KG - SCHAKO · The compact grille type KG-... can be used for both supply air and return air...
Transcript of KG - SCHAKO · The compact grille type KG-... can be used for both supply air and return air...
Ferdinand Schad KGSteigstraße 25-27
D-78600 KolbingenTelephone +49 (0) 74 63 - 980 - 0
Fax +49 (0) 74 63 - 980 - [email protected]
Compact grilleKG
Contents
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Compact Grille Model KG
01/01 - 2 14.05.2019Version:
Description ........................................................................................................................................3Construction .............................................................................................................................................................................. 3Model ......................................................................................................................................................................................... 3Accessories ................................................................................................................................................................................ 4Fastening ................................................................................................................................................................................... 4
Models and dimensions .........................................................................................................................5Dimensions ................................................................................................................................................................................ 5Dimensions of accessories ........................................................................................................................................................ 6Installation ................................................................................................................................................................................. 8
Technical data ....................................................................................................................................9Pressure loss and noise level ..................................................................................................................................................... 9Maximum end velocity of jet .................................................................................................................................................... 11Jet path .................................................................................................................................................................................... 12Critical throw ........................................................................................................................................................................... 12Maximum penetration .............................................................................................................................................................. 13Temperature and induction ratios ............................................................................................................................................. 14Minimum distances ................................................................................................................................................................. 15Correction factor (for scattered air jet) ..................................................................................................................................... 15Blade position .......................................................................................................................................................................... 15
Legend ........................................................................................................................................... 16Order code KG ................................................................................................................................... 17Order code AK ................................................................................................................................... 18Specification texts .............................................................................................................................. 19
Compact Grille Model KG
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DescriptionThe compact grille type KG-... can be used for both supply airand return air systems. Owing to its compact construction - thefront frame and blades for air distribution and the hit-and-missdamper for air volume control consist of a single component -the compact grille requires only a small mounting depth. Thissmall mounting depth reduces vortex formation at the hit-and-miss damper, thus ensuring a uniform inflow of air over the en-tire diffuser surface of the grille (see velocity profile). Moreover,the compact construction gives the grille very high stability andtorsional rigidity. Its special frame shape allows the compactgrille to make close contact with the ductwork. Modern produc-tion methods allow the grille to be manufactured free of weld-ing spots, thus minimising the susceptibility to corrosion ofthe compact grille. The stainless steel design of the compactgrille allows it to be used in areas containing aggressive air sub-stances. The modern design of the cover frame allows con-cealed mounting of the grille. The stainless steel and aluminiummodels with H=65 - 315 and sheet steel model with H=165 mmare delivered without raised ends of the hit-and-miss dampers.For the "Hit-and-miss damper without raised ends" design, thediagram values are only achieved with a flow pattern from be-hind. If the flow pattern is lateral, the values change.At an extra charge, a plenum box can be mounted. Unless stat-ed otherwise, the KG grille will be supplied as galvanisedsheet steel model!The installation of the KG-R-... into spiral ductwork must takeplace free of stress. Avoid using unround or deformed spiralducts, in order to protect the grilles from distortion.
Velocity profile
Exit velocities at a supply air volume VZU of 400 m³/h (corre-sponding to 111.1 l/s). Grille mounted in flow channel, lateral in-flow.
Air duct comparison
The picture in the flow channel proves:
Construction
Model
KG-Q-08 615/115
- uniform inflow of the air over the entire grille surface- no air vortex formation
Frame and blades- Galvanised sheet steel (-SV, standard)- Sheet steel front side painted to
- RAL colour 9010 (white) (-SB-9010)- RAL colour can be freely selected (SB-xxxx)
- Aluminium natural colour anodised E6/EV1 (-AL, at an ex-tra charge)
- Stainless steel 1.4301 (V2A) (-V2, at an extra charge).
KG-Q-08-... - horizontal blades, additionally with hit-and-miss damper, installation in rectangular ducts
KG-Q-15-... - vertical blades, additionally with hit-and-miss damper, installation in rectangular ducts
KG-R-08-... - horizontal blades, additionally with hit-and-miss damper, installation in sheet metal/spi-ral ducts
KG-R-15-... - vertical blades, additionally with hit-and-miss damper, installation in sheet metal/spiral ducts
Compact Grille Model KG
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Accessories Fastening
Attention!We would like to point out that for cleaning stainless steel mod-els, only suitable cleaning materials may be used!
