutting
BW®
INDUSTRIES
making steelwork
BW ® continue to be at the
cutting edge of technology with our 9 metre long x 3 metre wide
laser cutting facility
This fast and accurate machine, combined with a very large work area allows high quality cutting of any shape component, giving volume productivity at minimal cost.
■ Probably the longest single bed length in the UK (not shuttle tables) which offers unrivalled fl at bed length and fl exibility featuring:
■ Local Work Area For small sheet sizes
■ Long Work Area For longer plate and sheet
■ Split Work Area Different sizes of plate or sheet in length, width and gauge.
■ 3Kw of Laser Power
■ Speed and accuracy ■ Mild Steel to 20mm
■ Stainless Steel to 12mm ■ Aluminium to 8mm
■ Cad/Cam
■ 2D Cad/Cam with automatic ‘nesting’ for excellent repeatability and minimal scrap
Other Brochures Available
SELBY
KINGSTON UPON HULL
POCKLINGTON
BRIDLINGTON
DRIFFIELD
MALTON
BEVERLEY
CARNABY
KINGSTON UPON HULL
BRIDLINGTON
DRIFFIELD
BEVERLEY
CARNABY
SELBY
YORKYORK
POCKLINGTON
MALTON
A64
A166
B1246A1079
A1079
A166
A163
A614
M62
B1248
B1249
A165
A165
A164
A1035
B1242
B1249
B1248
A19
A64
A63
A1041
BWINDUSTRIES