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8/10/2019 ASLI 03 Return Air Grilles Set
1/23
8/10/2019 ASLI 03 Return Air Grilles Set
2/23
RETURN AIR GRILLES CONTENTS
RM Louver
RC Curve Blade Return Air Grille
RV Single Deflection Return Air Grille
RJ Curve Blade Return Air Grille
RY Transfer Grille RG Eggcrate Type Return Air Grille
RF Perforated Face Return Air Diffuser
CR Vent Louver
RK & RKC Perforated Face Return Air Diffuser
Return Air Grilles Accessories
CONTENTS
All stated specifications are updated at the printing date and subject to change without notice or obligation. The actual product might differ from pictures shown.
8/10/2019 ASLI 03 Return Air Grilles Set
3/23
RETURN AIR GRILLES
Materials RM-T Frame 0.7mm, blade 0.5mm SPGC galvanized steel. RM-S Frame 0.7mm, blade 0.5mm stainless steel SUS. 304. RM-A Extruded aluminium A6063.
Surface Finish RM-T Baked white powder coat as standard. RM-S Stainless steel original colour. RM-A Baked white powder coat or natural anodized.
Features RM-A weather louver type return air grille is an architectural exterior decoration
louver with is aero-dynamics blade design. Used commonly in outdoor air application, i.e. fresh air & exhaust air where
rain-proof is a concern. It is also used in door as return air application both
mounted on ceiling and wall. Blade spacing ranges from 33mm to 42mm. The grille will come in more sections for blade length that is more than 600mm. Approximately 50% free area.
Accessories G1 Opposed blade damper. R6 Insect nettings. D2 Square to round adapter.
RM Construction Illustrations
RM Louver
All stated specifications are updated at the printing date and subject to change without notice or obligation. The actual product might differ from pictures shown.
RM Physical Dimension Unit:mmThickness D
Face Size
W+54H+54
W+60H+60
Frame BladeOrder Key
RM - T + 350 x 150 x G1
ModelMaterials
Accessories
HW
Materials
SPGC Steel
Stainless Steel SUS. 304
Extruded Aluminium A6063
Model
RM-T
RM-S
RM-A
0.7
0.7
1.0
0.5
0.5
1.0
BWall Size
W+20H+20
ADuct Size
W+10H+10
RM page 1 of 2
Locking mechanism underneathlouver blade at both sides of frame
Optional-RM(Removable)
8/10/2019 ASLI 03 Return Air Grilles Set
4/23
RETURN AIR GRILLES
RM Louver
All stated specifications are updated at the printing date and subject to change without notice or obligation. The actual product might differ from pictures shown.
RM Performance Data
Neck Size mm
250 x 100200 x 125300 x 100200 x 150400 x 100250 x 150350 x 125300 x 150350 x 150250 x 200600 x 100400 x 150
800 X 600
1000 X 600
1200 x 600
1000 x 800
900 X 1000
1000 X 1000
NeckArea m2
Neck Vel. M/SVel. Press(mmAq)Neg. SP(mmAq)
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
62.213.554044648478644997250
108081
129652
16203
194454
216055
259256
276557
291658
388859
583262
777667
1036867
1296069
1555270
1728071
1944072
2160073
NC value is based on a room absorption of 10 dB, re 10 -12 watts.
