Ceiling Diffuser Contents
DA Directional Ceiling Diffuser
• DA Directional Ceiling Diffuser ................................2 • DG Double Deflection Ceiling Diffuser ....................5 DG Double Deflection Ceiling Diffuser
• DP Plate Type Ceiling Diffuser ................................7 • CAC Ceiling Diffuser ................................................9 • PD & PDC Perforated Face Diffuser ......................11 • CA Round Diffuser ................................................14
DP Plate Type Ceiling Diffuser
• CA-A-C Round Diffuser ........................................16 • CP Plate Type Round Diffuser ..............................18 • Accessories ..........................................................20 CAC Ceiling Diffuser
D2 Square to Round Adapter
PD & PDC Perforated Face Diffuser
C1 Radial Fan Blade Damper
C3 Deflector Guide Vane
CA-A-C Round Diffuser
CA Round Diffuser
G1 Opposed Blade Damper
CP Plate Type Round Diffuser
DA & Directional Ceiling Diffuser • Materials:
DA Directional Ceiling Diffuser
• SPGC Galvanized Steel, Stainless Steel & Extruded Aluminium.
• Surface Finish:
• DA-T: White Powder Coated, oven baked as standard. • DA-S: Stainless Steel Original Color. • DA-A: White Powder Coat oven baked or Natural Anodized.
• Accessories:
• G1 Opposed Blade Damper. • C1 Radial Fan Blace Damper. • D2 Square to Round Adapter. • Frame for DA is flush. • DA diffuser can be made square or rectangular. The direction of air flow can be 1-way, 2-way, 3-way or 4-way.
• Standard Size:
• Comply to requirements for both square & rectangular diffuser.
Construction Illustration
DA Physcal Dimension Unit:mm
DA+ G1 Opposed Blade Damper
Model
C Neck Size
DA-T DA-S
WXH
DA-A
WXH
A Duct Size W +10 H +10 W +10 H +10
B Ceiling Size W +110 H +110 W +75 H +75
D Face Size W +124 H +120 595 X 595 603 X 603
H Height 65 50
• DA, + G1 Opposed Blade Damper.
• The G1 Opposed Blade 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 matt black as standard finish. • Height for G1-T 50mm.
2
DA & Directional Ceiling Diffuser • DA + C1 Radial Fan Blade Damper. • The C1 radial fan blade damper is a volume control adjustable from below by means of key or screw driver.
• Mould pressed, 0.6mm thick galvanized steel with matt black as standard finish.
DA + C1 Radial Fan Blade Damper
• Height for C1-T 60mm.
• DA + D2 Square to Round Adapter c/w Radial Fan Blade Damper
• With D2 square to round adapter fitted to the DA, it will enable easy installation of flexible duct. • The D2 adapter are constructed of 0.6mm galvanized steel with matt black as standard finish and optional with or without damper.
• DA + G1 OBD Damper
• Model DA has a removable core for easy adjustable of OBD volume damper.
DA + D2 Square to Round Adapter c/w Radial Fan Blade Damper
DA + G1 OBD Damper
• The removable core is hooked to the inner frame a spring-loaded clip. Neck sizes above 450mm will not have a removable core.
3
Performance Data for DA Products Specification Unit:mm
Model
Materials
Surface Finish
DA-T
0.8 SPGC Steel
White Powder Coat, Oven Baked
DA-S
0.5 Stainless Steel SUS. 304
Original Colour
DA-A
Performance Data for DA
White Powder Coat, Extruded Aluminium Oven Baked or A6063 Natural Anodized
NECK SIZE(mm) AREA (m2) 150 x 150 (0.023)
200 x 200 (0.023)
250 x 250 (0.0625)
300 x 300 (0.09)
350 x 350 (0.1225)
150 X 150 200 X 200 250 X 250 300 X 300 350 X 350 400 X 400 450 X 450 500 X 500 550 X 550 600 X 600
Accessories
Order Key DA - T + C1 - 150 X 150
G1 Opposed Blade Damper D2 Square to Round Damper C1 Radial Fan Blade
W
Model
H
Accessories Materials
VELOCITY (m/s-1)
1.5
2.0
2.5
3.0
3.5
4.0
CMH
125
170
210
255
300
340
Total Press (mmAq)
0.9
0.95
1.05
1.5
2.1
2.6
Throw (M)
1.2-1.5
1.5-21
1.8-2.4
2.4-3.3
3.0-3.9
3.3-4.5
NC
-
16
22
28
33
41
CMH
280
305
386
460
534
610
Total Press (mmAq)
0.95
1.0
1.1
1.5
2.1
2.6
Throw (M)
12.-1.5
1.8-2.4
2.4-3.0
2.7-3.6
3.3-4.5
4.2-5.4
NC
-
17
23
28
33
42
CMH
-
372
468
560
650
745
Total Press (mmAq)
1.0
1.1
1.6
2.4
3.2
4.1
Throw (M)
1.3-1.8
2.1-3.5
2.4-3.8
3.0-4.5
3.2-4.8
3.5-5.1
NC
-
-
19
26
31
36
CMH Total Press (mmAq)
510 1.2
680 1.6
850 2.5
1020 3.4
1190 4.8
1360 6.0
Throw (M)
1.5-2.1
2.1-3.0
2.7-3.6
3.3-4.5
4.2--5.4
4.5-6.0
NC
-
22
28
34
39
45
CMH
655
870
1090
1305
1520
1740
Total Press (mmAq)
1.2
1.3
2.1
2.9
4.1
5.3
Throw (M)
1.8-2.4
2.4-3.3
3.3-4.2
3.9-5.1
5.1-6.3
5.7-7.2
NC
-
24
30
36
41
50
• Throw is based on terminal velocities of 0.5m/s-0.25m/s respectively. • NC value is based on a room absorption of 10 dB, re 10-12 watts. • Dash (-) in space indicates NC value less than 20.
