Diffuser

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

19

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

21