Plenum box (-AK-32)- only for type KG-Q-08-... / KG-Q-15-...- Rectangular design. Housing with round connection spig-
ot and fixing lugs.- Fastening with screw mounting (-SM, standard, screws
must be provided on site)- consisting of:
- Galvanised sheet steel (-SV, standard)- Stainless steel V2A (-V2)
- Height of plenum box:- Standard (-KHS)- Can be freely selected (-xxx in mm) (minimum height
with spigot position -S1 / -S4 = spigot diameter + 87 mm)
- Width of plenum box:- Standard (-KBS)- Can be freely selected (-xxx in mm) (minimum width
with spigot position -S0 / -S4 = spigot diameter + 30 mm)
- Spigot diameter:- Standard (-SDS)- Can be freely selected (-xxx, in mm)
- Spigot position:- 1 spigot from above (-S0)- 1 lateral spigot on the box (-S1, standard)- 1 spigot front side (-S4)
Rubber lip seal (-GD1), for AK-...- Special rubber, on plenum box connection spigot
Thermal insulation (-Ii / -Ia), for AK-...- internal (-li), inside the plenum box- external (-la), on the outside of the plenum box (only avail-
able with already bent fixing lugs)Cover frame (-BR)
- only for type KG-Q-08-... / KG-Q-15-...- consisting of:
- Aluminium painted (with a high-quality powder coat-ing) to the RAL colour of the grille
- Natural anodised aluminium E6/EV1 (standard for ver-sion -SV and -V2)
Installation frame (-ER1 / -ER2)- without wall anchor (-ER1)- with wall anchor (-ER2)- only for type KG-Q-08-... / KG-Q-15-...- consisting of electrolytically galvanised sheet steel- not possible in connection with a plenum box
Screw mounting (-SM)- Standard, screws must be provided on site
Concealed mounting (only possible with type KG-Q-08-... / KG-Q-15-...)
- in connection with cover frame (-BR)
Compact Grille Model KG
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Models and dimensionsDimensionsKG-Q-08-...
KG-Q-15-...
Available sizes KG-Q-08-... / KG-Q-15-...
All combined lengths and heights available!Special dimensions are not possible!
Installation dimensions of the aluminium and stainless steel models:
KG-R-08-...
KG-R-15-...
Available sizes KG-R-08-... / KG-R-15-...
All combined lengths and heights available!Special dimensions are not possible!
Installation dimensions of the aluminium and stainless steel models:
Screw mounting (-SM)Detail X
L L1 L2 H H1 H2315 358 310 65 108 60415 458 410 115 158 110515 558 510 165 208 160615 658 610 215 258 210815 858 810 315 358 310
1015 1058 10101215 1258 1210
KG-Q-08-... Alu / V2A : (L+10) x H
KG-Q-15-... Alu / V2A : L x (H+10)
1.) The stainless steel and aluminium models with H=65 - 315and sheet steel model with H=165 mm are delivered with-out raised ends of the hit-and-miss dampers.
only for L = 615 to 1215
1.)
approx.
only for L = 615 to 1215
1.)
approx.
L L1 L2 H H2 H3315 358 310 65 60 58415 458 410 115 110 108515 558 510 165 160 158615 658 610 215 210 208815 858 810 315 310 308
1015 1058 10101215 1258 1210
KG-R-08-... Alu / V2A : (L+10) x H
KG-R-15-... Alu / V2A : L x (H+10)
only for L = 615 to 1215
1.)
only for L = 615 to 1215
1.)
Compact Grille Model KG
01/01 - 6
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Dimensions of accessoriesPlenum box (-AK-32-...-S1), with lateral spigotfor KG-Q-08-... / KG-Q-15-...
Spigot position
Dimensions and prices for spigot from above (-S0) and spigot frontside (-S4) upon request.