51.559.64503854041720438104490045
108046
135047
162048
180049
216050
230451
243052
324053
486057
648061
864062
1080063
1296065
1440065
1620066
1800067
41.08.2360334323657638648397204086441
108042
129643
144044
172845
184346
194447
259248
388852
518456
691257
864058
1036860
1152060
1296061
1440062
3.50.757.031530378335043556736630377563894539
113440
126041
151242
161243
170044
226845
340248
453651
604853
756054
907255
1008056
1134057
1260058
30.555.72702632429432314863254033648348102597236
108037
129638
138239
145840
194441
291545
388847
518449
648050
777652
864053
972053
1080054
2.50.44.0225242702636028405294503054031675328103390034
108035
115235
121536
162037
243040
324042
432044
540045
648046
720047
810048
900049
20.252.61801821620288223242336024432255402664827720288642992229
97230
129631
194433
259237
345638
432039
518440
576041
648042
720043
0.025
0.03
0.04
0.045
0.05
0.06
0.075
0.09
0.1
0.12
0.128
0.135
0.18
0.27
0.36
0.48
0.6
0.72
0.8
0.9
1.0
600 x 125500 x 150700 x 125550 x 150750 x 125660 x 150900 x 125750 x 150850 x 150600 x 200
1200 x 125900 x 150900 x 200750 x 250750 x 350660 x 4001200 x 300900 x 400
350 x 200300 x 250400 x 200350 x 250450 x 200400 x 250450 x 250350 x 300500 x 250400 x 300
450 x 300400 x 350600 x 300450 x 400600 x 450550 x 500750 x 450600 x 600
RM page 2 of 2
8/10/2019 ASLI 03 Return Air Grilles Set
5/23
RETURN AIR GRILLES
Materials RC-A Extruded aluminium A6063. RC-T Galvanized steel.
Surface Finish Baked white powder coat or natural anodized.
Features The shape of the curved blade is approximately one eighth of the circumference
of a circle. Suitable to install on wall for return air application. The grille will come in more sections for blade length that is more than 600mm.
Approximately 48% free area.
Accessories R6 Insect nettings. D2 Square to round adapter.
RC Construction Illustrations
RC Curve Blade Return Air Grille
All stated specifications are updated at the printing date and subject to change without notice or obligation. The actual product might differ from pictures shown.
RC Physical Dimension Unit:mmThickness D
Face Size
W+58H+58
W+60H+60
Frame BladeOrder Key
RC - A + 350 x 150 x R6
ModelMaterials
Accessories
HW
Materials
Extruded Aluminium A6063
Galvanized Steel
Model
RC-A
RC-T
1.0
0.8
1.2
0.7
BWall Size
W+20H+20
ADuct Size
W+10H+10
RC page 1 of 2
Optional-RC(Removable)
Removable Mechanism
8/10/2019 ASLI 03 Return Air Grilles Set
6/23
RETURN AIR GRILLES
RC Curve Blade Return Air Grille
All stated specifications are updated at the printing date and subject to change without notice or obligation. The actual product might differ from pictures shown.
RC Performance Data
Neck Size mm
250 x 100200 x 125300 x 100200 x 150400 x 100250 x 150350 x 125300 x 150350 x 150250 x 200600 x 100400 x 150
NeckArea m2
Neck Vel. M/SVel. Press(mmAq)Neg. SP(mmAq)
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
62.29.354042648448644697246
108046
129648
162050
194451
216052
259254
276555
291655
388856
583257
777659
NC value is based on a room absorption of 10 dB, re 10 -12 watts. Dash (-) in space indicates NC value less than 10.
51.556.54503754039720428104290042
108044
135044
162045
180046
216048
230448
243048
324049
486050
648051
41.04.1360304323257634648347203486436
108036
129638
144039
172841
184342
194442
259242
388842
518444
3.50.753.131523378255042956729630297563194531
113434
126034
151235
161235
170035
226836
340236
453638
30.552.22701732418432234862354023648248102597227
108027
129629
138229
145829
194430
291530
388831
2.50.41.5225112701236015405154501554017675188101990020
108022
115223
121523
162023
243023
324025
20.250.9180
-216
-288
-324
-360
-432
-540
-648
-720118641292213
97213
129614
194414
259215
0.025
0.03
0.04
0.045
0.05
0.06
0.075
0.09
0.1
0.12
0.128
0.135
0.18
0.27
0.36
600 x 125500 x 150700 x 125550 x 150750 x 125660 x 150900 x 125750 x 150850 x 150600 x 200
1200 x 125900 x 150900 x 200750 x 250750 x 350660 x 4001200 x 300900 x 400
350 x 200300 x 250400 x 200350 x 250450 x 200400 x 250450 x 250350 x 300500 x 250400 x 300
450 x 300400 x 350600 x 300450 x 400600 x 450550 x 500750 x 450600 x 600
RC page 2 of 2
8/10/2019 ASLI 03 Return Air Grilles Set
7/23
RETURN AIR GRILLES
RV Single Deflection Return Fresh Air Grille
All stated specifications are updated at the printing date and subject to change without notice or obligation. The actual product might differ from pictures shown.
