Airflow Dampers En
Transcript of Airflow Dampers En
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Halton air flow damper range
PRA PTS RMC UTK UTS UTT
Nominal size 1001000 100...500 100400 100x100
24002400
100x100
24002400
100x100
24002400
Tightness in shut-off
operation
- PTS/A
Class 4
EN 1751
Class1
EN 1751
Class 2
EN 1751
Class 4
EN 1751
Tightness of the
casing
Class C
EN 1751
Class C
EN 1751
Class B
EN 1751
Class B
EN 1751
Class B
EN 1751
Operation conditions ...100C,
(UTK/H,J
...200C)
-
...100C,
(UTS/H,J
...200C)
-
...100C,
(UTT/H,J
...200C)
-
Adjustment X X X - X X
Measurement X - - - - -
Material options AISI 316 AISI 316 AISI 316
Other Information RMC/I
Casing
insulation
50 mm
UTK/I
Casing
insulation
20 mm
UTS/I
Casing
insulation
20 mm
UTT/I
Casing
insulation
20 mm
Air flow dampers
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PRA - Adjustment And Measurement Unit
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PRA
Adjustment And Measurement Unit
Airflow balancing, adjustment and measurement
unit
Manual adjustment, no tools required
Accurate airflow measurement based on
flow nozzle principle
Minimised sound generation due to conical
adjustment section
Temperature operation range from -30 C to +70 C
Self-locking adjustment mechanism, position can
be ensured with locking screw
Duct cleaning enabled through the unit up to
size 315
Adjustment position marker indicates
proper position e.g. repositioning after cleaning
Inlet and outlet spigots equipped with integral
rubber gaskets
Application option as supply air jet nozzle for air
diffusion in large spaces
Classification of casing leakage EN 1751 class C
Product Models
PRA -unit (PRA/R) integrated with cleaning access
panel. RLA enables removal of the adjustment
damper and access to ductwork for cleaning.
MATERIAL
PART MATERIAL NOTE
Casing Galvanised steel
Blades Galvanised steel
Operating
mechanism
ABS and PBT plastic Sizes 100...315
Operating
mechanism Steel Sizes 350...1000
Duct gaskets 1C-polyurethane
hybrid
Measurement taps Polyurethane (PU)
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D
7036
142
57
D
39 114
195
H
PRA 100...315
NS D
100 99
125 124
160 159
200 199
250 249
315 314
PRA 350...1000
NS D H
350 349 70
400 399 70
500 499 70
630 629 70
800 799 70
1000 999 85
20/PRA/3500/0606/EN
PRA - Adjustment And Measurement Unit
DIMENSIONS
QUICK SELECTION
D qmin qmax
[mm] [l/s] [m3/h] [l/s ] [m3/h]
100 8 28 47 170
125 12 44 74 265
160 20 72 121 434
200 31 113 188 679
250 49 177 295 1060
315 78 281 468 1683
350 96 346 577 2078
400 126 452 754 2714
500 196 707 1178 4241
630 312 1122 1870 6733
800 503 1810 3016 10857
1000 785 2827 4712 16965
qmin 1 m/s duct velocity
qmax 6 m/s duct velocity - recommended maximum
airflow for comfort applications
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PRA - Adjustment And Measurement Unit
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Function
The airflow rate is adjusted by turning the adjustment
knob in order to change the aperture size of the
adjustment cone formed by iris blades. Once the
opening area is reduced, the airflow rate decreases
and the total pressure loss caused by the device
increases.
The airflow can be determined by measuring the
differential pressure in the measurement taps.
PRA 100315
The operating mechanism is positioned partly outside
the device and between the adjustment cone and
casing. The unit can be cleaned with normal duct
sweeping equipment when the device is fully opened.
PRA 4001000The operating mechanism is located partly outside the
device and inside the adjustment cone. The device can
be cleaned with normal duct sweeping equipment,
when the device is fully opened and the cleaning
equipment is passed carefully through the operating
mechanism.
Supply air jet nozzle PRA/S
The PRA-unit can also be used as a supply air nozzle
in e.g. industrial spaces. Refer to the technical data for
PRA/S -model presented in the technical performance
chapter.
Installation
Sizes 100...315
CODE DESCRIPTION
1 Air flow direction indicator
2 Adjustment knob
3 Locking screw of adjustment Position
4 Adjustment position indicator
5 Adjustment position marker for Cleaning
6 Adjustment scale
7 Measurement taps
Sizes 350...1000
CODE DESCRIPTION
1 Adjustment position indicator
2 Adjustment knob
3 Measurement taps
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1
3
5
7
8
2
4
6
8
20/PRA/3500/0606/EN
PRA - Adjustment And Measurement Unit
Installation
Fix the damper to the ductwork e.g. with rivets.
Ensure that the rivet does not prevent the operation of
the PRA. The position of the rivet must be at least 10
mm from the duct end.
The PRA iris damper shall be installed in the ductwork
taking into account the safety distances outlined in
the installation guidelines. Safety distances are not
required next to duct transitions between only one
nominal duct size.
The orientation of the unit shall correspond to the
airflow direction. The airflow direction is marked with
an arrow indicator on the label on the casing. In order
to get accurate measurement readings the orientation
of the unit shall be selected so that the location of the
measurement taps (below the knob) corresponds tothe installation guidelines.
Safety distances
Recommended safety distance in order to get
accurate measurement readings are presented in the
figure below.
Direct duct with no flow disturbances
- safety distance 4 D upflow of the PRA unit
- safety distance 1 D downflow of the PRA unit
In cases where recommended safety distances cannot
be met, use the correction factors of the attached
figures for determination of the airflow rate.
Note the position of the measurement taps marked in
the figures.
F igure Insta llat ion case Duct velocity upflow of the pra unit K -factor
1 Recommended safety distance 1
2 T-branch, supply air 0.95 (1D) ...1.00 (4D)
3 T-branch, exhaust air > 2 m/s 1 2 m/s 0.95 (1D) ...1.00 (4D) 0.90 (1D) ...1.00 (4D)
4 90 bend 0.97 (0D) ...1.00 (4D)
5 T-branch 1
6 90 bend 1
7 Upflow of a supply air device 1
8 T-branch 1
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q = k pv m*
PRA - Adjustment And Measurement Unit
20/PRA/3500/0606/EN
PRA 160, k-factor
Opening a qv l/s qv m3/h qv cfm
1 4,1 14,8 137,1
1.5 4,7 16,9 157,2
2 5,5 19,8 183,9
2.5 6,4 23,0 214,0
3 7,6 27,4 254,1
3.5 9 32,4 300,9
4 10,6 38,2 354,4
4.5 12,6 45,4 421,3
5 15 54,0 501,6
5.5 18,2 65,5 608,6
6 22,9 82,4 765,7
Airflow (qv) diffrential pressure (Dpm) [Pa]
PRA 100, k-factor
Opening a qv l/s qv m3/h qv cfm
1 1.8 6.5 60.2
1.5 2.1 7.6 70.2
2 2.4 8.6 80.3
2.5 2.7 9.7 90.3
3 3.1 11.2 103.7
3.5 3.6 13.0 120.4
4 4.1 14.8 137.1
4.5 4.7 16.9 157.2
5 5.5 19.8 183.9
5.5 6.4 23.0 214.0
6 7.8 28.1 260.8
PRA 125, k-factor
Opening a qv l/s qv m3/h qv cfm
1 2,5 9,0 83.6
1.5 2.9 10,4 97,0
2 3,3 11,9 110,3
2.5 3,8 13,7 127,1
3 4,4 15,8 147,1
3.5 5 18,0 167,2
4 5,9 21,2 197,3
4.5 6,8 24,5 227,4
5 7,9 28,4 264,2
5.5 9,5 34,2 317,7
6 11,6 41,8 387,9
PRA 200, k-factor
Opening a qv l/s qv m3/h qv cfm
1 7,1 25,6 237,4
1.5 8 28,8 267,5
2 8,8 31,7 294,3
2.5 10 36,0 334,4
3 11,4 41,0 381,2
3.5 13,1 47,2 438,0
4 15,1 54,4 504,9
4.5 17,5 63,0 585,2
5 20,5 73,8 685,5
5.5 24,2 87,1 809,2
6 29 104,4 969,7
Adjustment
Set the adjustment knob in the desired adjustment
position (pre-set position if available).