Installation position
Available sizes AK-32-...-S1
Plenum dimensions for aluminium and stainless steel models:
Minimum height KHS with spigot position -S1 / -S4:spigot diameter + 87 mm
Minimum width KBS with spigot position -S0 / -S4:spigot diameter + 30 mm
As-delivered condition withfitted fixing lug
Detail X
On site with bent fixing lugDetail X
ap-
exte
rnal
- Lateral spigot (-S1, standard)- Spigot from above (-S0) - Spigot front side (-S4)
with plenum box below the ceiling / in front of the wall
with plenum box above the ceiling / behind the wall
L H KL KBS KHS Ød315
65
320
68
210 123415 420515 520615 620815 820
245 1581015 10201215 1220
L H KL KBS KHS Ød315
115
320
118
245 158415 420515 520615 620815 820
285 1981015 10201215 1220
L H KL KBS KHS Ød315
165
320
168 285 198
415 420515 520615 620815 8201015 10201215 1220
L H KL KBS KHS Ød315
215
320
218
285 198415 420515 520615 620
335 248815 8201015 10201215 1220
L H KL KBS KHS Ød315
315
320
318
335 248415 420515 520615 620
400 313815 8201015 10201215 1220
KG-Q-08-... Alu / V2A : (KL+10) x KBS
KG-Q-15-... Alu / V2A : KL x (KBS+10)
Compact Grille Model KG
01/01 - 7
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Thermal insulation (-Ii / -Ia), for AK-...internal (-Ii)
external (-Ia)In case of an external insulation, the fixing lugs are already bent in the as-delivered condition.
Rubber lip seal (-GD1), for AK-...Detail Y
Cover frame (-BR)
Available sizes
All combined lengths and heights available!Other sizes available on request.
The cover frame is only available for types KG-Q-08-... and KG-Q-15-...!A cover frame has been developed to allow concealed mounting,which, after slipping two plastic parts onto the longitudinal sideof the grille, can be easily attached. This can also easily be doneon grilles which have already been installed.
L L4 H H4315 368 65 116415 468 115 168515 568 165 218615 668 215 268815 868 315 368
1015 10681215 1268
Section A-Aapprox.
Compact Grille Model KG
01/01 - 8
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Installation frame (-ER1 / -ER2)(only for KG-Q-08-... / KG-Q-15-...:
1.) Wall anchor
Mounting frame design:
InstallationInstallation situation KG-R-...
Duct diameter KG-R-...
Installation opening:
The curved flange and the four height dimensions, apart fromproviding high stability and torsional rigidity, allow optimum ad-aptation of the compact grille type KG-R-... to sheet metal andspiral ductwork. The selection of the grille height depends onthe duct measures shown in the table. The grille frames onlymake optimum contact when the ideal duct diameter is used.
The installation of the KG-R-... into spiral ductwork must takeplace free of stress. Avoid using unround or deformed spiralducts, in order to protect the grilles from distortion.
- without wall anchor (-ER1)- with wall anchor (-ER2)
4 wall anchors - length L < 815 mm6 wall anchors - length L > 815 mmMounting frames are only delivered with wall anchors (-ER2) on special request (at an extra charge).
1.)ap
prox
.
H øD
min. ideal max.
65 140 250 400115 300 500 800165 450 625 1025215 600 750 1250315 900 1000 1250
- made of sheet steel: L x H- made of aluminium / stainless steel:
KG-R-08-... Alu / V2A : (L+10) x HKG-R-15-... Alu / V2A : L x (H+10)
Compact Grille Model KG
01/01 - 9
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Technical dataPressure loss and noise levelSupply air face velocity
Supply airZeta values (ζ)
Position of hit-and-miss damper
100% 75% 50% 25%
1,4 1,76 2,5 4,0Applies to the standard KG grille of heights 65, 115, 215 and 315 mm in all widths with lateral flow pattern!
Position of hit-and-miss damper
100% 75% 50% 25%
2,0 3,4 5,2 11,9Only applies to KG grilles of height 165 mm or stainless steel or aluminium model (all sizes) with direct flow pattern from behind!