Materials RV-T Frame 1.0mm, blade 0.35mm SPGC galvanized steel. RV-S Frame 0.7mm, blade 0.3mm stainless steel SUS. 304. RV-A Extruded aluminium A6063.
Surface Finish RV-T Baked white powder coat as standard. RV-S Stainless steel original colour. RV-A Baked white powder coat or natural anodized.
Features Model RV-A is made up of one set of individually adjustable horizontal
air foil blades. Model RV-A can also be used as supply air grille. It is in the same series as model GV. The grille will come in more sections for blade length that is more than 500mm. Approximately 83% free area when blades are fully open.
Accessories G1 Opposed blade damper. R6 Insect nettings. D2 Square to round adapter.
RV Construction Illustrations
RV page 1 of 2
Enlargement of Removable Mechanism
Optional-RV(Removable)
8/10/2019 ASLI 03 Return Air Grilles Set
8/23
RETURN AIR GRILLES
RV Single Deflection Return Fresh Air Grille
All stated specifications are updated at the printing date and subject to change without notice or obligation. The actual product might differ from pictures shown.
RV Performance Data
Neck Size mm
250 x 100200 x 125300 x 100200 x 150400 x 100250 x 150350 x 125300 x 150350 x 150250 x 200600 x 100400 x 150
NeckArea m2
Neck Vel. M/S
Vel. Press(mmAq)Neg. SP(mmAq)CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMH
NCCMHNC
CMHNC
CMHNC
6
2.26.754039648417564386445
108045
129646
162046
194447
216048
259249
276549
2916
50388851
583253
777655
NC value is based on a room absorption of 10 dB, re 10 -12 watts. Dash (-) in space indicates NC value less than 10.
5
1.554.64503054031630347203690036
108037
135037
162039
180040
216042
230442
2430
42324043
486045
648047
4
1.03.0360234322550426576287202886430
108030
129632
144033
172834
184334
1944
34259235
388837
518439
3.5
0.752.231517378194412150423630237562594525
113426
126028
151229
161229
1700
29226830
340232
453633
3
0.551.72701132412378144321654016648188101897221
108021
129623
138223
1458
23194424
291525
388826
2.5
0.41.2225
-270
-315
-360
-450
-54011675118101390014
108015
115216
1215
16162017
243017
324019
2
0.252.8180
-216
-252
-288
-360
-432
-540
-648
-720
-864
-922
-972
-1296
-1944
-259212
0.025
0.03
0.04
0.045
0.05
0.06
0.075
0.09
0.1
0.12
0.128
0.135
0.18
0.27
0.36
600 x 125500 x 150700 x 125550 x 150750 x 125660 x 150900 x 125750 x 150850 x 150600 x 2001200 x 125
900 x 150900 x 200750 x 250750 x 350660 x 4001200 x 300900 x 400
350 x 200300 x 250400 x 200350 x 250450 x 200400 x 250450 x 250350 x 300500 x 250400 x 300450 x 300
400 x 350600 x 300450 x 400600 x 450550 x 500750 x 450600 x 600
RV page 2 of 2
RV Physical Dimension Unit:mm
Thickness ADuct Size
W+10H+10
BWall Size
W+20H+20
DFace Size
W+54H+54
W+60H+60
Frame Blade Order Key
RV - T + 350 X 150 - G1
ModelMaterials
Accessories
HW
Materials
SPGC Steel
Stainless Steel SUS. 304
Extruded Aluminium A6063
Model
RV-T
RV-S
RV-A
0.7
0.7
1.0
3.4
0.3
3.8
8/10/2019 ASLI 03 Return Air Grilles Set
9/23
Features The shape of the curved blade is approximately one eighth of the circumference
of a circle. Suitable to install on wall for return air application. The grille will come in more sections for blade length that is more than 600mm. Approximately 50% free area.