The airflow rate is determined by measuring the
differential pressure in measurement tabs using a
manometer.
The flow rate is calculated using the formula below.
K-factor is retrieved in both the tables presented
below and in installation guidelines. K-factor depends
on the unit size and adjustment position (a).
Note that when recommended safety distances are
not met, the correction factors for the installation case
shall be used.
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PRA - Adjustment And Measurement Unit
PRA 250, k-factor
Opening a qv l/s qv m3/h qv cfm
1 10,5 37,8 351,1
1.5 11,9 42,8 397,9
2 13,8 49,7 461,4
2.5 16,1 58,0 538,3
3 18,9 68,0 632,0
3.5 22 79,2 735,6
4 25,6 92,2 856,0
4.5 30,1 108,4 1006,5
5 35,8 128,9 1197,1
5.5 42,9 154,4 1434,5
6 52,8 190,1 1765,5
PRA 315, k-factor
Opening a qv l/s qv m3/h qv cfm
1 18,3 65,9 611,9
1.5 21,8 78,5 728,9
2 26 93,6 869,4
2.5 30,7 110,5 1026,5
3 36,5 131,4 1220,5
3.5 43,3 155,9 1447,8
4 51,3 184,7 1715,3
4.5 61,5 221,4 2056,4
5 74,3 267,5 2484,4
5.5 92,6 333,4 3096,3
6 120,2 306,0 4019,2
PRA 350, k-factor
Opening a qv l/s qv m3/h qv cfm
1 17,6 63,4 588,5
2 24,3 87,5 812,5
3 35,2 126,7 1177,0
4 50 80,0 1671,9
5 71,6 257,8 2394,1
6 99 356, 3310,3
PRA 400, k-factor
Opening a qv l/s qv m3/h qv cfm
1 20,5 73,8 685,5
2 26,5 95,4 886,1
3 36,5 131,4 1220,5
4 55 198,0 1839,1
5 86 309,6 2875,6
6 137 493,2 4581
PRA 500, k-factor
Opening a qv l/s qv m3/h qv cfm
1 27,5 99,0 919,5
2 39 140,4 1304,1
3 59 212,4 1972,8
4 86 309,6 2875,6
5 123 442,8 4112,8
6 175 630 5851,6
PRA 630, k-factor
Opening a qv l/s qv m3/h qv cfm
1 65 234,0 2173,4
2 90 324,0 3009,4
3 115 414,0 3845,3
4 154 554,4 5149,4
5 202 727,2 6754,4
6 295 954 8861
PRA 1000, k-factor,
Opening a qv l/s qv m3/h qv cfm
1 144 518,4 4815,0
2 220 792,0 7356,3
3 310 116,0 10365,7
4 440 1584,0 14712,5
5 620 2232,0 20731,3
6 890 3204,0 29759,5
PRA 800, k-factor
Opening a qv l/s qv m3/h qv cfm
1 98 273,3 3276,9
2 137 382,0 4581,0
3 198 552,1 6620,6
4 280 780,8 9362,5
5 393 1095,9 13141,0
6 570 1589,5 19059,4
Airflow (qv) diffrential pressure (Dpm) [Pa]
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PRA-100 PRA-125
PRA-160 PRA-200
PRA - Adjustment And Measurement Unit
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Pressure drop and sound data
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PRA-250 PRA-315
PRA-400 PRA-500
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PRA - Adjustment And Measurement Unit
Pressure drop and sound data
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PRA-630 PRA-800
PRA-1000
PRA - Adjustment And Measurement Unit
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Pressure drop and sound data
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PRA/S-100 PRA/S-125
PRA/S-160 PRA/S-200
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PRA - Adjustment And Measurement Unit
Supply air jet nozzle; PRA/S
Pressure drop, flow pattern and sound data
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PRA/S-250 PRA/S-315
PRA - Adjustment And Measurement Unit
20/PRA/3500/0606/EN
Supply air jet nozzle; PRA/S
Pressure drop, flow pattern and sound data
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100 Pa qv v F (Hz) LpA NR
( l/ s) (m3/h) m/ s 63 125 250 5 00 10 00 200 0 4 00 0 8 00 0 dB(A)
100 20 72 2,5 36 37 36 37 38 38 34 27 38 37
36 130 4,6 37 42 41 42 41 41 37 29 41 40
50 180 6,4 38 45 45 45 45 45 42 35 45 44
125 51 184 4,2 40 40 41 37 32 32 27 19 33 31
72 259 5,9 40 42 43 41 37 38 34 25 39 38
102 367 8,3 42 45 48 46 43 46 44 32 46 45160 45 162 2,2 41 38 34 31 28 28 25 13 29 27
90 324 4,5 44 43 40 38 35 36 32 23 37 35
133 479 6,6 45 45 44 42 41 43 37 29 43 42
134 482 4,3 42 42 40 36 36 39 35 25 39 38
188 677 6,0 44 44 42 39 40 43 39 30 43 42
281 1012 8,9 47 49 48 46 50 51 49 37 52 50
250 199 716 4,1 42 42 40 35 38 37 30 21 38 36
292 1051 6,0 46 46 44 40 43 43 37 27 43 42
475 1710 9,7 49 50 50 48 52 52 50 35 53 51
315 259 932 3,3 45 40 36 31 31 28 23 13 31 27
385 1386 4,9 46 44 40 37 38 34 28 19 37 34
613 2207 7,9 47 49 46 44 47 45 40 27 47 44
400 248 893 2,0 37 36 35 36 33 29 20 36 33
466 1678 3,7 39 38 37 38 35 31 22 38 34
1314 4730 10,5 52 51 50 51 48 44 35 51 47
500 318 1145 1,6 40 39 41 40 36 29 17 39 36
791 2848 4,0 44 43 45 44 40 33 21 44 403004 10814 15,3 65 64 66 65 61 54 42 65 61
630 763 2747 2,4 44 41 41 39 37 31 21 40 36
1562 5623 5,0 47 44 44 42 40 34 24 43 39
4438 15977 14,2 64 61 61 59 57 51 41 60 56
800 1195 4302 2,4 46 43 43 41 39 33 23 42 38
2548 9173 5,1 49 46 46 44 42 36 26 45 41
9493 34175 18,9 70 67 67 65 63 57 47 66 62
1000 1739 6260 2,2 49 44 44 42 40 34 24 43 39
4030 14508 5,1 52 47 47 45 43 37 27 46 42
15000 54000 19,1 71 66 66 64 62 56 46 65 61
250 Pa qv v F (Hz) LpA NR
( l/ s) (m3/h) m/s 63 125 2 50 50 0 100 0 200 0 4 000 800 0 d B(A)
100 31 112 3,9 38 47 46 46 47 50 49 47 51 49
43 155 5,5 39 48 48 49 50 50 51 48 52 51
58 209 7,4 40 51 50 51 53 54 54 50 55 54
125 42 151 3,4 43 47 48 45 41 40 40 37 43 41
58 209 4,7 46 47 49 46 42 41 42 39 44 42