4
Standard Sizes
• Performance tables are based on steel construction. For performance with aluminium construction the pressure loss is 1.52P, and add 2 for NC value. • The performance data is tested based on A.D.C. standard.
DG Double Deflection Ceiling Diffuser • Materials:
DG Double Deflection Ceiling Diffuser
• DG-T: 0.6mm SPGC Galvanized Steel.
• Surface Finish:
• White Powder Coated, oven baked as standard.
• Accessories:
• G1 Opposed Blade Damper. • C1 Radial Fan Blade Damper. • The diffuser core in the center is made of double deflection blade, which enables more air distribution in the perpendicular direction. It is suitable for high ceiling installation.
• Standard Neck Size:
• 200 , 250 , 285 , 365 (mm).
Construction Illustration
C Neck Size
A Duct Size
200 X 200
210 X 210
250 X 250
260 X 260
285 X 285
295 X 295
365 X 365 480 X 480
Model
DG-T
Materials
0.6 SPGC Steel
B Ceiling Size
D Face Size
410 X 410
410 X 410
375 X 375
490 X 490
490 X 490
485 X 485
555 X 555
603 X 603
H Height
Physical Dimension Unit:mm
89
Surface Finish
White Powder Coat, Oven Baked
Standard Sizes
200 X 200 250 X 250 285 X 285 365 X 365
Accessories
G1 Opposed Blade Damper C1 Radial Fan Blade Damper
Order Key DG - T + C1 - 200 X 200
Products Specification Unit:mm
Neck Size Materials Model
Accessories
5
Performance Data for DG • DG + G1 Opposed Blade Damper.
DG + G1 Opposed Blade Damper
• 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 matt black as standard finish. • Height for G1-T 50mm.
• DG + C1 Radial Fan Blade Damper
DG + C1 Radial Fan Blade Damper
• With C1 radial fan blade damper fitted to the DG diffuser, it will enable easy installation of flexible duct. • The C1 are constructed of 0.6mm galvanized steel with baked black as standard finish. • Air balancing can be done by adjusting the damper. • Height for C1-T 60mm.
Performance Data for DG
Vel. M/S Neck Size mm Tot. Press 22˚ Area (mmAq) 45˚ m2 CMH 200 X 200 (0.04)
Throw (M)
285 X 285 (0.081)
365 X 365 (0.133)
480 X 480 (0.225)
Throw (M)
3
3.5
4
4.5
5
0.8
221.4 2.0
1.9
2.4
3.2
4.2
5.1
2.5
3.8
5.0
6.4
7.8
1.1 288
360
432
504
576
648
720
2.6-4.5
3.3-5.0
3.9-5.6
4.3-6.1
4.6-6.6
5.0-7.0
5.1-7.2
45˚
1.6-2.7
2.2-3.1
2.4-3.4
2.7-3.7
3.0-4.0
3.1-4.2
3.3-4.5
-
-
-
24
28
30
33
CMH (0.0625)
2.5
22˚
NC 250 X 250
2
450
563
675
788
900
1013
1125
22˚
3.3-5.4
3.9-6.2
4.7-6.7
5.4-7.4
5.7-7.8
6.1-8.3
6.5-9.0
45˚
2.1-3.4
2.6-3.9
3.0-4.2
3.3-4.6
3.5-5.0
3.8-5.3
4.0-5.5
NC
-
-
21
26
29
32
37
CMH
583
729
875
1020
1166
1312
1458
22˚
4.0-6.9
4.9-7.7
6.0-8.4
6.6-9.0
7.0-9.8
7.4-10.3
7.8-10.9
45˚
2.6-4.2
3.2-4.7
3.8-5.3
4.1-5.7
4.4-6.1
4.6-6.4
5.0-6.6
Throw (M) NC
-
-
23
27
32
35
39
CMH
957
1197
1436
1675
1915
2154
2394
22˚
4.5-8.0
5.6-9.0
7.0-9.7
7.5-10.6
8.0-11.2
8.6-11.8
9.0-12.5
45˚
2.9-5.0
3.6-5.5
4.3-6.0
4.7-6.6
5.0-6.9
5.3-7.4
5.5-7.8
Throw (M) NC
-
-
24
29
33
36
40
CMH
1620
2025
2430
2835
3240
3645
4050
22˚
7.9-13.5
9.6-15.2
11.4-16.4
12.7-17.8
13.8-19.2
14.7-20.3
15.6-21.2
45˚
4.8-8.2
6.0-9.4
7.2-10.3
7.9-11.0
8.4-11.9
9.0-12.9
26
31
36
39
9.5-13.5 41
Throw (M) NC
-
• Throw is based on terminal velocities of 0.5 m/s-0.25 m/s respectively. • NC value is based on a room absorption of 10 dB, re 10-12 watts. • Dash (-) in space indicates NC value less than 20.
6
• With C1 damper, the pressure loss is 1.136P. And add 2 for for NC value. • The performance data is tested based on A.D.C. standard.
DP Plate Type Ceiling Diffuser • Materials:
DP Plate Type Ceiling Diffuser
• DP-T: 0.6mm SPGC Galvanized Steel.
• Surface Finish:
• White Powder Coat, oven baked as standard.
• Accessories:
• G1 Opposed Blade Damper. • C1 Radial Fan Blade Damper. • The diffuser core for the DP supply air diffuser is in the form of a plate which will enable an even spread of air distribution.
• Standard Size:
• DP-Round Neck: 200ø, 250ø, 300ø(mm). • DP-Square Neck: 200 , 250 , 300 (mm).