Hit-and-miss damper position OPEN in %
ρ=1.2 kg/m³
Compact Grille Model KG
01/01 - 10
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Return air face velocity
Return air
FQ in m² at the hit-and-miss damper Face area (m²)
Correction factor (supply air and return air)
AStirn (m²) 0,01 0,02 0,04 0,08 0,16 0,32 0,40
KF (-) -9 -6 -3 0 +3 +6 +7
LWA = LWA1 + KF
Hit-and-miss damper position OPEN in %
ρ=1.2 kg/m³
Length (L)315 415 515 615 815 1015 1215
Hei
ght (
H)
65 0,0067 0,0090 0,0120 0,0135 0,0180 0,0225 0,0270
115 0,0135 0,0180 0,0240 0,0270 0,0360 0,0450 0,0540
165 0,0201 0,0268 0,0358 0,0403 0,0537 0,0671 0,0805
215 0,0270 0,0360 0,0480 0,0540 0,0720 0,0900 0,1080
315 0,0405 0,0540 0,0720 0,0810 0,1080 0,1349 0,1619
FQ (m²)
Length (L)315 415 515 615 815 1015 1215
Hei
ght (
H)
65 0,018 0,024 0,029 0,035 0,047 0,058 0,070
115 0,033 0,044 0,055 0,066 0,087 0,109 0,130
165 0,049 0,064 0,080 0,096 0,128 0,159 0,191
215 0,064 0,085 0,106 0,126 0,168 0,210 0,251
315 0,095 0,126 0,156 0,187 0,248 0,310 0,372
Astirn (m²)
Compact Grille Model KG
01/01 - 11
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Maximum end velocity of jet
Supply air without coanda effect
Supply air with coanda effect
Compact Grille Model KG
01/01 - 12
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Jet pathSupply air without coanda effect
Critical throwSupply air with coanda effect
Heating
Cooling
Jet detachment
Compact Grille Model KG
01/01 - 13
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Maximum penetrationMax. vertical penetration (in heating mode):
Compact Grille Model KG
01/01 - 14
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Temperature and induction ratiosSupply air without coanda effect
Supply air with coanda effect
Compact Grille Model KG
01/01 - 15
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Minimum distancesSupply air without coanda effect
For the diagrams tobe correct, the dis-tance z between twogrilles must be > x(m) x 0.2.
Supply air with coanda effect For the diagrams tobe correct, the dis-tance z between twogrilles must be > x(m) x 0.2.
Correction factor (for scattered air jet)with or without coanda effect
Blade position
Blade position 44° 84°End velocity of jet vmax (m/s) × 0.65 vmax (m/s) × 0.5Critical throw xkr × 0.77 × 0.6TV = ΔTx / ΔT0 × 0.65 × 0.5Induction ratio i × 1.3 i × 2Jet drop - Jet rise y × 1.3 y × 2Grille distance z(m)> x × 0.20 x × 0.25
Blade position straight (-L000) (standard)
Blade position 44° diverging (-L044)
Blade position 84° diverging (-L084)
Blade position 110° diverging (-L110)(only KG-...-15-...)
Blade position 140° diverging (-L140)(only KG-...-15-...)
Blade position opposite to one another (-LGEG)(only KG-...-15-...)
straightBlade position
The angle of propagation of the air jet and thus the length of throw can be affected by adjusting the vertical air deflec-tion blades.
first and last slot covered
diverging
Compact Grille Model KG
01/01 - 16
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14.05.2019Version:
LegendVZU (m³/h) [l/s] = Supply air volumeVAB (m³/h) [l/s] = Return air volumeVX (m³/h) [l/s] = total air jet volume at point xvmax (m/s) = Maximum end velocity of jetvK (m/s) = Duct velocityvstirn (m/s) = Intake velocity, blower stream velocity,
outflow velocity, relative to AstirnAstirn (m²) = Face areax (m) = horizontal throwy (m) = vertical throwyH (m) = Maximum penetration in heating modexkr (m) = Critical throwρ (kg/m³) = DensityΔpt (Pa) = Pressure lossLWA [dB(A)] = A-weighted sound power level
[LWA = LWA1 + KF]LWA1 [dB(A)] = A-weighted sound power level, relative to
Astirn = 0.08 m²KF (-) = Correction factorΔTO (K) = Temperature difference between supply
air temperature and room temperature(ΔTO = tZU - tR)
ΔTOH (K) = Temperature difference between supply air and room temperature in heating mode(ΔTOH = tZUH - tRH)
ΔTX (K) = Temperature difference at point xtzu (°C) = Supply air temperaturetR (°C) = Room temperaturei (-) = Induction ratio (i = VX / VZU)TV (-) = Temperature ratio (TV = ΔTX / ΔTO)z (m) = Minimum clearance between two grilles
x (m) x 0.2RH (mm) = Room heightRB (mm) = Room widthH (mm) = HeightL (mm) = LengthFQ (m²) = Free cross-section in m²approx. (-) = approximately
Compact Grille Model KG
01/01 - 17
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Order code KG
SampleKG-Q-08-0615-115-L000-SV-0000-BR-ER0