113 407 9,2 45 52 53 52 50 53 53 49 54 54160 71 256 3,5 46 50 46 43 40 40 41 37 43 42
97 349 4,8 47 50 47 44 42 42 46 41 46 46
142 511 7,1 47 53 50 48 48 49 51 47 52 51
117 421 3,7 50 51 50 46 44 45 45 43 47 46
158 569 5,0 49 51 51 47 44 46 50 45 50 50
212 763 6,8 50 53 53 49 46 49 52 48 52 53
250 163 587 3,3 47 50 51 47 46 51 48 39 51 50
223 803 4,5 49 52 51 48 46 48 46 41 49 47
315 1134 6 ,4 52 54 52 49 49 51 47 44 52 50
315 271 976 3,5 51 49 47 42 42 40 39 33 43 40
410 1476 5,3 51 53 49 44 44 44 44 35 46 45
609 2192 7,8 55 56 52 49 50 48 46 43 51 47
400 392 1411 3,1 51 50 49 50 47 43 34 50 46
737 2653 5,9 53 52 51 52 49 45 36 52 48
2077 7477 16,5 66 65 64 65 62 58 49 64 61
500 503 1811 2,6 53 52 54 53 49 42 30 53 49
1250 4500 6,4 58 57 59 58 54 47 35 57 544750 17100 24,2 79 78 80 79 75 68 56 79 75
630 1206 4342 3,9 57 54 54 52 50 44 34 53 49
2469 8888 7,9 61 58 58 56 54 48 38 57 53
7016 25258 22,5 78 75 75 73 71 65 55 74 70
800 1890 6804 3,8 59 56 56 54 52 46 36 55 51
4029 14504 8,0 63 60 60 58 56 50 40 59 55
15010 54036 29,9 83 80 80 78 76 70 60 79 75
1000 2750 9900 3,5 63 58 58 56 54 48 38 56 52
6372 22939 8,1 66 61 61 59 57 51 41 60 56
23717 85381 30,2 85 80 80 78 76 70 60 79 75
500 Pa qv v F (Hz) LpA NR
( l/ s) (m3/h) m/s 63 125 2 50 5 00 10 00 200 0 4 00 0 8 00 0 dB(A)
100 45 162 5,7 40 55 54 53 54 58 60 62 61 64
61 220 7,8 41 55 55 56 58 59 62 64 63 6682 295 10,4 41 58 57 58 61 64 66 66 67 68
125 60 216 4,9 48 55 58 55 52 50 51 51 54 53
83 299 6,8 51 54 58 56 52 51 55 55 56 57
115 414 9,4 50 56 60 58 55 58 57 54 59 57
160 100 360 5,0 50 58 56 53 48 48 53 55 55 58
137 493 6,8 51 59 56 53 52 51 59 60 59 62
201 724 10,0 50 61 58 56 58 59 65 66 65 67
166 598 5,3 56 60 59 55 53 54 57 60 59 62
224 806 7,1 55 60 60 57 53 53 63 63 62 65
300 1080 9,6 55 62 62 58 53 57 65 66 65 68
250 230 828 4,7 52 59 61 57 54 62 63 57 63 63
316 1138 6,4 55 61 61 58 53 58 60 59 61 61
445 1602 9,1 59 63 62 59 57 62 60 61 63 63
315 383 1379 4,9 56 58 56 51 51 48 50 50 53 52
579 2084 7,4 56 62 58 54 54 56 60 52 60 60
861 3100 11,1 61 65 60 58 59 58 60 61 62 63
400 555 1998 4,4 61 60 59 60 57 53 44 60 56
1042 3751 8,3 63 62 61 62 59 55 46 62 58
2937 10573 23,4 76 75 74 75 72 68 59 75 71
500 712 2563 3,6 63 62 64 63 59 52 40 63 59
1768 6365 9,0 68 67 69 68 64 57 45 68 64
6718 24185 34,2 90 89 91 90 86 79 67 90 86
630 1705 6138 5,5 68 65 65 63 61 55 45 63 59
3492 12571 11,2 72 69 69 67 65 59 49 67 63
9923 35723 31,8 88 85 85 83 81 75 65 84 80
800 2673 9623 5,3 70 67 67 65 63 57 47 66 62
5698 20513 11,3 73 70 70 68 66 60 50 69 65
21227 76417 42,3 93 90 90 88 86 80 70 89 85
1000 3889 14000 5,0 73 68 68 66 64 58 48 67 63
9012 32443 11,5 76 71 71 69 67 61 51 70 66
33541 120748 42,7 95 90 90 88 86 70 70 89 85
750 Pa qv v F (Hz) LpA NR
( l/ s) (m3/h) m/s 63 125 250 500 10 00 200 0 4 00 0 8 00 0 dB(A)
100 55 198 7,0 41 60 59 57 58 64 66 71 68 72
75 270 9,6 42 59 59 60 63 64 69 73 71 75100 360 12,7 42 62 61 62 66 69 74 76 75 77
125 73 262,8 6,0 51 59 63 61 58 56 58 59 60 61
101 363,6 8 ,2 54 59 63 61 58 57 62 65 64 67
141 507,6 11,5 53 61 65 63 60 64 65 62 66 65
160 122 439,2 6,1 52 64 62 59 54 54 60 66 63 68
168 604,8 8 ,4 53 63 61 58 57 56 66 71 68 72
247 889,2 12,3 51 66 63 61 64 65 73 76 74 78
203 730,8 6 ,5 60 65 65 61 58 59 65 69 67 71
274 986,4 8 ,7 59 64 66 63 57 57 71 73 71 74
368 1324,8 11,7 58 67 68 64 57 61 72 77 74 78
250 282 1015,2 5,7 55 64 66 62 59 68 72 67 71 72
387 1393,2 7,9 5 9 66 67 64 57 64 69 69 69 71
545 1962 11,1 64 69 68 65 62 68 67 72 71 73
315 470 1692 6,0 59 63 62 56 56 53 57 60 60 62
709 2552,4 9,1 59 67 63 60 60 63 69 62 68 69
1054 3794,4 13,5 65 70 6 5 63 6 4 64 68 72 70 74
400 679 2444,4 5,4 67 66 65 66 63 59 50 66 62
12777 4597,2 10,2 69 68 67 68 65 61 52 68 64
3598 12953 28,6 82 81 80 81 78 74 65 80 77
500 871 3135,6 4,4 69 68 70 69 65 58 46 69 65
2165 7794 11,0 74 73 75 74 70 63 51 74 70
8227 29617 41,9 96 95 97 96 92 85 73 96 92
630 2089 7520,4 6,7 74 71 71 69 67 61 51 69 65
4277 15397 13,7 78 75 75 73 71 65 55 74 69
12153 43751 39,0 94 91 91 89 87 81 71 90 86
800 3273 11783 6,5 76 73 73 71 69 63 53 72 68
6978 25121 13,9 79 76 76 74 72 66 56 75 71
25997 93589 51,7 99 96 96 94 92 86 76 95 91
1000 4763 17147 6,1 79 74 74 72 70 64 54 73 69
11037 39733 14,1 83 78 78 76 74 68 58 76 72
41079 147884 52,3 99 96 96 94 92 86 76 95 90
20/PRA/3500/0606/EN
PRA - Adjustment And Measurement Unit
Supply air jet nozzle; PRA/S
SOUND DATA
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PRA - Adjustment And Measurement Unit
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Servicing
Before cleaning of the ductwork, check that the actual
adjustment position is ticked with the adjustment
position marker.
Open the damper by turning the adjustment knobcounter-clockwise.
Clean the ductwork.
Reset the damper position to the marked adjustment
position.
Suggested specifications
The adjustment damper shall comprise an adjustable
cone and airflow measurement taps for differential
pressure measurement.