Construction Illustration
C Neck Size
A Duct Size
200
210
250
260
300
310
200 X 200
210 X 210
250 X 250
260 X 260
300 X 300
310 X 310
Model
DP-T
Materials
0.6 SPGC Steel
B Ceiling Size
D Face Size
H Height
Physical Dimension Unit:mm
410 X 410
410 X 410
Surface Finish
White Powder Coat, Oven Baked
Standard Sizes
Round Neck 200ø-300ø Square Neck 200ø-300ø
595 X 595
79
603 X 603
450 X 450
61
Accessories
C1 Radial Fan Blade Damper G1 Opposed Blade Damper
Order Key DP - T + C1 - 250
Products Specification Unit:mm
Neck Size Materials Model
Accessories
7
Performance Data for DP • DP (Square Neck) + G1 Opposed Blade Damper.
DP + G1 Opposed Blade Damper
• 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 matt black as standard finish. • Height for G1-T 50mm.
• DP (Round Neck) + C1 Radial Fan Blade Damper.
DP + C1 Radial Fan Blade Damper
• The C1 radial fan blade damper is a volume control adjustable from below by means of key or screw driver. • Mould pressed, 0.6mm thick galvanized steel. • Height for C1-T 60mm.
Neck Size mm Area m2
Vel. M/S
Performance CMH Data for 200 X 200 Tot. Press(mmAq) DP Throw(M) (0.04)
3
3.5
4
4.5
5
288
360 d.
432
504
576
648
720
0.8
1.2
1.4
1.9
2.4
3.0
3.8
0.9-1.8
1.6-2.0
1.7-2.3
1.9-2.7
2.2-3.4
2.4-3.4
2.7-4.0
-
-
-
-
22
26
30
CMH
450
563
675
788
900
1013
1125
1.2
1.6
2.0
2.8
3.6
4.6
5.8
Throw(M)
1.5-2.8
1.9-3.5
2.1-3.8
2.4-4.1
3.0-4.3
3.0-5.0
3.3-5.2
NC
-
-
-
22
26
32
35
CMH
648
810
972
1134
1296
1458
1620
300 X 300 Tot. Press(mmAq) (0.09)
2.5
NC 250 X 250 Tot. Press(mmAq) (0.0625)
2
Throw(M)
1.6
2.3
3.0
4.0
5.1
6.4
8.0
2.0-3.8
2.6-4.3
3.0-4.8
3.3-5.0
4.0-6.4
4.3-7.0
5.1-7.2
NC
-
-
22
25
30
34
38
CMH
233
292
350
408
467
525
583
200
Tot. Press(mmAq)
0.6
0.9
1.1
1.5
1.9
2.4
3.0
(0.0324)
Throw(M)
0.7-1.5
1.3-1.6
1.4-1.8
1.5-2.2
1.8-2.5
1.9-2.8
2.2-3.2
NC
-
-
-
-
-
22
25
CMH
365
456
548
640
430
820
913
250
Tot. Press(mmAq)
0.9
1.3
1.6
2.2
2.9
3.8
4.7
(0.0507)
Throw(M)
1.2-2.3
1.5-2.8
1.7-3.0
1.9-3.3
2.4-3.5
2.5-4.1
2.7-4.3
NC
-
-
-
-
22
26
30
CMH
526
658
790
920
1052
1185
1315
300
Tot. Press(mmAq)
1.3
1.8
2.4
3.2
4.2
5.2
6.4
(0.0731)
Throw(M)
1.6-3.1
2.1-3.5
2.4-3.9
2.7-4.8
3.2-5.2
3.6-5.8
4.2-6.0
NC
-
-
-
22
26
30
33
• Throw is based on terminal velocities of 0.5 m/s-0.25 m/s respectively. • NC value is based on a room absorption of 10 dB, re 10-12 watts.
8
• Dash (-) in space indicates NC value less than 20. • The performance data is tested based on A.D.C. standar
CAC Ceiling Diffuser • Materials:
CAC Ceiling Diffuser
• CAC-T: 0.6mm SPGC Galvanized Steel, mould pressed. • CAC-A: 0.8mm Aluminum Sheet, mould pressed. • CAC-P: Injection Moulded ABS Plastic.
• Surface Finish:
• Baked white Powder Coat as standard. • CAC-P: White colour.
• Accessories:
• C1 Radial Fan Blade Damper. • Face size is 603mm X 603mm designed for T-bar ceiling mounting. • Round diffuser: Each diffusing cone is mould pressed, no welding joint.
• Patent No.: • 574406
• Standard Size:
• 200ø, 250ø, 300ø, 350ø(mm).
Construction Illustration
C Neck Size
A Duct Size
200
210
250
260
300
310
350
360
Model
Materials
CAC-T
0.6 SPGC Steel
CAC-A
0.8 Aluminum Steel
CAC-P
ABS Plastic
B Diffusing Size
D Face Size
H Height
Physical Dimension Unit:mm
400
603 X 603
79
455
Surface Finish
Standard Sizes
Accessories
Order Key CAC - T + C1 - 200
Baked White Powder Coat
White
200ø 250ø 300ø 350ø
C1 Radial Fan Blade Damper
Products Specification Unit:mm
Accessories Materials Model
Neck Size
9
Performance Data for CAC • CAC Round Neck
CAC Round Neck
• The CAC round neck diffuser is fixed to 2x2 ceiling to provice easy installation to round outlet.
• CAC + C1 Radial Fan Blade Damper
CAC + C1 Radial Fan Blade Damper
• The C1 radial fan blade damper is a volume control adjustable from below by means of key or screw driver.
• Mould pressed, 0.6mm thick galvanized steel with baked blade as standard finish. • Height for CAC + C1 = 79mm.
