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Ceiling Diffuser Contents DA Directional Ceiling Diffuser • DA Directional Ceiling Diffuser • DG Double Deflection Ceiling Diffuser DG Double Deflection Ceiling Diffuser • DP Plate Type Ceiling Diffuser • CAC Ceiling Diffuser • 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 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 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 Standard Sizes • Performance tables are based on steel construction For performance with aluminium construction the pressure loss is 1.52P, and add 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 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) 3.5 4.5 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 250 450 563 675 788 900 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 • With C1 damper, the pressure loss is 1.136P And add 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 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) 3.5 4.5 288 360 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) 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 • 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 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) 2.5 3.5 4.5 233 292 350 408 467 525 583 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 pieces of pattern deflector can adjust the flow pattern to 1, 2, or 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, or 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 2.5 3.5 4.5 Vel.Press (mmAq) CMH Tot Press (mmAq) NC Way Throw Way (M) Way Way CMH Tot Press (mmAq) NC Way Throw Way (M) Way Way CMH Tot Press (mmAq) NC Way Throw Way (M) Way Way CMH Tot Press (mmAq) NC Way Throw Way (M) Way Way CMH Tot Press (mmAq) NC Way Throw Way (M) Way 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 2.5 3.5 4.5 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 2.5 3.5 4.5 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 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 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 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 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 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 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 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 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 2.5 3.5 4.5 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 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 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 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 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 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 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 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 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 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 2.5 3.5 4.5 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 2.6 3.2 4.6 Radus of Diff (M) H 0.6 0.7 0.8 0.9 1.1 1.2 1.3 V 1.1 1.4 1.7 2.3 2.7 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 2.6 3.2 4.6 Radus of Diff (M) H 0.9 1.2 1.3 1.4 1.5 1.7 1.9 V 1.3 1.6 2.3 2.7 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 2.6 3.2 4.6 Radus of Diff (M) H 1.2 1.4 1.5 1.7 1.8 2.2 V 1.6 2.1 2.5 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 2.6 3.2 4.6 Radus of Diff (M) H 1.2 1.4 1.6 1.8 2.1 2.3 2.6 V 2.5 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 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 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