RETURN AIR GRILLES
Materials RJ-A Extruded aluminium A6063.
Surface Finish Baked white powder coat or natural anodized.
Accessories R6 Insect nettings. D2 Square to round adapter.
RJ Construction Illustrations
RJ Curve Blade Return Air Grille
All stated specifications are updated at the printing date and subject to change without notice or obligation. The actual product might differ from pictures shown.
RJ Physical Dimension Unit:mmThickness D
Face Size
W+54H+54
Frame BladeOrder Key
RJ - A + 350 x 150 x R6
ModelMaterials
Accessories
HW
Materials
Extruded Aluminium A6063
Model
RJ-A 1.0 3.5
BWall Size
W+20H+20
ADuct Size
W+10H+10
RJ page 1 of 2
8/10/2019 ASLI 03 Return Air Grilles Set
10/23
RETURN AIR GRILLES
RJ Curve Blade Return Air Grille
All stated specifications are updated at the printing date and subject to change without notice or obligation. The actual product might differ from pictures shown.
RJ Performance Data
Neck Size mm
250 x 100200 x 125300 x 100200 x 150400 x 100250 x 150350 x 125300 x 150350 x 150250 x 200600 x 100400 x 150
NeckArea m2
Neck Vel. M/SVel. Press(mmAq)Neg. SP(mmAq)
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
62.29.354042648448644697246
108046
129648
162050
194451
216052
259254
276555
291655
388856
583257
777659
NC value is based on a room absorption of 10 dB, re 10 -12 watts. Dash (-) in space indicates NC value less than 10.
51.556.54503754039720428104290042
108044
135044
162045
180046
216048
230448
243048
324049
486050
648051
41.04.1360304323257634648347203486436
108036
129638
144039
172841
184342
194442
259242
388842
518444
3.50.753.131523378255042956729630297563194531
113434
126034
151235
161235
170035
226836
340236
453638
30.552.22701732418432234862354023648248102597227
108027
129629
138229
145829
194430
291530
388831
2.50.41.2225112701236015405154501554017675188101990020
108022
115223
121523
162023
243023
324025
20.250.9180
-216
-288
-324
-360
-432
-540
-648
-720118641292213
97213
129614
194414
259215
0.025
0.03
0.04
0.045
0.05
0.06
0.075
0.09
0.1
0.12
0.128
0.135
0.18
0.27
0.36
600 x 125500 x 150700 x 125550 x 150750 x 125660 x 150900 x 125750 x 150850 x 150600 x 200
1200 x 125900 x 150900 x 200750 x 250750 x 350660 x 4001200 x 300900 x 400
350 x 200300 x 250400 x 200350 x 250450 x 200400 x 250450 x 250350 x 300500 x 250400 x 300
450 x 300400 x 350600 x 300450 x 400600 x 450550 x 500750 x 450600 x 600
RJ page 2 of 2
8/10/2019 ASLI 03 Return Air Grilles Set
11/23
RETURN AIR GRILLES
Materials RY-A Extruded aluminium A6063.
Surface Finish Baked white powder coat or natural anodized.
Features The blade is in the form of inverted-V louver. It has a sight-proof core design. Widely used in doors and partitions to allow air flow into or out of space. They are also used in theatres or dark room where light is not permitted to penetrate through the grille. Model RY has a more rigid frame & blade assuring durability & long service.
The grille will come in more sections for blade length that is more than 600mm. Approximately 59% free area.
Accessories R6 Insect netting.
RY Construction Illustrations
RY Transfer Grille
All stated specifications are updated at the printing date and subject to change without notice or obligation. The actual product might differ from pictures shown.
RY Physcal Dimension Unit:mmThickness D
Face Size
W+54H+54
Frame BladeOrder Key
RY - A + 350 x 150 x R6
ModelMaterials
Accessories
HW
Materials
Extruded Aluminium A6063
Model
RY-A 1.0 1.0
BWall Size
W+20H+20
ADuct Size
W+10H+10
RY page 1 of 2
8/10/2019 ASLI 03 Return Air Grilles Set
12/23
RETURN AIR GRILLES
RY Transfer Grille
All stated specifications are updated at the printing date and subject to change without notice or obligation. The actual product might differ from pictures shown.