Neck Size mm Area m2
Vel. M/S
Performance CMH Data for 200 Tot. Press(mmAq) CAC (0.0324) Throw(M)
2
2.5
3
3.5
4
4.5
5
233
292
350
408
467
525
583
1.0
1.5
1.9
2.2
2.4
3.1
3.7
0.6-1.0
0.7-1.6
0.8-1.8
1.0-2.2
1.2-2.5
1.5-2.8
1.8-3.0
NC
-
-
-
22
26
28
32
CMH
365
456
548
640
730
820
913
250
Tot. Press(mmAq)
1.0
1.6
2.0
2.2
2.4
3.3
4.0
(0.0507)
Throw(M)
0.6-1.3
0.9-1.8
1.3-2.2
1.6-2.6
2.2-3.0
2.3-3.5
2.4-4.0
NC
-
-
22
26
28
30
35
CMH
526
658
790
920
1052
1158
1315
300
Tot. Press(mmAq)
1.1
1.7
2.1
2.3
2.6
3.5
4.2
(0.0731)
Throw(M)
0.8-1.8
1.3-2.4
1.6-2.8
1.9-3.3
2.3-3.6
2.5-4.1
2.8-4.7
NC
-
-
23
28
29
32
36
CMH
705
881
1057
1234
1410
1585
1762
350
Tot. Press(mmAq)
1.1
1.7
2.1
2.3
2.5
3.4
4.1
(0.979)
Throw(M)
1.2-2.0
1.6-2.6
1.8-3.1
2.1-3.6
2.5-4.2
2.8-4.8
3.4-5.4
NC
-
-
23
26
27
31
36
• Throw is based on terminal velocities of 0.5 m/s-0.25 m/s respectively. • NC value is based on a room absorption of 10 dB, re 10-12 watts.
10
• Dash (-) in space indicates NC value less than 20. • The performance data is tested based on A.D.C. standard.
PD & PDC Perforated Face Diffuser • Materials:
PD & PDC Perforated Face Diffuser
• Perforated Face: 0.8mm SPGC Galvanized Steel. • Square to Round Adapter: 0.6mm SPGC Galvanized Steel. • Diffuser Frame: Extruded Aluminum A6063.
• Surface Finish:
• Baked White Powder Coat. • Square to Round Adapter - Baked Blacl or E.G finished. • Diffuser face is perforated with round openings. For uniformity, this diffuser series has both supply air & return air. • The perforated face is removable by unlocking the spring hatch for easy adjustment of pattern deflectors. • The 4 pieces of pattern deflector can adjust the flow pattern to 1, 2, 3 or 4 way • Model PDC, face size is 603mm X 603mm suitable for T-Bar mounting.
• Standard Size:
• 200ø, 250ø, 300ø, 350ø, 400ø(mm).
Construction Illustration
C Neck Size
A Duct Size
B Ceiling Size
D Face Size
H Height
200
380 X 380
400 X 400
460 X 460
80
250
380 X 380
400 X 400
460 X 460
80
300
480 X 480
500 X 500
560 X 560
80
350
480 X 480
500 X 500
560 X 560
80
C Neck Size
A Duct Size
B Ceiling Size
D Face Size
H Height
540 X 540
545
603 X 603
80
200 250 300
PD Physical Dimension Unit:mm
PDC Physical Dimension Unit:mm
350
11
Performance Data for PD & PDC • For model PD & PDC, the four pieces of deflector can adjust the flow pattern to 1, 2, 3 or 4 way. • The perforated face is removable by unlocking the spring for easy adjustment of flow pattern.
Performance Data for PDC
Neck Size mm Area m2
200 (0.0324)
250 (0.0507)
300 (0.0324)
350 (0.0507)
300 (0.0324)
Vel.M/S
2
2.5
3
3.5
4
4.5
5
Vel.Press (mmAq) CMH Tot. Press (mmAq) NC 1 Way Throw 2 Way (M) 3 Way 4 Way CMH Tot. Press (mmAq) NC 1 Way Throw 2 Way (M) 3 Way 4 Way CMH Tot. Press (mmAq) NC 1 Way Throw 2 Way (M) 3 Way 4 Way CMH Tot. Press (mmAq) NC 1 Way Throw 2 Way (M) 3 Way 4 Way CMH Tot. Press (mmAq) NC 1 Way Throw 2 Way (M) 3 Way 4 Way
0.25 233 0.7 1.1-3.2 0.8-2.6 0.5-1.6 0.3-1.0 365 0.9 21 2.0-4.4 1.4-3.5 0.8-0.6 0.3-1.4 526 1.1 24 2.6-5.6 2.0-4.6 1.4-3.5 5.0-2.0 705 1.3 26 3.5-7.1 2.9-5.8 2.0-4.1 0.8-2.6 934 1.5 26 5.0-7.1 2.3-3.8 2.0-3.8 1.4-2.9
0.4 292 1.2 22 1.6-4.1 1.1-3.2 0.8-2.3 0.3-1.4 456 1.4 26 2.5-5.6 2.0-4.4 1.4-3.2 0.5-2.0 658 1.7 28 3.5-7.1 2.9-5.8 2.0-4.4 0.8-2.6 881 2.0 31 4.4-8.9 3.5-5.7 2.6-5.3 1.4-3.2 1167 2.4 32 5.6-8.1 2.9-4.4 2.3-4.4 2.3-3.2
0.55 350 1.6 26 2.2-4.6 1.6-3.7 1.1-2.9 0.5-1.6 548 2.0 30 3.2-6.8 2.6-5.6 2.0-4.1 0.8-2.2 790 2.4 33 4.1-8.6 3.5-7.1 2.6-5.2 1.4-3.2 1057 2.7 35 5.3-11.0 4.4-8.9 3.2-6.5 1.7-3.7 1400 3.4 35 6.2-9.0 3.2-4.7 2.9-4.7 2.6-3.5
0.75 408 2.2 28 2.6-5.6 2.2-4.6 1.4-3.2 0.5-2.0 640 2.7 34 3.7-8.1 3.2-6.5 2.3-4.7 1.1-2.8 920 3.3 38 5.0-9.9 4.1-8.3 2.8-6.1 1.7-3.7 1234 3.8 39 6.2-12.8 5.0-10.4 3.7-7.7 2.3-4.6 1635 4.6 40 6.8-9.5 3.5-5.0 3.4-7.0 2.6-3.7
