Engineering Data - Hart & Cooley
Engineering Data SR/AR Square & Rectangular Ceiling Diffusers — Steel/Aluminum (Page 34) Four-Way Square 500 .020 50 2-3/2-3 110 2-4/2-4 200 3-5/3-5 310 4-6/4-6 450 4-8/4-8 615 5-9/5-9 800 5-11/5-11 1010 6-12/6-12 1370 7-13/7-13
600 700 800 900 1000 1200 1400 .020 .030 .040 .050 .060 .090 .120 60 70 80 90 100 120 140 2-3/2-3 2-4/2-4 2-4/2-4 3-5/3-5 3-5/3-5 4-6/4-6 4-8/4-8 135 155 180 205 225 270 315 2-4/2-4 3-5/3-5 3-5/3-5 4-6/4-6 5-8/5-8 5-9/5-9 6-11/6-11 240 280 320 360 400 480 560 4-6/4-6 4-8/4-8 5-8/5-8 5-9/5-9 6-11/6-11 6-12/6-12 7-13/7-13 375 440 500 565 625 750 875 4-8/4-8 5-9/5-9 6-11/6-11 6-11/6-11 6-12/6-12 8-15/8-15 10-18/10-18 540 630 720 810 900 1080 1260 5-9/5-9 5-11/5-11 6-12/6-12 7-13/7-13 8-15/8-15 10-17/10-17 11-20/11-20 740 860 985 1110 1230 1475 1725 6-11/6-11 7-13/7-13 8-14/8-14 9-15/9-15 9-17/9-17 11-21/11-21 13-25/13-25 960 1120 1275 1440 1600 1925 2240 7-13/7-13 7-14/7-14 8-15/8-15 9-17/9-17 10-19/10-19 12-23/12-23 14-29/14-29 1215 1420 1615 1820 2020 2430 2840 7-13/7-13 8-15/8-15 10-18/10-18 10-19/10-19 12-22/12-22 14-27/14-27 16-32/16-32 1650 1925 2200 2470 2750 3300 3850 9-16/9-16 10-18/10-18 21-21/12-21 14-24/14-24 16-27/16-27 18-33/18-33 19-37/19-37
1600 .160 160 5-8/5-8 360 6-12/6-12 640 8-15/8-15 1000 10-19/10-19 1440 13-23/13-23 1970 15-29/15-29 2570 16-31/16-31 3240 18-35/18-35 4400 23-41/23-41
1800 .200 180 5-9/5-9 410 7-13/7-13 725 9-17/9-17 1125 12-21/12-21 1620 15-27/15-27 2220 17-31/17-31 2890 18-35/18-35 3650 20-38/20-38 4950 27-46/27-46
2000 .250 200 6-11/6-11 450 8-14/8-14 800 10-19/10-19 1250 13-23/13-23 1800 16-30/16-30 2460 19-35/19-35 3200 20-39/20-39 4040 23-42/23-42 5500 31-50/31-50
1600 .160 240 4-8/7-13 320 4-8/8-15 480 7-13/9-17 600 6-12/11-21 720 6-12/13-25 850 8-13/16-31 800 8-15/11-21 950 9-16/13-23 1100 8-15/16-29 1280 9-17/17-31 1200 10-19/13-23 1600 11-21/17-32 1920 13-25/18-34 3070 16-29/26-43 3200 16-31/21-39
1800 .200 270 5-9/8-15 360 5-9/10-18 540 7-13/10-18 675 7-13/13-25 810 8-14/15-29 955 9-15/19-35 900 10-18/13-23 1070 10-18/15-27 1240 9-17/17-31 1440 10-19/19-35 1350 12-22/15-26 1800 13-23/20-36 2160 15-30/21-37 3450 17-31/29-47 3600 19-35/24-43
2000 .250 300 6-11/8-15 400 6-11/11-21 600 8-14/11-19 750 7-13/13-25 900 10-17/17-32 1060 10-17/21-38 1000 12-21/14-27 1190 12-21/17-31 1375 10-19/19-35 1600 10-19/21-39 1500 14-25/17-29 2000 15-27/22-39 2400 16-32/23-41 3840 21-39/35-56 4000 22-40/29-51
Engineering Data