RY Performance Data
Neck Size mm
250 x 100200 x 125300 x 100200 x 150400 x 100250 x 150350 x 125300 x 150350 x 150
250 x 200600 x 100400 x 150
NeckArea m2
Neck Vel. M/SVel. Press(mmAq)Neg. SP(mmAq)
CMHNC
CMHNC
CMHNC
CMHNC
CMH
NCCMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
4.51.2529.840562486636486472965810
6597266
121567
145868
162069
194470
207370
218770
291670
437470
583272
NC value is based on a room absorption of 10 dB, re 10 -12 watts.
41.023.636058432595766064861720
6186462
108063
129664
144065
172866
184366
194466
259266
388866
518467
3.50.7518.131556378575045856758630
587565994559
113460
126061
151262
161262
170062
226862
340262
453663
30.5513.327050324514325348654540
54648548105497255
108056
129657
138257
145857
194457
291557
388858
2.50.49.322546270473604840549450
4954050675508105090050
108051
115251
121551
162051
243051
324052
20.255.918038216402884132442360
4243243540436484472045864459224697246
129646
194446
259246
1.50.163.413529162302163124332270
323243340534486345403564836691367293697236
145836
194446
0.025
0.03
0.04
0.045
0.05
0.06
0.075
0.09
0.1
0.12
0.128
0.135
0.18
0.27
0.36
600 x 125500 x 150700 x 125550 x 150750 x 125660 x 150900 x 125750 x 150850 x 150600 x 2001200 x 125900 x 150900 x 200750 x 250750 x 350660 x 4001200 x 300900 x 400
350 x 200300 x 250400 x 200350 x 250450 x 200400 x 250450 x 250350 x 300500 x 250400 x 300450 x 300400 x 350600 x 300450 x 400600 x 450550 x 500750 x 450600 x 600
RY page 2 of 2
8/10/2019 ASLI 03 Return Air Grilles Set
13/23
RETURN AIR GRILLES
Materials Grille frame: Extruded aluminium A6063. Eggcrate blade: 0.5mm Aluminium sheet.
Surface Finish Baked white powder coat as standard.
Features 12mm x 12mm x 12mm aliminum grid core. Model RG-A offers the largest free area for air transfer. Normally installed on ceiling. Approximetely 88% free area.
Accessories G1 Opposed blade damper. R6 Insect nettings. D2 Square to round adapter.
RG Construction Illustrations
RG Eggcrate Type Return Air Grille
All stated specifications are updated at the printing date and subject to change without notice or obligation. The actual product might differ from pictures shown.
RG Physical Dimension Unit:mmThickness D
Face Size
W+36H+36
Frame BladeOrder Key
RG - A + 150 x 150 x G1
ModelMaterials
Accessories
HW
Materials
Extruded Aluminium A6063
0.5 Aluminium Sheet
Model
RG-A 1.0 0.5
BWall Size
W+20H+20
ADuct Size
W+10H+10
RG page 1 of 2
8/10/2019 ASLI 03 Return Air Grilles Set
14/23
RETURN AIR GRILLES
RG Eggcrate Type Return Air Grille
All stated specifications are updated at the printing date and subject to change without notice or obligation. The actual product might differ from pictures shown.
RG Performance Data
Neck Size mm
250 x 100200 x 125300 x 100200 x 150400 x 100250 x 150350 x 125300 x 150350 x 150250 x 200600 x 100400 x 150
NeckArea m2
Neck Vel. M/SVel. Press(mmAq)Neg. SP(mmAq)
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
62.26.154039648398643997239
108038
129638
162037
194437
216036
259236
276536
291635
388835
583234
777633
NC value is based on a room absorption of 10 dB, re 10 -12 watts.