Ventilation grille type KG | for duct and box installation | pivoting horizontal air deflection blades on the front side, additionally with hit-and-miss damper | grille length 615 mm | grille height 115 mm | blade position straight | galvanised sheet steel | without paint | with cover frame | without mounting frame
Order details01 – Type
02 – Model
03 – Blades
04 – Length
05 – Height
06 – Air throw pattern
07 – Material
08 – Paint
09 – Cover frame
10 – Mounting frame
01 02 03 04 05Type Model Blades Length HeightExampleKG -Q -08 -0615 -115
06 07 08 09 10Air throw pattern Material Paint cover frame Installation frame
-L000 -SV -0000 -BR -ER0
KG = Compact grille type KG
Q = For duct and box installationR = For duct installation
08 = With horizontal blades, additionally with hit-and-miss damper
15 = With vertical blades, additionally with hit-and-miss damper
0315 = Grille length 315 mm0415 = Grille length 415 mm0515 = Grille length 515 mm0615 = Grille length 615 mm0815 = Grille length 815 mm1015 = Grille length 1015 mm1215 = Grille length 1215 mm
065 = 65 mm115 = 115 mm165 = 165 mm215 = 215 mm315 = 315 mm
L000 = Blade position straight (standard)L044 = Blade position 44° divergingL084 = Blade position 84° divergingL110 = Blade position 110° diverging (KG-...-15-... only)L140 = Blade position 140° diverging (KG-...-15-... only)LGEG = Blade position opposite to one another (KG-...-15-... only)
SV = Galvanised sheet steel (standard)SB = Sheet steel (only available with paint)V2 = Stainless steel V2AAL = Natural colour anodised aluminium
0000 = Without paint (standard)9010 = RAL colour 9010 (white)xxxx = RAL colour can be freely selected (always with 4 digits)ELOX = Natural colour anodised aluminium
BN = Without cover frameBR = With cover frame made of natural colour anodised alumin-
ium (standard with SV and V2), otherwise aluminium painted to the RAL colour of the grille (not available for KG-R-...)
ER0 = without mounting frame (standard)ER1 = with mounting frame (not available in connection plenum
box AK, possible, not possible for KG-R-...)ER2 with mounting frame with wall anchors (not available in
connection with AK, not possible for KG-R-...)
Compact Grille Model KG
01/01 - 18
Construction subject to change. No return possible!
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Order code AK
SampleAK-32-0415-215-N-SM-SV-DK0-GD1-I0-KHS-KBS-SDS-S1
Plenum box, rectangular design | suitable for diffuser type KG | length 415mm | width 215mm | individual length | with screw mounting | galvanisedsheet steel | without damper | with rubber lip seal | without box insulation | standard height of box | standard width of box | standard spigot diameter| lateral spigot
Order details01 – Type
02 – Air diffuser
03 – Length
04 – Height
05 - Single / band design
06 – Fastening
07 – Material
08 – Damper
09 – Rubber lip seal
10 – Insulation
11 – Height of box
12 – Width of box
13 – Spigot diameter
14 – Spigot position
01 02 03 04 05 06 07Accessories Air diffuser Length Height Single / band design Fastening MaterialExampleAK -32 -00415 -215 -N -SM -SV
08 09 10 11 12 13 14Damper Rubber lip seal Insulation Height of plenum box Width of box Spigot diameter Spigot position
-DK0 -GD1 -IO -KHS -KBS -SDS -S1
AK = Plenum box, rectangular design
32 = Ventilation grille type KG-Q
00315 = 315 mm00415 = 415 mm00515 = 515 mm00615 = 615 mm00815 = 815 mm01015 = 1015 mm01215 = 1215 mm
065 = 65 mm115 = 115 mm165 = 165 mm215 = 215 mm315 = 315 mm
N = Single length (standard)
SM = Screw mounting (standard, screws must be provided on site)
SV = Galvanised sheet steel (standard)V2 = Stainless steel (V2A)
DK0 = Without damper (standard)
GD0 = Without rubber lip seal (standard)GD1 = with rubber lip seal
I0 = Without insulation (standard)li = With box insulation insidela = With external box insulation (only available with already
bent fixing lugs)
KHS = Height of plenum box standardxxx = Height of plenum box in mm (minimum height with spigot
position -S1 / -S4 = spigot diameter +87 mm)
KBS = Standard width of boxxxx = Width of box in mm (minimum width with spigot position -
S0 / -S4 = spigot diameter +30 mm)
SDS = Standard spigot diameterxxx = Spigot diameter in mm
S0 = Spigot from aboveS1 = Lateral spigot on the box (standard)S4 = Spigot front side
Compact Grille Model KG
01/01 - 19
Construction subject to change. No return possible!