The casing and adjustment cone vanes shall be made
of galvanised steel.
The airflow determination shall be based on the
differential pressure measurement caused by airflow
over the damper cone.
The adjustment damper shall have an adjustment
position indicator and adjustment position marker to
be used during cleaning.
Product code
PRA/S-D
S = Model
N Standard R With RLA cleaning
access panel
D = Diameter of duct connection
100, 125, 160, 200, 250, 315, 350,
400, 500, 630, 800, 1000
Code example
PRA/N-100
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PTS - Single-Blade Damper
PTS
Single-Blade Damper
Shut-off, adjustment, balancing or control damper
Casing leakage classification: EN 1751, Class C
Casing and damper blade made of galvanised steel
Tightness classification of shut-off damper: EN 1751,
Class 4
Product models and Accessories
Shut-off, adjustment, balancing or control damper
Adjustment, balancing or control damper
Adjustment, balancing or control damper with
perforated blade
Several actuator options
MATERIAL
PART MATERIAL NOTE
Casing Galvanised steel
Blade and shaft Galvanised steel
Operating
mechanism Stainless steel
Blade gasket EPDM rubber Used only in
PTS/A model
Duct gaskets 1C-polyurethane
hybrid
Actuator platform Galvanised steel
QUICK SELECTION
D qmin qmax
[mm] [l/s] [m3/h] [l/s ] [m3/h]
100 8 28 47 170
125 12 44 74 265
160 20 72 121 434
200 31 113 188 679
250 49 177 295 1060
315 78 281 468 1683
400 126 452 754 2714
500 196 707 1178 4241
qmin 1 m/s duct velocity
qmax 6 m/s duct velocity - recommended maximum airflow for
comfort applications
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65
D
L
L1L2
25
160
45.2
70
24.5
45.
2
4.7160
45.2
70
57.5
45.2
4.7
25
NS L L1 L2 D
100 145 70 36 99
125 145 70 36 124
160 145 70 36 159
200 145 70 36 199
250 145 70 36 249
315 145 70 36 314
400 245 175 35 399500 245 175 35 499
PTS - Single-Blade Damper
20/PTS/3500/0606/ENDIMENSIONS
Product models and Accessories
There are three different product models, for different
purposes:
Shut-off, adjustment, balancing or control damper,
PTS/A
Tightness classification: EN 1751, Class 4
Adjustment, balancing or control damper, PTS/B
Adjustment, balancing or control damper with
perforated blade, PTS/C
Actuator platform, low (ML) Actuator platform, high (MH)
Actuator options
Standard actuators
Belimo LM24A / LM230A / LM24A-SR (5 Nm), NM24A
/ NM230A / NM24A-SR (10 Nm) and LF24 / LF230
(4 Nm)
For technical data for available actuators, consult the
list below.
After sales installation of the actuator
Actuator installation on the site is possible with the
help of an actuator bed and extension shaft. This
enables installation of a universal actuator type. The
actuator bed selected can be of standard type when
the ductwork is not insulated or of high type if the
ductwork is insulated.
Minimum torque 4 Nm 10 Nm
PTS/A 10 0...250 x
PTS/A 315...500 x
PTS/B 10 0...500 x
PTS/C 10 0...500 x
Manual operation
Handle for manual operation with blade position
locking.
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20/PTS/3500/0606/EN
PTS - Single-Blade Damper
Electrical actuator: specific data
If other actuator types are required, consult Halton in
order to specify the type and manufacturer.
CODE NAME MANUFACTURER TORQUE Nm POWER SUPPLY CONTROL TYPE POWER
CONSUMPTION
B1 LM24A-F Belimo 5 24 VAC/VDC On-off, 2-wire 3 VA / 2 W
B2 LM230A-F Belimo 5 230 VAC On-off, 2-wire 12 VA / 1 W
B3 LM24A-SR-F Belimo 5 24 VAC/VDC Modulating
010 VDC
4 VA / 2 W
B4 NM24A Belimo 10 24 VAC/VDC On-off, 2-wire 3.5 VA / 2 W
B5 NM230A Belimo 10 24 VAC/VDC On-off, 2-wire 18 VA / 2 W
B6 NM24A-SR Belimo 10 24 VAC Modulating
010 VDC
3 VA / 1.5 W
B7 LF24 Belimo 4 24 VAC On-off, spring
return
7 VA / 5 W
B8 LF230 Belimo 4 230 VAC On-off, spring
return
8 VA / 5 W
PTS/A with actuator (B4) Actuator IL / IH PTS
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PTS/C
PTS/BPTS/A
PTS - Single-Blade Damper
20/PTS/3500/0606/EN
Function
The PTS unit can operate as a shut-off, control or
adjustment damper depending on the product model.
This damper is available for circular standard duct
sizes 100 mm to 500 mm. Damper position is visuallyindicated below the operating mechanism.
The PTS/A is a shut-off damper of leakage class
4 according to the EN 1751 standard. It includes
rubber gaskets to ensure low leakage flow when the
damper is in closed position. The PTS/A is available
with a handle for manual operation or with an electric
actuator for on-off control or for modulating control
using a 0...10 VDC control signal.
The PTS/B can be used for airflow control or
adjustment of airflow rates in the ductwork. It includes
a steel blade without gasket. The PTS/B is available
with a handle for manual operation or with an electric
actuator for on-off control or for modulating control
using a 010 VDC control signal.
The PTS/C is an airflow adjustment damper. The
damper blade is a perforated blade that is acoustically
and operationally designed for balancing of airflow
rates.
The electric actuator is normally installed in the factory
on the actuator platform with screws. On-site actuator
installation is possible with the help of an actuator
installation kit. The actuator installation kit, available
as an accessory, includes an actuator platform and
extension shaft for universal actuator fixing. The
actuator platform and actuator can be installed easily
using standard hand tools.
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LM...A
NM...A
24 VAC, 24 VDC
230 VAC
1 2 3 5
~
~LM24A-SR
NM24A-SRLF24-SR
SM24A-SR
24 VAC, 24 VDC
1 2 3 5
~
~
0-10 VDC
2-10 VDC
AF2 4- SR
24 VAC, 24 VDC~
~
0-10 VDC
2-10 VDC
Y1
1 2 3 5
S1
LF
AF
S2 S 3
MU
Y1 UY1 UY1
20/PTS/3500/0606/EN
PTS - Single-Blade Damper
Installation
Fasten the damper to the ductwork with, e.g., rivets.
Ensure that the rivets do not prevent the operation of
the damper. The position of each rivet must be at least
10 mm from the duct end.External duct gaskets ensure an airtight joint when the
damper has been mechanically fastened to the duct
with rivets or screws.
The electric actuator (where applicable) is to be
connected to the power supply and control signal
wires according to the wiring diagram. Examples of
connections for the standard actuators are shown in a
separate diagram.
The electric actuator can also be installed, when
necessary, in an on-site procedure with the help of an
actuator platform and universal shaft fitting, available
as an accessory:
Remove the operating mechanism (1) by opening the
locking screw.
Assemble the actuator platform in the location of
the operation mechanism (2) and ensure its stability
mechanically by bending the legs of the actuator
platform with a hand tool.
The universal actuator fitting enables connection of
most actuator types to the shaft (3) (4).
Wire connections are to be performed according to
the instruction for the actuator installed.