1.0 467 2.8 34 3.2-6.5 2.6-5.3 1.6-3.7 0.8-2.3 730 3.5 38 4.4-8.9 3.5-7.5 2.6-5.3 1.4-3.2 1052 4.3 42 5.6-11.5 4.6-9.5 3.5-7.1 2.0-4.1 1410 4.9 45 7.1-14.7 5.8-11.8 4.1-8.6 2.6-5.3 1868 6.0 46 7.1-10.5 3.7-5.3 3.6-5.3 2.8-4.1
1.25 525 3.5 39 3.6-7.0 2.9-6.0 2.0-4.4 1.1-2.6 820 4.4 42 5.0-9.7 3.9-8.4 2.9-6.0 1.7-3.7 1185 5.4 46 6.3-12.6 5.3-10.7 3.9-8.1 2.3-4.6 1585 6.3 50 8.1-16.0 6.6-13.6 4.7-10.0 2.9-6.0 2100 7.6 50 7.6-11.0 4.0-5.6 3.9-5.6 3.0-4.4
1.55 583 4.4 42 4.1-7.5 3.2-6.5 2.3-5.0 1.4-3.0 913 5.5 47 5.6-10.4 4.4-9.2 4.4-9.2 2.0-4.1 1315 6.6 49 7.1-13.5 5.8-11.9 4.4-8.9 2.6-5.2 1762 7.6 53 9.0-16.8 7.5-14.7 5.3-11.0 3.2-6.8 2335 9.4 54 8.1-11.6 4.2-5.8 4.2-5.8 3.2-4.7
• Throw is based on terminal velocities of 0.5 m/s-0.25 m/s respectively. • NC value is based on a room absorption of 10 dB, re 10-12 watts. • Dash (-) in space indicates NC value less than 20.
12
• Ducted return data for PDC: Negative SP = Total Press. NC = Above Plus 2dB • The performance data is tested based on A.D.C. standard.
Performance Data for PD & PDC Vel.M/S
2
2.5
3
3.5
4
4.5
5
Vel.Press (mmAq)
0.25
0.4
0.55
0.75
1.0
1.25
1.55
Neg. SP. (mmAq)
1.3
1.9
2.8
3.9
5.0
6.6
7.6
240 X 240 (0.0576)
CMH
414
518
622
725
830
933
1037
NC
-
-
-
21
25
29
32
340 X 340 (0.1156)
CMH
832
1040
1250
1456
1665
1873
2080
NC
-
-
21
24
28
31
35
440 X 440 (0.1936)
CMH
1394
1742
2090
2440
2788
3136
3485
NC
-
-
22
26
29
34
37
540 X 540 (0.2916)
CMH
2100
2625
3150
3675
4200
4724
5250
NC
-
21
23
27
31
35
39
Neck Size mm Area m2
• • •
Performance Data for PDC
NC value is based on a room absorption of 10 dB, re 10-12 watts. Dash (-) in space indicates NC value less than 20. The performance data is tested based on A.D.C. standard.
Neck Size mm Area m2
200 (0.0324)
250 (0.0507)
Neck Size mm Area m2
300 (0.0731)
350 (0.0979)
Vel.M/S
2
2.5
3
3.5
4
4.5
5
Vel.Press (mmAq)
0.25
0.4
0.55
0.75
1.0
1.25
1.55
CMH
233
292
350
408
467
525
583
Tot. Press (mmAq)
0.7
1.1
1.6
2.2
2.8
3.5
4.3
NC
-
-
-
23
26
29
33
1 Way
1.1-3.2
1.6-4.1
2.2-4.6
2.6-5.6
3.2-6.5
3.6-7.0
4.1-7.5
2 Way
0.8-2.6
1.1-3.2
1.6-3.7
2.2-4.6
2.6-5.3
2.9-6.0
3.2-6.5
3 Way
0.5-1.6
0.8-2.3
1.1-2.9
1.4-3.2
1.6-3.7
2.0-4.4
2.3-5.0
4 Way
0.3-1.0
0.3-1.4
0.5-1.6
0.5-2.0
0.8-2.3
1.1-2.6
1.4-3.0
CMH
365
456
548
640
730
820
913
Tot. Press (mmAq)
0.9
1.4
2.0
2.7
3.5
4.4
5.5
Throw (M)
NC
-
-
23
25
29
30
35
1 Way
2.0-4.4
2.5-5.6
3.2-6.8
3.7-8.1
4.4-8.9
5.0-9.7
5.6-10.4
2 Way
1.4-3.5
2.0-4.4
2.6-5.6
3.2-6.5
3.5-7.5
3.9-8.4
4.4-9.2
3 Way
0.8-2.6
1.4-3.2
2.0-4.1
2.3-4.7
2.6-5.3
2.9-6.0
3.2-6.8
4 Way
0.3-1.4
0.5-2.0
0.8-2.2
1.1-2.8
1.4-3.2
1.7-3.7
20.-4.1
Vel.M/S
2
2.5
3
3.5
4
4.5
5
Vel.Press (mmAq)
0.25
0.4
0.55
0.75
1.0
1.25
1.55
CMH
526
658
790
920
1052
1185
1315
Tot. Press (mmAq)
1.1
1.7
2.4
3.3
4.3
5.4
6.6
NC
21
26
30
34
38
42
46
1 Way
2.5-5.6
3.5-7.1
4.1-8.6
5.0-9.9
5.9-11.5
6.3-12.6
7.1-13.5
2 Way
2.0-4.6
2.9-5.8
3.5-7.1
4.1-8.3
4.6-9.5
5.3-10.7
5.8-11.9
3 Way
1.4-3.5
2.0-4.4
2.6-5.2
2.8-6.1
3.5-7.1
3.9-8.1
4.4-8.9
4 Way
0.5-2.0
0.8-2.6
1.4-3.2
1.7-3.7
2.0-4.1
2.3-4.6
2.6-5.2
Throw (M)
Throw (M) CMH
705
881
1057
1234
1410
1585
1762
Tot. Press (mmAq)
1.3
2.0
2.7
3.8
4.9
6.3
7.6
NC
22
28
33
36
40
46
49
1 Way
3.5-7.1
4.4-8.9
5.3-11.0
6.2-12.8
7.1-14.7
8.1-16.0
9.0-16.8
2 Way
2.9-5.8
3.5-7.5
4.4-8.9
5.0-10.4
5.8-11.8
6.6-13.6
7.5-14.7
3 Way
2.0-4.1
2.6-5.3
3.2-6.5
3.7-7.7
4.1-8.6
4.7-10.0
5.3-11.0
4 Way
0.8-2.6
1.4-3.2
1.7-3.7
2.3-4.6
2.6-5.3
2.9-6.0
3.2-6.8
Throw (M)
• Throw is based on terminal velocities of 0.5 m/s-0.25 m/s respectively. • NC value is based on a room absorption of 10 dB, re 10-12 watts. • Dash (-) in space indicates NC value less than 20.