14.05.2019Version:
Specification texts
Compact grille type KG-Q-08-... for supply air and return air, for in-stallation in rectangular ductwork. Owing to its compact construc-tion - the housing and hit-and-miss damper consist of a singlecomponent - the grilles have very high stability and torsional rigidityand require only a small mounting depth (50 mm). This gives lowflow generated noise and a uniform inflow of the supply air over theentire grille surface. Compared with grilles equipped with air damp-ers, the air flow capacity is more than 20% higher at the same soundpower level. The clinch joining technique without producing weldingspots gives better anticorrosive protection. Consisting of a frontframe with visible screw mounting (SM), with horizontal or verticalair deflection blades mounted on pivoting bearings and integratedhit-and-miss damper, adjustable on the room side, for simple airvolume and ductwork regulation.Product: SCHAKO type KG-Q-08-...
Compact grille type KG-R-08-... for supply air and return air, forinstallation in sheet metal / spiral ductwork. Owing to its com-pact construction - the housing and hit-and-miss damper con-sist of a single component - the grilles have very high stabilityand torsional rigidity and require only a small mounting depth(56 mm). This gives low flow generated noise and a uniform in-flow of the supply air over the entire grille surface. Comparedwith grilles equipped with air dampers, the air flow capacity ismore than 20% higher at the same sound power level. Theclinch joining technique without producing welding spots givesbetter anticorrosive protection. Consisting of a front frame withvisible screw mounting (SM), with horizontal or vertical air de-flection blades mounted on pivoting bearings and integrated hit-and-miss damper, adjustable on the room side, for simple airvolume and ductwork regulation.Product: SCHAKO type KG-R-08-...
Accessories:
- Type KG-Q-15-..., with vertical air deflection blades mount-ed on pivoting bearings, adjustable from the room side.Product: SCHAKO type KG-Q-15-...
- Type KG-R-15-..., with vertical air deflection blades mount-ed on pivoting bearings, adjustable from the room side.Product: SCHAKO type KG-R-15-...
- Compact grille consisting of:- Galvanised sheet steel (-SV, standard)- Sheet steel painted on the front with a high-quality powder
coating- to RAL colour 9010 (white) (-SB-9010)- RAL colour can be freely selected (-SB-xxxx)
- Aluminium natural colour anodised E6/EV1 (-AL)- Stainless steel 1.4301 (V2A) (-V2)
- Plenum box (AK-32-...), made of galvanised sheet steel in rectangular design Housing with round connection spigotand fixing lugs.- only for KG-Q-08-... / KG-Q-15-...- Fastening with screw mounting (-SM, standard, screws
must be provided on site)- consisting of:
- Galvanised sheet steel (-SV, standard)- Stainless steel V2A (-V2)
- with rubber lip seal (-GD1) made of special rubber at the plenum box connection spigot.
- with thermal insulation:- internal (-li), inside the plenum box- outside (-ia), on the outside of the plenum box (only
available with already bent fixing lugs)- Height of plenum box:
- Standard (-KHS)- Can be freely selected (-xxx in mm) (minimum height
with spigot position -S1 / -S4 = spigot diameter + 87 mm)
- Width of plenum box:- Standard (-KBS)- Can be freely selected (-xxx in mm) (minimum width
with spigot position -S0 / -S4 = spigot diameter + 30 mm)
- Spigot diameter:- Standard (-SDS)- Can be freely selected (-xxx, in mm)
- Spigot position:- 1 spigot from above (-S0)- 1 lateral spigot on the box (-S1, standard)- 1 spigot front side (-S4)
- Cover frame (-BR), for concealed mounting, made of:- only for KG-Q-08-... / KG-Q-15-...- Natural anodised aluminium E6/EV1 (standard for version
-SV and -V2)- Aluminium painted (with a high-quality powder coating) to
the RAL colour of the grille
- Installation frame (-ER1 / -ER2)- only for KG-Q-08-... / KG-Q-15-...- without wall anchor (-ER1)- with wall anchor (-ER2)- consisting of electrolytically galvanised sheet steel- not possible in connection with a plenum box