Electric wire connections
Belimo
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PTS/A-100 PTS/A-125
PTS/A-160 PTS/A-200
PTS - Single-Blade Damper
20/PTS/3500/0606/EN
Pressure drop and sound data
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PTS/A-250 PTS/A-315
PTS/A-400 PTS/A-500
20/PTS/3500/0606/EN
PTS - Single-Blade Damper
Pressure drop and sound data
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PTS/B-100 PTS/B-125
PTS/B-160 PTS/B-200
PTS - Single-Blade Damper
20/PTS/3500/0606/EN
Pressure drop and sound data
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PTS/B-250 PTS/B-315
PTS/B-400 PTS/B-500
20/PTS/3500/0606/EN
PTS - Single-Blade Damper
Pressure drop and sound data
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PTS/C-100 PTS/C-125
PTS/C-160 PTS/C-200
PTS - Single-Blade Damper
20/PTS/3500/0606/EN
Pressure drop and sound data
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PTS/C-250 PTS/C-315
PTS/C-400 PTS/C-500
20/PTS/3500/0606/EN
PTS - Single-Blade Damper
Pressure drop and sound data
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PTS - Single-Blade Damper
20/PTS/3500/0606/EN
Suggested specifications
The casing and circular (perforated) blade of the shut-
off / adjustment / control damper shall be made of
galvanised steel.
The shut-off damper shall meet EN 1751, Class 4
tightness requirements.
External rubber gaskets on the spigot shall provide an
airtight connection to circular ductwork.
Product code
PTS/S-D
S = Version
A Damper with blade gasket
B Damper without blade gasket
C Damper with perforated blade
D = Diameter of duct connection
100, 125, 160, 200, 250, 315, 400, 500
Specifics and accessories
MA = Material
CS Steel
MO = Actuator type
NA Manual=default
B1 LM24A-F, 5 Nm, 24 VAC/VDC, on-off
B2 LM230A-F, 5 Nm, 230 VAC, on-off
B3 LM24A-SR-F, 5 Nm, 24 VAC/VDC,
modulating
B4 NM24A, 10 Nm, 24 VAC/VDC, on-off
B5 NM230A, 10 Nm, 230 VAC, on-off
B6 NM24A-SR, 10 Nm, 24 VAC/VDC,
modulating
B7 LF24, 4 Nm, 24 VAC/VDC, on-off,
spring return
B8 LF230, 4 Nm, 230 VAC, on-off, spring
return
AC = Accessories
BA Handle for manual operation
ML Actuator platform, low
MH Actuator platform, high
IL Installation kit for actuator, low
IH Installation kit for actuator, high
IJ Actuator platform; low for LF actuator
Code example
PTS/A-100, MA=CS,MO=NA
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20/RMC/3500/0606/EN
RMC - Constant Airflow Damper
RMC
Constant Airflow Damper
Constant airflow damper without external power
supply, self-balancing operation
Effective commissioning
Large operation area, pressure range of 50...600 Pa
and optionally up to 1000 Pa
Galvanised steel design
Product models
Models with and without insulated casing
MATERIAL
PART MATERIAL
Housing Galvanised steel
Damper blade Aluminium
Damper blade
bearings PTFE
Tube for the
adjustment Plastic
Ring seals Rubber
QUICK SELECTION
D qmin qmin(recommend) qmax
[mm] [l/s] [m3/h] [l/s] [m3/h] [l/s] [m3/h]
100 19 70 31 113 61 220
125 28 100 49 177 78 280
160 50 180 80 290 139 500
200 69 250 126 452 250 900
250 139 500 196 707 417 1500
315 222 800 312 1122 611 2200
350 278 1000 503 1810 1056 3800
qmin Minimum airflow
qmin(recommend) Recommmende minimum airflow at 50Pa
minimum unit pressure loss
qmax Maximum airflow
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D
70
L1 L L1
NS L L1 D
100 170 40 99
125 170 40 124
160 240 40 159
200 240 40 199
250 240 40 249315 220 60 314
400 295 60 399
D
70
LL1 L1
50
RMC - Constant Airflow Damper
20/RMC/3500/0606/EN
DIMENSIONS
RMC/A
RMC/AI
PRODUCT MODELS
PRODUCT MODEL CODE DESCRIPTION
External insulation I Mineral wool, thickness 50 mm, for sound insulation and reduction of
heat transfer
Standard N No insulation
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P1
P1 qV1
V1
P2 = P1 + (P2 - P1)
P2 qv2 = qV1
V2
250
200
150
Pa
100
50
2 3 4 5 6 7 8 9 10 11
v=m s
100
100 200 300
125
100 200 300 400
160
200 400 600 800
200
400 600 800 1000 1200
250
500 1000 1500 2000
315
600 1000 1500 2000 2500 3000
400
1000 2000 3000 4000 5000
m3/h
20/RMC/3500/0606/EN
RMC - Constant Airflow Damper
Function
Constant airflow damper RMC is an independent
control element operating without an external power
supply, maintaining the required airflow rate regardless
of upstream pressure changes. Consequently, system
balancing is not needed.
As the dynamic pressure in the duct branch increases,
the damper turns, thus increasing the pressure loss
and preventing an excessive increase in the airflow
rate. Similarly, as the dynamic pressure increases, the
spring returns the blade to the open position, reducing
the pressure loss and thus maintaining a constant
airflow rate.
The constant airflow damper includes a damper
blade, supported by bearings and connected to
an adjustment spring. As a result of the balance
between aerodynamic forces and the spring effect,
the necessary throttling effect is achieved and the set
airflow rate is achieved.
Operation range
The constant airflow damper operates from a
minimum pressure difference over the unit, which
depends on the air velocity (see diagram below) to a
maximum pressure difference of 1000 Pa.
For example, if air velocity in duct is 7 m/s, the unit
pressure loss is approximately 100 Pa or above.