Performance Data for PD 460 X 460
Performance Data for PD 560 X 560
• Ducted return data for PDC: Negative SP = Total Press. NC = Above Plus 2dB • The performance data is tested based on A.D.C. standard.
13
CA Round Diffuser • Materials:
CA Round Diffuser
• CA-A: 0.8mm Aluminium Sheet roll formed. • CA-P: Injection Moulded ABS Plastic.
• Surface Finish:
• CA-A: White Powder Coat, oven baked or Natural Anodized. • CA-P: White Color.
• Accessories:
• C1 radial fan blade damper. • Model CA is removable multi-cones diffuser with two angles of deflection, it has a removable centre core.
• Standard Size:
• CA-A: 150ø - 600ø(mm)
Construction Illustration
Physcal Dimension
Model
C Neck Size
A Duct Size
B Ceiling Size
D Face Size
H Height
150
150
155
240
255
82
200
203
205
295
305
95
250
254
258
335
355
103
300
305
308
385
407
112
350
355
358
445
457
114
400
406
410
500
562
119
450
450
453
575
655
120
500
500
503
625
705
123
550
550
553
675
745
128
600
600
603
730
805
130
Unit:mm
Product Specification Unit:mm
Model
Materials
Surface Finish
CA-A
0.8 Aluminium Sheet
White Power Coat, Oven Baked or Natural Anodized
CA-P
14
ABS Plastic
White Colour
Standard Sizes
Accessories
150ø-600ø
C1 Radial Fan Blade Damper 150ø-400ø
Order Key CA - A + C1 - 250 Accessories Materials Model
Neck Size
Performance Data for CA Neck Size mm Area m2
150
Vel.M/S
2
3
4
5
6
7
8
CMH
130
196
262
328
393
460
525
Tot.Press (mmAq)
0.8
1.5
2.3
3.6
5.1
6.9
9.1
(0.0182) Radus of Diff(M)
200
0.5-0.8
0.8-1.4
1.1-2.0
1.4-2.3
1.7-2.9
2.0-3.2
2.4-3.8
NC
-
-
25
32
38
43
45
CMH
233
350
467
583
700
816
933
Tot.Press (mmAq)
(0.0324) Radus of Diff(M)
250
27
34
40
44
47
730
913
1095
1280
1460
Tot.Press (mmAq)
1.0
2.1
2.5
4.1
5.8
8.2
10.7
0.8-1.4
1.4-2.3
2.2-3.2
2.3-4.1
2.8-4.7
3.5-5.5
3.8-6.5
NC
-
23
28
35
41
45
48
CMH
526
790
1052
1315
1580
1842
2105
1.1
2.2
2.8
4.4
6.4
8.7
11.2
1.0-2.0
1.7-2.9
2.3-3.8
2.9-4.7
3.5-5.6
4.1-6.8
4.7-7.6
NC
-
23
29
37
43
46
50
CMH
705
1057
1410
1762
2115
2467
2820
Tot.Press (mmAq)
0.9
2.0
2.9
4.4
6.5
8.5
11.5
Tot.Press (mmAq)
1.3-2.2
2.0-3.2
2.6-4.3
3.5-5.5
4.1-6.5
4.7-7.6
5.5-8.7
NC
-
24
29
38
43
47
52
CMH
934
1400
1868
2335
2800
3270
3735
Tot.Press (mmAq)
0.8
1.5
2.4
3.6
5.2
6.9
9.1
1.4-2.6
2.2-3.7
3.1-5.0
4.1-6.5
4.6-7.6
5.5-8.6
6.4-10.2
NC
-
24
31
40
44
47
52
CMH
1182
1773
2365
2955
3546
4140
4730
Tot.Press (mmAq)
0.8
1.5
2.3
3.6
5.1
6.9
9.1
1.6-2.8
2.5-4.3
3.5-5.8
4.3-7.0
6.2-8.5
6.1-9.8
7.0-11.4
NC
-
25
32
42
46
50
54
CMH
1460
2190
2920
3650
4380
5110
5840
Tot.Press (mmAq)
0.9
2.0
2.9
4.4
6.5
8.5
11.5
1.9-3.2
2.8-4.6
4.1-6.4
5.0-7.8
5.5-9.4
7.0-11.1
8.5-12.5
NC
-
25
33
42
47
52
56
CMH
1765
2648
3530
4415
5295
6180
7060
Tot.Press (mmAq)
(0.2452) Radus of Diff(M)
600
10.2 3.2-5.0
22
(0.2027) Radus of Diff(M)
550
7.7 2.6-4.3
548
(0.1642) Radus of Diff(M)
500
5.6 2.2-3.8
-
(0.1297) Radus of Diff(M)
450
3.9 2.0-3.2
365
(0.0979) Radus of Diff(M)
400
2.5 1.4-2.6
NC
(0.0731) Radus of Diff(M)
350
2.0 1.1-2.0
CMH (0.0507) Radus of Diff(M)
300
1.0 0.8-1.1
1.1
2.2
2.8
4.4
6.4
8.7
11.2
2.0-3.5
3.2-5.0
4.3-7.0
5.4-8.6
6.3-10.4
7.6-12.2
8.8-14.0
NC
-
26
33
44
48
52
56
CMH
2100
3152
4203
5255
6305
7355
8405
Tot.Press (mmAq)
(0.2919) Radus of Diff(M) NC
1.0
1.7
2.3
3.9
5.6
7.7
10.2
2.2-3.8
3.5-5.5
4.7-7.5
5.8-9.4
7.0-11.5
8.2-13.1
9.4-15.2
21
26
34
44
48
53
57
• Redian of diffusion based on terminal velocities of 0.5 m/s-0.25 m/s respectively. • NC value is based on a room absorption of 10 dB, re 10-12 watts.