51.554.24503854030720388103790036
108036
135035
162035
180035
216035
230434
243033
324033
486032
648031
41.02.7360364323657635648357203486434
108033
129633
144032
172832
184332
194431
259231
388830
518429
3.50.752.131534378345043456734630337563394532
113432
126032
151231
161230
170030
226829
340228
453627
30.551.52703332433432334863254031648318103097230
108030
129629
138229
145828
194428
291527
388826
2.50.41.1225312703136031405304503054029675298102890028
108028
115228
121527
162026
243025
324024
20.250.71802821628288283242826027432275402664826720268642592225
97225
129624
194423
259222
0.025
0.03
0.04
0.045
0.05
0.06
0.075
0.09
0.1
0.12
0.128
0.135
0.18
0.27
0.36
600 x 125500 x 150700 x 125550 x 150750 x 125660 x 150900 x 125750 x 150850 x 150600 x 200
1200 x 125900 x 150900 x 200750 x 250750 x 350660 x 4001200 x 300900 x 400
350 x 200300 x 250400 x 200350 x 250450 x 200400 x 250450 x 250350 x 300500 x 250400 x 300
450 x 300400 x 350600 x 300450 x 400600 x 450550 x 500750 x 450600 x 600
RG page 2 of 2
8/10/2019 ASLI 03 Return Air Grilles Set
15/23
RETURN AIR GRILLES
Materials RF-T 0.5mm Perforated SPGC galvanized steel frame. RF-S 0.5mm Perforated stainless steel SUS. 304 frame. RF-A 0.5mm Perforated aluminium sheet frame.
Surface Finish RF-T Baked white powder coat as standard. RF-S Stainless steel original colour. RF-A Baked white powder coat or natural anodized.
Features A layer of pre-filter of thickness 6mm is on the perforated face of the diffuser. Suitable for the free return air application. Most suitable for T-bar ceiling installation. The model RF-A can just sit on the T-bar without any support. Approximetely 43% free area.
Accessories B-A Aluminium Ceiling Frame.
Standard Sizes 300 x 600(1' x 2'), 600 x 600(2' x 2')
RF Construction Illustrations
RF Perforated Face Return Air Diffuser
All stated specifications are updated at the printing date and subject to change without notice or obligation. The actual product might differ from pictures shown.
RF Physical Dimension Unit:mmThickness Standard Size
(to suit T-bar)
300 x 600 (1' x 2')600 x 600 (2' x 2')
Frame BladeSPGC Steel
0.5 mmSPGC Steel
0.5 mmStainless Steel SUS.
304 0.5mm
Order Key
RF - A - G1
ModelMaterials
Accessories
Galvanized Steel
Aluminium A6063
Aluminium A6063
25 mm
15 mm
15mm
Model
RF-T
RF-A
RF-S
Frame Widht(W)
RF page 1 of 2
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RF Perforated Face Return Air Diffuser
All stated specifications are updated at the printing date and subject to change without notice or obligation. The actual product might differ from pictures shown.
RF Performance Data
Neck Size mm
250 x 100200 x 125300 x 100200 x 150400 x 100250 x 150350 x 125300 x 150350 x 150250 x 200600 x 100400 x 150
NeckArea m2
Neck Vel. M/SVel. Press(mmAq)Neg. SP(mmAq)
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
CMHNC
62.212.854040648408644097240
108039
129639
162038
194438
216037
259237
276537
291636
388836
583235
777334
NC value is based on a room absorption of 10 dB, re 10 -12 watts.
51.559.04503954039720398103890037
108037
135036
162036
180036
216036
230435
243034
324034
486033
548032
41.05.8360374323757636648367203586435
108034
129634
144033
172833
184333
194432
259232
388831
518430
3.50.754.53153537835504355673563034
77563494533
113433
126033
151232
161231
170031
226830
340229
453628
30.553.32703432434432344863354032648328103197231
108031
129630
138230
145829
194429
291528
388827
2.50.42.4225322703236032405314503154030675308102990029
108029
115229
121528
162027
243026
324025
20.251.61802921629288293242936028432285402764827720278642692226
97226
129625
194424
259223
0.025
0.03
0.04
0.045
0.05
0.06
0.075
0.09
0.1
0.12
0.128
0.135
0.18
0.27
0.36
600 x 125500 x 150700 x 125550 x 150750 x 125660 x 150900 x 125750 x 150850 x 150600 x 200
1200 x 125900 x 150900 x 200750 x 250750 x 350660 x 4001200 x 300900 x 400
350 x 200300 x 250400 x 200350 x 250450 x 200400 x 250450 x 250350 x 300500 x 250400 x 300
450 x 300400 x 350600 x 300450 x 400600 x 450550 x 500750 x 450600 x 600
RF page 2 of 2
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Materials CR-A 1.0mm Aluminium sheet roll formed.