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RMC/N-100 RMC/N-125
RMC/N-160 RMC/N-200
RMC - Constant Airflow Damper
20/RMC/3500/0606/EN
Pressure drop and sound data
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RMC/N-250 RMC/N-315
RMC/N-400
20/RMC/3500/0606/EN
RMC - Constant Airflow Damper
Pressure drop and sound data
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D V (m/s)qv qv 65 Pa 100 Pa 250 Pa 500 Pa
mm m3/h l/s 63 125 250 500 1k 2k 4k 8k Lp(A ) 63 125 250 500 1k 2k 4k 8k Lp(A ) 63 125 250 500 1k 2k 4k 8k Lp(A ) 63 125 250 500 1k 2k 4k 8k Lp(A )
100 2 ,4 68 19 39 3 7 35 3 2 30 3 1 25 2 4 31 40 3 9 38 3 6 35 3 6 30 2 9 36 43 45 4 6 46 4 7 49 4 4 43 4 9 49 5 2 52 5 3 54 5 5 50 5 0 55
3,6 101 28 43 4 1 39 3 6 34 3 4 28 2 7 34 46 4 4 42 3 9 38 3 8 32 3 1 38 52 5 2 50 4 9 49 4 9 43 4 2 49 55 5 6 55 5 5 56 5 7 52 5 1 57
5,2 148 4 1 47 4 5 42 3 9 38 3 8 31 3 1 38 51 4 9 46 4 3 42 4 1 35 3 4 41 60 5 9 55 5 3 51 5 0 45 4 3 51 62 6 2 60 5 9 58 5 8 54 5 2 59
7,8 220 6 1 51 4 8 45 4 3 41 4 3 36 3 6 42 55 5 3 50 4 8 46 4 6 40 3 9 46 65 6 6 61 6 1 57 5 5 52 4 8 57 74 72 6 9 67 6 4 60 5 8 54 6 3
125 2 ,3 101 28 39 3 6 34 3 0 29 3 0 24 2 3 30 41 4 0 38 3 6 35 3 6 30 2 9 36 45 4 7 47 4 8 48 4 9 44 4 3 49 52 5 4 54 5 4 55 5 6 50 4 9 56
3,2 140 3 9 44 4 1 38 3 4 33 3 2 26 2 4 33 46 4 5 42 3 9 38 3 8 32 3 1 38 50 5 1 50 5 0 50 5 0 45 4 4 50 57 5 8 57 5 6 56 5 7 51 5 1 57
4,5 198 5 5 49 4 6 43 3 8 37 3 5 29 2 7 36 51 4 9 46 4 3 41 4 1 35 3 3 41 56 5 5 54 5 1 51 5 1 46 4 5 52 61 6 1 59 5 8 57 5 8 53 5 2 59
6,4 281 7 8 49 4 9 46 4 3 40 4 1 35 3 2 41 54 5 3 50 4 7 45 4 5 39 3 7 45 63 6 1 58 5 5 54 5 3 47 4 6 54 64 6 4 62 6 1 61 6 2 57 5 6 62
160 2 ,5 180 5 0 41 3 9 36 3 4 32 3 2 26 2 5 33 44 4 3 41 3 9 38 3 8 32 3 1 39 48 5 0 50 5 0 50 5 1 46 4 5 51 55 5 7 57 5 7 57 5 8 53 5 1 58
3,5 252 7 0 45 4 3 40 3 7 36 3 5 29 2 7 36 49 4 7 45 4 2 41 4 0 34 3 3 41 55 5 5 53 5 2 51 5 1 45 4 4 51 60 6 1 60 5 9 59 5 9 54 5 3 60
4,9 353 9 8 49 4 7 44 4 0 39 3 8 32 3 0 39 53 5 1 48 4 4 43 4 2 36 3 4 44 62 6 0 56 5 3 51 5 1 44 4 3 52 65 6 5 62 6 0 60 6 0 55 5 4 61
6,9 500 139 5 2 50 4 7 44 4 2 43 3 5 34 4 3 57 5 5 52 4 9 47 4 7 40 3 9 48 66 6 4 61 5 8 56 5 5 49 4 8 56 72 7 0 67 6 4 62 6 2 56 5 4 63
200 2,2 248 6 9 42 3 8 36 3 3 32 3 1 25 2 4 32 45 4 3 41 3 9 38 3 7 31 3 0 38 51 5 2 52 5 1 51 5 1 45 4 4 52 57 5 9 58 5 8 57 5 8 52 5 0 58
3,4 382 106 4 6 44 4 1 37 3 6 35 2 9 28 3 6 50 4 8 46 4 3 41 4 1 34 3 3 42 58 5 7 55 5 3 52 5 2 46 4 5 53 62 6 3 61 6 0 60 6 0 54 5 3 61
5,2 583 1 62 5 0 48 4 6 42 4 0 40 3 3 32 4 1 55 5 3 50 4 6 44 4 4 37 3 6 45 64 6 2 58 5 5 53 5 3 46 4 5 54 66 6 6 64 6 2 62 6 2 56 5 6 63
8,0 900 250 5 4 52 4 8 45 4 4 44 4 0 36 4 5 59 5 7 54 5 1 49 4 9 44 4 1 50 68 6 6 63 6 0 58 5 8 52 5 0 59 75 7 3 70 6 7 65 6 5 58 5 7 66
250 2 ,8 500 139 4 6 43 4 0 37 3 5 35 2 9 28 3 6 48 4 7 45 4 3 41 4 1 35 3 4 42 54 5 6 55 5 5 54 5 5 49 4 8 56 61 6 2 62 6 1 61 6 2 56 5 4 63
4,1 720 2 00 48 4 7 44 4 1 39 3 8 32 3 1 40 53 5 1 49 4 6 44 4 4 37 3 6 45 60 6 0 58 5 6 55 5 5 48 4 7 56 65 6 5 65 6 3 63 6 3 58 5 6 645,8 1033 287 5 2 50 4 7 44 4 2 41 3 4 33 4 3 57 5 5 52 5 0 47 4 7 40 3 9 48 66 6 4 61 5 8 56 5 6 49 4 8 57 70 6 9 68 6 5 64 6 4 59 5 8 66
8,5 1501 417 5 6 55 5 2 51 4 7 49 4 0 41 4 9 61 5 9 56 5 4 51 5 2 44 4 4 53 70 6 8 65 6 2 60 6 0 53 5 2 61 77 7 5 72 6 8 67 6 6 60 5 8 68
315 2 ,8 799 2 22 4 6 44 4 1 38 4 0 37 2 9 27 3 9 50 4 9 46 4 4 43 4 3 36 3 4 44 57 5 8 57 5 6 50 5 6 50 4 8 56 63 6 5 64 6 3 63 6 3 57 5 5 64
4,3 1210 336 5 2 50 4 7 43 4 2 40 3 4 32 4 2 55 5 4 51 4 7 45 4 5 38 3 6 46 64 6 3 59 5 7 54 5 4 48 4 6 56 68 6 8 66 6 5 64 6 4 58 5 7 65
6,5 1829 508 5 6 54 4 9 46 4 4 43 3 7 35 4 5 61 5 9 54 5 1 49 4 8 42 4 0 50 69 6 7 63 6 0 58 5 7 51 4 9 59 74 73 7 0 67 6 6 65 5 9 58 6 7
10,0 2801 778 5 9 58 56 54 5 0 4 9 43 4 4 5 1 64 62 60 57 54 5 3 4 7 47 5 5 73 7 1 6 8 65 63 62 5 6 5 5 64 80 7 8 74 71 70 69 63 6 1 7 1
400 2 ,2 1001 278 4 7 43 39 35 3 4 3 3 26 2 4 3 5 50 48 45 42 41 4 0 3 3 31 4 2 58 5 9 5 7 56 55 54 4 7 4 5 56 65 6 5 6 4 62 61 61 54 5 1 6 2
3,6 1642 456 5 1 49 4 5 42 4 0 39 3 2 30 4 1 55 5 3 49 4 6 45 4 4 37 3 5 46 64 6 3 60 5 7 55 5 4 48 4 6 56 69 6 9 67 6 5 64 6 4 57 5 5 65
6,0 2700 750 6 1 59 5 5 53 5 1 50 4 3 41 5 2 64 6 2 58 5 5 53 5 2 45 4 3 54 69 6 7 63 6 0 58 5 7 51 4 9 59 76 74 71 6 9 67 6 6 61 5 8 69
9,9 4500 1250 79 78 74 71 6 9 6 8 62 6 0 7 0 78 76 72 69 67 6 6 6 0 58 6 8 75 7 3 6 9 66 64 63 5 7 5 5 65 85 8 1 8 0 76 73 70 67 6 2 74
D V (m/s)qv qv 65 Pa 100 Pa 250 Pa 500 Pa
mm m3/h l/s 63 125 250 500 1k 2k 4k 8k Lp(A ) 63 125 250 500 1k 2k 4k 8k Lp(A ) 63 125 250 500 1k 2k 4k 8k Lp(A ) 63 125 250 500 1k 2k 4k 8k Lp(A )