Performance Data for CA
• Dash (-) in space indicates NC value less than 20. • The performance data is tested based on A.D.C. standard.
15
CA-A-C Round Diffuser • Materials:
CA-A-C Round Diffuser
• CA-A-C: 0.8mm Aluminium Sheet roll formed.
• Surface Finish:
• CA-A-C: White Powder Coat, oven baked or Natural Anodized.
• Accessories:
• C1 radial fan blade damper. • Model CA is removable multi-cones diffuser with two angles of deflection, it has a removable centre core.
• Standard Size:
• CA-A-C: 150ø-300ø(mm)
Construction Illustration
Physcal Dimension Unit:mm
Product Specification
Model
A
B
D
H
K
T
150
340ø
35
147ø
125
80
15
200
440ø
40
197ø
135
80
20
250
520ø
40
247ø
145
80
20
300
610ø
45
297ø
145
80
23
Model
Materials
Unit:mm
Surface Finish
0.8 Aluminium Sheet
Oven Baked or Natural Anodized
Accessories C1 Radial
White Power Coat, CA-A
16
Standard Sizes
150ø-300ø
Order Key CA - A + C1 - 250
Fan Blade Damper 150ø-300ø
Accessories Materials Model
Neck Size
Performance Data for CA-A-C Neck Size mm Area m2
152 (0.0181)
Vel.M/S
2
2.5
3
3.5
4
4.5
5
6
CMH
131
163
196
228
261
294
326
392
Tot.Press (mmAq)
H
0.2
0.3
0.5
0.7
0.9
1.1
1.4
2.1
V
0.5
0.8
1.2
1.6
2
2.6
3.2
4.6
Radus of Diff (M)
H
0.6
0.7
0.8
0.9
1
1.1
1.2
1.3
V
1.1
1.4
1.7
2
2.3
2.7
3
3.6
H
-
-
-
26
30
34
36
40
V
-
-
21
26
30
34
36
42
NC CMH
202 (0.0320)
231
288
346
403
461
519
576
692
Tot.Press (mmAq)
H
0.2
0.3
0.5
0.7
0.9
1.1
1.4
2.1
V
0.5
0.8
1.2
1.6
2
2.6
3.2
4.6
Radus of Diff (M)
H
0.9
1
1.2
1.3
1.4
1.5
1.7
1.9
V
1.3
1.6
2
2.3
2.7
3
3.4
4.1
H
-
-
21
27
31
35
38
43
NC
V
CMH
252 (0.0499)
23
29
33
36
40
45
538
628
718
807
897
1076
0.9
1.1
1.4
2.1
H
0.2
0.3
0.5
0.7
V
0.5
0.8
1.2
1.6
2
2.6
3.2
4.6
Radus of Diff (M)
H
1
1.2
1.4
1.5
1.7
1.8
2
2.2
V
1.6
2.1
2.5
3
3.4
3.8
4.3
5.1
H
-
-
23
29
33
36
39
43
V
CMH
(0.0716)
448
Tot.Press (mmAq)
NC
302
359
-
-
25
30
34
38
40
46
515
644
773
902
1031
1159
1288
1546
Tot.Press (mmAq)
H
0.2
0.3
0.5
0.7
0.9
1.1
1.4
2.1
V
0.5
0.8
1.2
1.6
2
2.6
3.2
4.6
Radus of Diff (M)
H
1.2
1.4
1.6
1.8
2
2.1
2.3
2.6
V
2
2.5
3
3.6
4.1
4.6
5.2
6.2
H
-
-
24
29
33
37
39
44
V
-
-
27
32
36
39
42
47
NC
• Redian of diffusion based on terminal velocities of 0.5 m/s-0.25 m/s respectively. • NC value is based on a room absorption of 10 dB, re 10-12 watts.
Performance Data for CA-A-C
• Dash (-) in space indicates NC value less than 20. • The performance data is tested based on A.D.C. standard.
17
CP Plate Type Round Diffuser • Materials:
CP Plate Type Round Diffuser
• CP-A: 0.8mm Aluminium Sheet roll formed. • CP-P: Injection Moulded ABS Plastic.
• Surface Finish:
• CP-A: White Powder Coat, oven baked as standard. • CP-P: White colour.
• Accessories:
• C3 Deflector Guide Vane. • C3 deflector guide vane can be connected to the round neck of CP-A. • CP-A has a bevel frame.