Features Natural anodized. CR vent louvers incorporated with louver blade and stainless steel insect netting. ASLI vent louvers are designed for ease of installation on any exhaust duct. There are four pieces of inverted spring hooks attached at the colar. Spring
hook will secure the vent louver onto the duct or wall. Common application for fresh air intake, exhaust outlets and ventilation for
interior and exterior locations. Widely used in homes, condominiums, apartments, warehouses, gymnasiums, etc.
Standard Sizes 3100(4"), 125(5"), 150(6")
CR Construction Illustrations
CR Vent Louver
All stated specifications are updated at the printing date and subject to change without notice or obligation. The actual product might differ from pictures shown.
CR page 1 of 2
CR Physical Dimension Unit:mmFree Area (m2)
0.00370.00460.00740.0130
RC Performance Data6.256.865.72
1. Derive the minimum free area from air flow rate with recommended maximum free area velocity of 3.8m/s. Given 150 CMH, minimum free area = (150/3600)/3.8 = 0.011 m2
2. From the dimension table, find the corresponding minimum louver size. Size 200 has free area of 0.013m 2.3. Check the static pressure drop from the table above. Face velocity of 3.8m/s has about 2.5 mmAq static pressure drop for air intake application.
5.04.453.43
4.53.682.92
4.02.672.16
3.52.031.57
3.01.521.14
2.51.020.84
2.00.640.53
1.50.360.30
Face Velocity (m/s)Static Pressure (mmAq)Static Pressure (mmAq)
IntakeExhaust
DB
C + 55C + 5
C97122147197
Size100125150200
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CR Vent Louver
All stated specifications are updated at the printing date and subject to change without notice or obligation. The actual product might differ from pictures shown.
CR page 2 of 2
CR-1A-125 Physical Dimension Unit:mmType
CR-1A-100CR-1A-125CR-1A-150
A148173208
B93104122
C242830
D97122147
L404158
CR-1A-125-FD Physical DimensionUnit:mmType
CR-1A-100-FDCR-1A-125-FDCR-1A-150-FD
A148173208
B93104122
C242830
D98123148
L767897
CR-2A-125 Physical Dimension Unit:mmType
CR-2A-100CR-2A-125CR-2A-150
A148173208
B93104122
C242830
D97122147
L404158
CR-2A-125-FD Physical DimensionUnit:mmType
CR-2A-100-FDCR-2A-125-FDCR-2A-150-FD
A148173208
B93104122
C242830
D98123148
L767897
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Materials Perforated face: 0.8mm SPGC galvanized steel. Diffuser frame: Extruded aluminum A6063.
Surface Finish Baked white powder coat standard.
Features Diffuser face is perforated. The perforated face is removable by unlocking the spring hatch. Face size for model RKC is 603mm x 603mm suitable for T-bar mounting. For ductwork connection, a square adapter or square to round adapter
to the frame.
Accessories D2 Square to round adapter.
RK & RKC Construction Illustrations
RK & RKC Perforated Face Return Air Diffuser
All stated specifications are updated at the printing date and subject to change without notice or obligation. The actual product might differ from pictures shown.
RK Physical Dimension Unit:mm
RK & RKC page 1 of 2
D Face Size
W + 20H + 20
RKC Physical Dimension Unit:mmD Face Size603 x 603
C Neck Size563 x 563
B Ceiling Size
W + 10H + 10
C Neck Size
W x H
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RK & RKC + D2 Square to Round Adapter With D2 square to round adapter fitted to the RK, RKC diffuser it will enable easy installation of flexible duct. The D2 adapters are constructed of 0.6mm galvanized steel with baked black as standard finish.