100 2,4 68 19 5 5 5 10 14 19 14 14 17 6 7 8 14 19 24 19 19 23 9 13 16 24 31 37 33 33 37 15 20 22 31 38 43 39 40 43
3,6 101 2 8 9 9 9 14 18 2 2 17 17 2 1 12 12 12 17 22 26 21 21 26 18 20 20 27 33 37 32 32 37 21 24 25 33 40 45 41 41 45
5,2 148 4 1 13 1 3 12 1 7 22 2 6 20 2 1 25 17 1 7 16 2 1 26 2 9 24 2 4 29 26 2 7 25 3 1 35 3 8 34 3 3 38 28 3 0 30 3 7 42 4 6 43 4 2 47
7,8 220 6 1 17 1 6 15 2 1 25 3 1 25 2 6 29 21 2 1 20 2 6 30 3 4 29 2 9 34 31 3 4 31 3 9 41 4 3 41 3 8 44 40 4 0 39 4 5 48 4 8 47 4 4 50
125 2,3 101 28 10 7 3 6 8 11 9 12 13 12 11 7 12 14 17 15 18 19 16 18 16 24 27 30 29 32 32 23 25 23 30 34 37 35 38 39
3,2 140 3 9 15 1 2 7 10 1 2 13 11 13 1 5 17 1 6 11 15 1 7 19 1 7 20 2 1 21 22 19 26 2 9 31 3 0 33 3 3 28 2 9 26 3 2 35 3 8 36 4 0 40
4,5 198 5 5 20 1 7 12 1 4 16 1 6 14 16 1 8 22 2 0 15 19 20 2 2 20 2 2 24 27 2 6 23 2 7 30 3 2 31 3 4 35 32 3 2 28 3 4 36 3 9 38 4 1 41
6,4 281 7 8 20 2 0 15 19 19 22 2 0 21 2 4 25 2 4 19 23 2 4 26 2 4 26 2 8 34 3 2 27 3 1 33 3 4 32 3 5 36 35 3 5 31 3 7 40 4 3 42 4 5 45
160 2 ,5 180 5 0 18 1 6 16 1 6 21 2 2 17 1 7 23 21 2 0 21 2 1 27 2 8 23 2 3 29 25 2 7 30 3 2 39 4 1 37 3 7 42 32 3 4 37 3 9 46 4 8 44 4 3 48
3,5 252 7 0 22 2 0 20 19 25 2 5 20 19 26 26 2 4 25 2 4 30 3 0 25 2 5 31 32 3 2 33 3 4 40 4 1 36 3 6 41 37 3 8 40 4 1 48 4 9 45 4 5 50
4,9 353 9 8 26 2 4 24 2 2 28 2 8 23 2 2 29 30 2 8 28 2 6 32 3 2 27 2 6 33 39 3 7 36 3 5 40 4 1 35 3 5 42 42 4 2 42 4 2 49 5 0 46 4 6 51
6,9 500 139 2 9 2 7 27 26 3 1 3 3 26 2 6 3 3 34 32 32 31 36 3 7 3 1 31 3 7 43 4 1 4 1 40 45 45 4 0 4 0 46 49 4 7 4 7 46 51 52 47 4 6 5 3
200 2,2 248 6 9 20 19 20 1 7 17 2 0 16 1 6 20 23 2 4 25 2 3 23 2 6 22 2 2 27 29 3 3 36 3 5 36 4 0 36 3 6 40 35 4 0 42 4 2 42 4 7 43 4 2 47
3,4 382 106 2 4 25 2 5 21 2 1 24 2 0 20 2 5 28 2 9 30 2 7 26 3 0 25 2 5 30 36 3 8 39 3 7 37 4 1 37 3 7 41 40 4 4 45 4 4 45 4 9 45 4 5 495,2 583 1 62 2 8 29 3 0 26 2 5 29 2 4 24 2 9 33 3 4 34 3 0 29 3 3 28 2 8 34 42 4 3 42 3 9 38 4 2 37 3 7 43 44 4 7 48 4 6 47 5 1 47 4 8 52
8,0 900 250 3 2 33 3 2 29 2 9 33 3 1 28 3 4 37 3 8 38 3 5 34 3 8 35 3 3 39 46 4 7 47 4 4 43 4 7 43 4 2 48 53 5 4 54 5 1 50 5 4 49 4 9 54
250 2 ,8 500 139 2 7 27 2 7 25 2 3 25 2 0 20 2 6 29 3 1 32 3 1 29 3 1 26 2 6 32 35 4 0 42 4 3 42 4 5 40 4 0 46 42 4 6 49 4 9 49 5 2 47 4 6 52
4,1 720 2 00 29 3 1 31 2 9 27 2 8 23 2 3 30 34 3 5 36 3 4 32 3 4 28 2 8 35 41 4 4 45 4 4 43 4 5 39 3 9 46 46 4 9 52 5 1 51 5 3 49 4 8 54
5,8 1033 287 3 3 34 34 32 3 0 3 1 25 2 5 3 4 38 39 39 38 35 3 7 3 1 31 3 8 47 4 8 4 8 46 44 46 4 0 4 0 47 51 5 3 5 5 53 52 54 50 5 0 5 5
8,5 1501 417 3 7 39 3 9 39 3 5 39 3 1 33 3 9 42 4 3 43 4 2 39 4 2 35 3 6 43 51 5 2 52 5 0 48 5 0 44 4 4 51 58 5 9 59 5 6 55 5 6 51 5 0 57
315 2 ,8 799 2 22 2 8 30 2 9 25 2 9 26 2 1 19 29 32 3 5 34 3 1 32 3 2 28 2 6 34 39 4 4 45 4 3 39 4 5 42 4 0 46 45 5 1 52 5 0 52 5 2 49 4 7 54
4,3 1210 336 3 4 36 3 5 30 3 1 29 2 6 24 3 2 37 4 0 39 3 4 34 3 4 30 2 8 36 46 4 9 47 4 4 43 4 3 40 3 8 45 50 5 4 54 5 2 53 5 3 50 4 9 55
6,5 1829 508 3 8 40 3 7 33 3 3 32 2 9 27 3 5 43 4 5 42 3 8 38 3 7 34 3 2 40 51 5 3 51 4 7 47 4 6 43 4 1 49 56 5 9 58 5 4 55 5 4 51 5 0 56
10,0 2801 778 4 1 44 44 41 3 9 3 8 35 3 6 4 1 46 48 48 44 43 4 2 3 9 39 4 5 55 5 7 5 6 52 52 51 4 8 4 7 54 62 6 4 6 2 58 59 58 55 5 3 6 0
400 2 ,2 1001 278 3 0 32 29 25 2 4 2 4 19 18 27 33 37 35 32 31 3 1 2 6 25 3 3 41 4 8 4 7 46 45 45 4 0 3 9 47 48 5 4 5 4 52 51 52 47 4 5 5 3
3,6 1642 456 3 4 38 3 5 32 3 0 30 2 5 24 3 2 38 4 2 39 3 6 35 3 5 30 2 9 37 47 5 2 50 4 7 45 4 5 41 4 0 47 52 5 8 57 5 5 54 5 5 50 4 9 56
6,0 2700 750 4 4 48 4 5 43 4 1 41 3 6 35 4 3 47 5 1 48 4 5 43 4 3 38 3 7 45 52 5 6 53 5 0 48 4 8 44 4 3 50 59 6 3 61 5 9 57 5 7 54 5 2 60
9 ,9 4 50 0 1 25 0 6 2 6 7 6 4 6 1 59 5 9 55 5 4 60 61 65 62 59 57 5 7 53 5 2 59 58 6 2 59 56 54 54 5 0 49 5 7 68 7 0 70 6 6 63 61 60 5 6 66
RMC - Constant Airflow Damper
20/RMC/3500/0606/EN
SOUND LEVEL DATA
RMC/N AIRBORNE SOUND
RMC/N RADIATED SOUND
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RMC
RMC
>3xD
RMC - Constant Airflow Damper
20/RMC/3500/0606/EN
Installation
Safety distances for the damper
The airflow control damper should be installed in
undisturbed airflow. The airflow velocity profile in the
duct should be sufficiently even, without disturbances
caused by bends, T-branches etc.
The necessary safety distance after a bend or a T-
branch is 3 x the duct diameter.
The airflow control damper should be installed so that
the arrow on the damper corresponds to the direction
of the airflow. See the installation examples.
Suggested specifications
The constant airflow damper shall operate without an
electric or pneumatic external power supply.