• Standard Size:
• 150ø, 200ø, 250ø, 300ø(mm)
Construction Illustration
Physical Dimension
Model
C Neck Size
A Duct Size
B Ceiling Size
D Face Size
H Height
150
152
155
170
295
70
200
203
205
220
350
78
250
254
258
270
415
81
300
305
308
320
460
82
Unit:mm
Product Specification Unit:mm
Model
Materials
Surface Finish
CP-A
0.8 Aluminium Sheet
White Powder Coat, Oven Baked
CP-P
ABS Plastic
White Colour
Standard Sizes
Accessories
Order Key CP - A + C1 - 250
150ø 200ø 250ø 300ø
C3 Deflector Guide Vane
Accessories Materials Model
18
Neck Size
Performance Data for CP • CP + C3 Deflector Guide Vane.
CP + C3 Deflector Guide Vane
• C3 deflector guide vane consists of a splitter damper & equalizing deflector & thus serve as even air distribution & volume control. • Constructed of 0.6mm galvanized steel & baked matt black as standard finish. • Maximum damper blade opening is 35˚.
Neck Size mm Area m2
Vel.M/S
2
3
4
5
6
7
8
CMH
130
196
262
328
393
460
525
150
Tot. Press(mmAq)
1.3
1.8
3.1
4.5
6.8
9.1
11.5
(0.0182)
Throw (M)
2.4-3.1
3.7-5.1
4.8-6.8
6.0-8.5
7.0-10.0
8.6-11.8
9.9-13.5
NC
-
-
22
29
32
36
41
CMH
233
350
467
583
700
816
933
200
Tot. Press(mmAq)
1.2
1.5
2.6
3.9
5.5
7.8
10.2
(0.0324)
Throw (M)
3.6-5.0
4.7-6.8
6.5-9.1
8.0-11.2
9.5-13.5
11.2-15.9
13.0-18.2
NC
-
-
21
27
32
36
40
CMH
365
548
730
913
1095
1280
1460
250
Tot. Press(mmAq)
1.2
1.5
2.5
3.6
5.2
7.2
9.4
(0.0507)
Throw (M)
4.8-6.8
6.0-8.5
8.0-11.4
10.2-14.1
12.2-17.2
14.2-19.1
16.1-22.0
NC
-
-
-
25
31
35
39
CMH
526
790
1052
1315
1580
1842
2105
300
Tot. Press(mmAq)
1.1
1.4
2.3
3.4
5.1
6.8
9.0
(0.0731)
Throw (M)
6.0-8.2
7.2-10.2
9.7-13.5
12.2-17.1
14.5-20.1
17.0-24.0
19.2-26.8
NC
-
-
-
24
30
34
38
• Throw is based on terminal velocities of 0.5 m/s-0.25 m/s respectively. • NC value is based on a room absorption of 8 dB, re 10-12 watts.
Performance Data for CP
• Dash (-) in space indicates NC value less than 20. • The performance data is tested based on A.D.C. standard.mm
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Accessories C1 Radial Fan Blade Damper
• C1 Radial Fan Blade Damper. • Materials: 0.6mm SPGC Galvanized Steel. • Surface Finish: Matt Black. • The products consists of a fan type radial opposed blade damper. • Standard Sizes: 200ø, 250ø, 300ø, 350ø(mm).
C3 Deflector Guide Vane
• C3 Deflector Guide Vane. • Materials: 0.6mm SPGC Galvanized Steel. • Surface Finish: Matt Black. • For volume control & air equalizing. • Standard Sizes: 200ø, 250ø, 300ø, 350ø(mm).
Model G1 Opposed Blade Damper
• G1 Opposed Blade Damper.
• Materials: • G1-T: Frame 0.6mm SPGC Galvanized Steel. Blade 0.5mm SPGC Galvanized Steel. • Surface Finish: • G1-T Baked Black as standard. • 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 & fully close.
20
Accessories • D2 Square to Round Adapter.
Model D2 Square To Round Adapter
• Materials: • D2-T: 0.6mm SPGC Galvanized Steel. • Surface Finish: Matt Black. • Standard Sizes: • D2-T: Made to suit.
Type of Area
Range of NC Criteria Curves
RESIDENCES Private homes (rural and suburban) Private homes (urban ) Apartment houses, 2-and 3-family units
20-30 25-35 30-40
HOTELS Individual rooms or suites Ballrooms, banquet rooms Halls and corridors, lobbies Garages Kitchens and laundries
30-40 30-40 35-45 40-50 40-50
HOSPITALS AND CLINICS Private rooms Operating rooms, wards Laboratories, halls and corridors Lobbies and waiting rooms Washrooms and toilets OFFICES Board room Conference rooms Executive office Supervisor office, reception room General open offices, drafting rooms Halls and corridors Tabulation and computation AUDITORIUMS AND MUSIC HALLS Concert and opera halls Studios for sound reproduction Legitimate theaters, multi-purpose halls Movie theaters, TV audience studios Semi-outdoor amphitheaters Lecture halls, planetarium Lobbies
25-35 30-40 35-45 40-50 20-30 25-35 30-40 30-45 35-45 35-50 40-60 40-50 15-25 25-30 30-35 35-45
CHURCHES AND SCHOOLS Sanctuaries Libraries Schools and classrooms Laboratories Recreation halls Corridors and halls Kitchens
20-30 30-40 30-40 35-45 35-50 35-50 40-50
PUBLIC BUILDINGS Public libraries, museums, court rooms Post office, general banking areas, lobbies Washrooms and toilets
30-40 35-45 40-50
RESTAURANTS, CAFETERIAS, LOUNGES Restaurants Cocktail lounges Night clubs Cafeterias
35-45 35-50 35-45 40-50
STORES, RETAIL Clothing stores Department stores (upper floors) Department stores (main floor) Small retail stores Supermarkets
Recommended Noise Criteria for Rooms (3)
35-45 40-50 40-50
SPORTS ACTIVITIES, INDOOR Coliseums Bowling alleys, gymnasiums Swimming pools
30-40 35-45 35-45
TRANSPORTATION (RAIL, BUS, PLANE) Ticket sales offices Lounges and waiting rooms
30-40 35-50
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