RK & RKC A layer of filter of thickness 6mm is on the perforated face of the diffuser. To clean the air filter, pull the perforated face downward & remove the air filter.
RK & RKC Perforated Face Return Air Diffuser
All stated specifications are updated at the printing date and subject to change without notice or obligation. The actual product might differ from pictures shown.
RK & RKC Performance Data
RK & RKC page 2 of 2
260 x 260(0.0676)360 x 360(0.1296)460 x 460(0.2116)560 x 560(0.3136)
Neck Size mmArea m2
20.25
1.5486-
933-
1524-
2258-
3.50.75
4.285224
163327
266629
395130
2.50.4
2.2608-
1166-
1904-
282224
30.55
3.1730-
140024
228525
338626
41.0
5.597328
186631
304732
451634
51.55
8.3121734
233337
380939
564541
4.51.25
7.2109532
210034
342837
508038
Vel. M/SVel. Press(mmAq)
Neg. SP.(mmAq)CMHNC
CMHNC
CMHNC
CMHNC
NC value is based on room absorption of 10dB, re 10 -12 watts. Dash (-) in space indicates NC value less than 20.
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Materials B-A Extruded aluminium A6063.
Features Baked white powder coat or natural anodized. They are constructed of extruded aluminium and intended to be used as
removable frame for the mounting of various types of diffusers. They are normally used in non T-bar ceiling suspension systems. Not applicable for wall mounted grilles. When mount at ceiling, the grille or diffuser will rest on the
B type T-bar ceiling frame.
B Type Construction Illustrations
B Type T-Bar Ceiling Frame
All stated specifications are updated at the printing date and subject to change without notice or obligation. The actual product might differ from pictures shown.
B Type Physical Dimension Unit:mmD
Face Size
W+30H+30
Order Key
B - A - 600 x 600
ModelMaterials W H
Materials
ExtrudedAluminium
A6063
W x H
To suitgrilles ordiffusers
Thickness
12
Model
B-A
BCeiling Size
W+10H+10
RETURN AIR GRILLES ACCESSORIES page 1 of 3
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The G1 OBD damper is designed for even distribution of air over the entire face of diffuser. It is gear operated & can be adjusted from below by means of key or
screw driver. The damper can be set at fully open, half open & fully close. G1 damper are constructed of galvanized steel with baked black as standard finish. Height for G1-T: 60mm. Height for G1-A: 45mm.
Return Air Grille + G1 Opposed Blade Damper
All stated specifications are updated at the printing date and subject to change without notice or obligation. The actual product might differ from pictures shown.
With D2 square to round adapter fitted to the return air grilles it will enable easy installation of flexible duct. The D2 adapter are constructed of 0.6mm galvanized steel with baked black as standard finish.
Return Air Grille + D2 Square to Round Adapter
The insect netting is constructed of wire mesh of gauge 12 installed at the grille. R6 insect netting prevent scraps, debris and small animals from being sucked into the air duct. Three types of nettings: 1/4", 3/8", 1/2".
Return Air Grille + R6 Insect Netting
RETURN AIR GRILLES ACCESSORIES page 2 of 3
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Materials G1-T: Frame 0.6mm SPGC galvanized steel. Blade 0.5mm SPGC galvanized steel. G1-A: Extruded aluminium A6063.
Surface Finish G1-T Matt black as standard. G1-A Natural anodized. Maximum dimension is 500mm x 500mm damper size bigger than this will come in sections. Gear operated, can be set at fully open, half open and fully close.
G1 Opposed Blade Damper
Materials D2-T: 0.6mm SPGC galvanized steel. D2-P: ABS plastic.
Surface Finish Baked black.
Standard Sizes D2-T: Made to suit. D2-P: 200, 250, 300, 350.
D2 Square to Round Adapter
Materials Frame 0.6mm SPGC galvanized steel. Gauge 12 wire mesh. Wire mesh grid: 1/4", 3/8", 1/2". With return air grille, R6 is fixed directly to the back of the grille. When R6 is installed at the air duct, a frame will be added.
R6 Insect Netting