The damper casing shall be made of galvanised steel
and the blade of aluminium.
The damper shall operate with an adjustable spring.
Dampers shall be factory-set to the required airflow
rate.
The damper with a manual adjustment device shall be
able to be easily set or reset on the work site, during
commissioning.
The damper casing shall be insulated with mineral
wool as sound and heat insulation material (optional).
Product code
RMC/S-D
S = Model
N Standard, without insulation
I Casing with 50 mm insulation
D = Diameter of duct connection
100, 125, 160, 200, 250, 315, 400
Code example
RMC/A-100
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UTK/UTS/UTT - Multi-blade Damper
20/UTK,U
TS,U
TT/3500/0606/EN
MATERIAL UTK
PART MATERIAL NOTE
Casing Galvanised steel Stainless steel AISI 316 also available
Blades (envelope design) Galvanised steel Stainless steel AISI 316 also available
Damper blade gaskets Silicon Heat-proof model: EPDM rubber
Duct gasket Rubber compound Circular connections
Slide bearings Alloy of polyamide and molybdenum
sulphide
Self-lubricated Heat-proof model stainless steel AISI 316
Drive shaft Galvanised steel Rectangular (15x15 mm) bar
MATERIAL UTS
PART MATERIAL NOTE
Casing Galvanised steel Stainless steel AISI 316 also available
Blades (envelope design) Galvanised steel Stainless steel AISI 316 also available
Damper blade gaskets Silicon Heat-proof model: EPDM rubber
Gasket ins ide the casing Si li conDuct gasket Rubber compound Circular connections
Slide bearings Alloy of polyamide and molybdenum
sulphide
Self-lubricated Heat-proof model stainless steel AISI 316
Drive shaft Galvanised steel Rectangular (15x15 mm) bar
MATERIAL UTT
PART MATERIAL NOTE
Casing Galvanised steel Stainless steel AISI 316 also available
Blades (sandwich design) Galvanised steel Stainless steel AISI 316 also available
Damper blade insulation Polyurethane CFC free
Damper blade gaskets Silicon Heat-proof model: EPDM rubber
Gasket inside the casing Silicon Fixed in an aluminium profile
Duct gasket Rubber compound Circular connections
Slide bearings Alloy of polyamide and molybdenum
sulphide
Self-lubricated Heat-proof model stainless steel AISI 316
Drive shaft Galvanised steel Rectangular (15x15 mm) bar
QUICK SELECTION
HxW qmin qmax
[mm] [l/s] [m3/h] [l/s ] [m3/h]
200x400 160 576 480 1728
400x400 320 1152 960 3456
400x800 640 2304 1920 6912
800x800 1280 4608 3840 13824
1000x1000 2000 7200 6000 21600
1000x2000 4000 14400 12000 43200
qmin 1 m/s duct velocity
qmax 6 m/s duct velocity - recommended maximum airflow for
comfort applications
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H+44
W+44
W+4
H+4
210
15x15
90
W H
100,200,...,240 0 10 0,20 0,...,240 0
H+44
W+44
W+4
H+4
210
D
15x15
90
67
CT=D1; CT=D2
D WxH
100 150x150
125 150x150160 200x200
200 200x200
250 250x250
315 300x300
400 400x400
500 500x500
630 600x600
800 800x800
1000 1000x1000
1250 1250X1250
20/UTK,U
TS,U
TT/3500/0606/EN
UTK/UTS/UTT - Multi-blade Damper
DIMENSIONS
Models with circular connections
Product models and Accessories
The product models MD=I and MD=J have a double
sheet casing with mineral wool insulation. The
insulation thickness is 20 mm.
The damper is available equipped with either manual
adjustment or actuator operation.
The adjustment and control arrangement options are:
ADJUSTMENT & CONTROL OPTIONS CODE NOTE
Manual handle adjustment MO = MA
Manual ex tension bar adjus tment AC = BA Handle extens ion arrangement
Flexible coupling bar AC = FS For remote actuator coupling
Actuator operation MO= See Actuator options
The damper actuator is selected from the list
below according to the operating voltage, control
arrangement and the required torque of the damper.
The torque of the selected actuator can be higher than
the required torque of the damper.
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400
600
800
1000
1200
1400
1800
2000
2200
2400
H ( mm)
1600
2400
2200
2000
1800
1600
1400
1200
1000
800
600
400
B ( mm)
2 3 5 10 20 30 50
0 Pa
500 Pa
1000 Pa
Mv -max =50 NmMv(Nm)
Pst(Pa)
250 Pa
20/UTK,U
TS,U
TT/3500/0606/EN
UTK/UTS/UTT - Multi-blade Damper
AF-MODELS
Torque, damper size ... 15 Nm A
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2000
1000
500
200
100
50
1 3 10 30 100 300 500 1000 2000
4 3 2 1
DIN 1946/4
UTT
UTS
UTK
CLASS
UTK/UTS/UTT - Multi-blade Damper
20/UTK,U
TS,U
TT/3500/0606/EN
Function
UTK
The UTK dampers are used to shut off, adjust or
control airflow in ductwork in applications where
damper leakage does not have significant importance.
In the closed position the UTK damper leakage class is
1 in accordance with the EN1751 standard.
UTS
The UTS dampers are used to shut off or control
airflow in ductwork.
In the closed position the UTS damper leakage class is
2 in accordance with the EN1751 standard.
UTT
The UTT dampers are used to shut off or control
airflow in ductwork where tightness, thermal
insulation and reliability are important.
In the closed position the UTT damper leakage class is
4 in accordance with the EN1751 standard.
In the open position the blades are turned in the
direction of flow and do not cause significant pressure
losses.
Damper sizes conform with the international standards
EN 1505, EN1506 and ISO 1707 for rectangular and
circular ducts.The maximum operation temperature of a standard
damper is +100C (for optional models +200C).
Heat transmission of the damper is 6 W/(m2K).
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A[m2] 0,10 0,12 0,25 0,30 0,40 0,50 0,60 1,0 1,6 2,0
KA /dB -10 -9 -6 -5 -4 -3 -2 0 +2 -3
f/[Hz] 63 125 250 500 1000 2000 4000 8000
kok 11 11 9 7 5 3 -4 -10
l/dB +/-6 +/-6 +/-5 +/-4 +/-3 +/-3 +/-3 +/-3
UTK/UTS/UTT - Multi-blade Damper
20/UTK,U
TS,U
TT/3500/0606/EN
Pressure drop and sound data
Sound power level Lw [dB]
UTK, UTS, UTT
Suggested specifications
The casing and blades shall be made from galvanised
steel (or stainless steel AISI 316).
The blade gaskets shall be of silicon (or EPDM-
rubber).
The drive shaft socket shall be of galvanised steel with
self-lubricating slide bearings.
The bearing shall be made from an alloy of polyamide
and molybdenum sulphide (or stainless steel AISI 316
or stainless steel AISI 304 or bronze).
The damper shall be installed into rectangular
ductwork in compliance with EN 1751, or in circular
ducts D=100 ... 1250 mm in accordance with EN 1751.
UTK: The damper shall meet the tightness
requirements of EN 1751 class 1.
UTS: The damper shall meet the tightness
requirements of EN 1751 class 2.
UTT: The damper shall meet the tightness
requirements of EN 1751 class 4.
The casing of the damper shall meet the tightness
requirements of EN 1751 class B.
The damper shall be suitable for either manual
adjustment or actuator operation.
The sound power level LWin each octave band iscomputed by adding the corresponding correction
factor Kokto the sound pressure level in the
selection chart according to the following equation.
LW= LPA+ Kok+ KA
The correction factor Kokis the average of the
operating area.
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