Face Velocity Pressure Loss CFM 6x6 Ak .100 Throw X/Y CFM 9x9 Ak .220 Throw X/Y CFM 12 x 12 Ak .400 Throw X/Y CFM 15 x 15 Ak .620 Throw X/Y CFM 18 x 18 Ak .900 Throw X/Y CFM 21 x 21 Ak 1.230 Throw X/Y CFM 24 x 24 Ak 1.600 Throw X/Y CFM 27 x 27 Ak 2.020 Throw X/Y CFM 33 x 33 Ak 2.750 Throw X/Y
Four-Way Rectangular Face Velocity Pressure Loss CFM 9x6 Ak .150 Throw X/Y CFM 12 x 6 Ak .200 Throw X/Y CFM 12 x 9 Ak .300 Throw X/Y CFM 15 x 9 Ak .370 Throw X/Y CFM 18 x 9 Ak .450 Throw X/Y CFM 21 x 9 Ak .530 Throw X/Y CFM 15 x 12 Ak .500 Throw X/Y CFM 18 x 12 Ak .590 Throw X/Y CFM 21 x 12 Ak .690 Throw X/Y CFM 24 x 12 Ak .800 Throw X/Y CFM 18 x 15 Ak .75 Throw X/Y CFM 24 x 15 Ak 1.000 Throw X/Y CFM 24 x 18 Ak 1.200 Throw X/Y CFM 33 x 21 Ak 1.920 Throw X/Y CFM 30 x 24 Ak 2.000 Throw X/Y
500 .020 75 1-3/2-4 100 1-3/3-5 150 2-4/3-5 185 2-4/4-6 225 2-4/4-6 265 2-4/5-9 250 3-5/4-6 295 2-4/4-8 345 3-5/5-9 400 2-4/6-11 375 4-6/4-8 500 4-6/6-11 600 4-8/6-11 960 4-8/8-15 1000 6-11/7-13
600 .020 90 1-3/3-5 120 1-3/4-6 180 2-4/3-5 225 2-4/4-6 270 2-4/5-9 320 2-4/6-11 300 3-5/4-8 355 3-5/5-9 415 3-5/6-11 480 4-6/7-13 450 4-8/5-9 600 4-8/6-12 720 5-9/6-12 1150 6-11/10-18 1200 6-12/8-15
700 .030 105 2-4/3-5 140 2-4/4-8 210 3-5/4-6 265 3-5/5-9 315 3-5/6-11 370 3-5/8-14 350 4-6/5-9 415 4-6/6-11 485 4-6/7-13 560 4-6/8-14 525 5-9/6-11 700 5-9/8-14 840 6-11/7-14 1340 7-13/12-22 1400 8-14/10-18
800 900 1000 1200 .040 .050 .060 .090 120 135 150 180 2-4/4-6 3-5/4-6 3-5/4-8 4-6/5-9 160 180 200 240 2-4/4-8 2-4/5-9 3-5/6-11 4-6/7-13 240 270 300 360 4-6/4-8 4-7/5-10 4-8/6-11 5-9/6-12 300 340 375 450 4-6/6-11 4-6/6-12 4-8/8-14 5-9/8-15 360 405 450 540 4-6/6-12 4-6/8-14 4-8/8-15 5-9/10-19 425 475 530 635 4-6/8-15 4-8/10-18 4-8/10-19 5-9/11-21 400 450 500 600 4-8/6-11 5-9/6-12 6-11/7-13 6-12/8-15 475 535 595 715 5-9/8-14 6-11/8-15 6-12/10-18 4-8/7-13 555 625 690 830 4-8/8-14 4-8/8-15 5-9/10-18 6-11/11-21 640 720 800 960 4-8/9-16 4-8/10-18 5-9/11-21 6-12/14-26 600 675 750 900 6-11/6-12 6-12/8-14 7-13/8-15 8-15/10-18 800 900 1000 1200 6-11/9-17 6-12/10-18 7-13/11-21 8-15/13-25 960 1080 1200 1440 6-12/8-15 7-14/10-19 8-15/11-21 10-18/13-23 1530 1725 1920 2300 8-14/13-25 8-15/15-29 10-18/17-31 12-21/21-35 1600 1800 2000 2400 8-15/11-21 10-18/13-23 10-19/14-26 12-23/16-29
1400 .120 210 4-6/5-9 280 4-8/8-15 420 6-11/7-13 525 5-9/9-17 630 5-10/11-23 740 6-17/13-25 700 7-13/10-18 835 8-14/11-21 970 7-13/14-26 1140 8-14/15-29 1050 9-17/10-19 1400 10-18/15-29 1680 11-21/15-27 2690 14-26/24-39 2800 15-28/19-35
Note 1: The minimum Throw Dimension is based on a terminal velocity of 200 fpm. The maximum Throw Dimension is based on a terminal velocity of 100 fpm.
Ceiling Height in Feet 7 8 9 10 12 14 16
Maximum Recommended Cooling Temperature Differential 15° 20° 25° 25° 30° 30° 30°
Maximum Recommended CFM Per Diffuser SR/AR
SR/AR/ASR Four-Way 400 600 1200 1800 3200 4800 6000
Three-Way 300 450 900 1350 2400 3600 4500
Two-Way 200 300 600 900 1600 2400 3000
NC
600 700 800 900 1000 1200 1400 .020 .030 .040 .050 .060 .090 .120 60 70 80 90 100 120 140 2-3/2-3 2-4/2-4 2-4/2-4 3-5/3-5 3-5/3-5 4-6/4-6 4-8/4-8 135 155 180 205 225 270 315 2-4/2-4 3-5/3-5 3-5/3-5 4-6/4-6 5-8/5-8 5-9/5-9 6-11/6-11 240 280 320 360 400 480 560 4-6/4-6 4-8/4-8 5-8/5-8 5-9/5-9 6-11/6-11 6-12/6-12 7-13/7-13 375 440 500 565 625 750 875 4-8/4-8 5-9/5-9 6-11/6-11 6-11/6-11 6-12/6-12 8-15/8-15 10-18/10-18 540 630 720 810 900 1080 1260 5-9/5-9 5-11/5-11 6-12/6-12 7-13/7-13 8-15/8-15 10-17/10-17 11-20/11-20 740 860 985 1110 1230 1475 1725 6-11/6-11 7-13/7-13 8-14/8-14 9-15/9-15 9-17/9-17 11-21/11-21 13-25/13-25 960 1120 1275 1440 1600 1925 2240 7-13/7-13 7-14/7-14 8-15/8-15 9-17/9-17 10-19/10-19 12-23/12-23 14-29/14-29 1215 1420 1615 1820 2020 2430 2840 7-13/7-13 8-15/8-15 10-18/10-18 10-19/10-19 12-22/12-22 14-27/14-27 16-32/16-32 1650 1925 2200 2470 2750 3300 3850 9-16/9-16 10-18/10-18 21-21/12-21 14-24/14-24 16-27/16-27 18-33/18-33 19-37/19-37
1600 .160 160 5-8/5-8 360 6-12/6-12 640 8-15/8-15 1000 10-19/10-19 1440 13-23/13-23 1970 15-29/15-29 2570 16-31/16-31 3240 18-35/18-35 4400 23-41/23-41
1800 .200 180 5-9/5-9 410 7-13/7-13 725 9-17/9-17 1125 12-21/12-21 1620 15-27/15-27 2220 17-31/17-31 2890 18-35/18-35 3650 20-38/20-38 4950 27-46/27-46
2000 .250 200 6-11/6-11 450 8-14/8-14 800 10-19/10-19 1250 13-23/13-23 1800 16-30/16-30 2460 19-35/19-35 3200 20-39/20-39 4040 23-42/23-42 5500 31-50/31-50
1600 .160 240 4-8/7-13 320 4-8/8-15 480 7-13/9-17 600 6-12/11-21 720 6-12/13-25 850 8-13/16-31 800 8-15/11-21 950 9-16/13-23 1100 8-15/16-29 1280 9-17/17-31 1200 10-19/13-23 1600 11-21/17-32 1920 13-25/18-34 3070 16-29/26-43 3200 16-31/21-39
1800 .200 270 5-9/8-15 360 5-9/10-18 540 7-13/10-18 675 7-13/13-25 810 8-14/15-29 955 9-15/19-35 900 10-18/13-23 1070 10-18/15-27 1240 9-17/17-31 1440 10-19/19-35 1350 12-22/15-26 1800 13-23/20-36 2160 15-30/21-37 3450 17-31/29-47 3600 19-35/24-43
2000 .250 300 6-11/8-15 400 6-11/11-21 600 8-14/11-19 750 7-13/13-25 900 10-17/17-32 1060 10-17/21-38 1000 12-21/14-27 1190 12-21/17-31 1375 10-19/19-35 1600 10-19/21-39 1500 14-25/17-29 2000 15-27/22-39 2400 16-32/23-41 3840 21-39/35-56 4000 22-40/29-51
Engineering Data
Face Velocity Pressure Loss CFM 6x6 Ak .100 Throw X/Y CFM 9x9 Ak .220 Throw X/Y CFM 12 x 12 Ak .400 Throw X/Y CFM 15 x 15 Ak .620 Throw X/Y CFM 18 x 18 Ak .900 Throw X/Y CFM 21 x 21 Ak 1.230 Throw X/Y CFM 24 x 24 Ak 1.600 Throw X/Y CFM 27 x 27 Ak 2.020 Throw X/Y CFM 33 x 33 Ak 2.750 Throw X/Y
Four-Way Rectangular Face Velocity Pressure Loss CFM 9x6 Ak .150 Throw X/Y CFM 12 x 6 Ak .200 Throw X/Y CFM 12 x 9 Ak .300 Throw X/Y CFM 15 x 9 Ak .370 Throw X/Y CFM 18 x 9 Ak .450 Throw X/Y CFM 21 x 9 Ak .530 Throw X/Y CFM 15 x 12 Ak .500 Throw X/Y CFM 18 x 12 Ak .590 Throw X/Y CFM 21 x 12 Ak .690 Throw X/Y CFM 24 x 12 Ak .800 Throw X/Y CFM 18 x 15 Ak .75 Throw X/Y CFM 24 x 15 Ak 1.000 Throw X/Y CFM 24 x 18 Ak 1.200 Throw X/Y CFM 33 x 21 Ak 1.920 Throw X/Y CFM 30 x 24 Ak 2.000 Throw X/Y
500 .020 75 1-3/2-4 100 1-3/3-5 150 2-4/3-5 185 2-4/4-6 225 2-4/4-6 265 2-4/5-9 250 3-5/4-6 295 2-4/4-8 345 3-5/5-9 400 2-4/6-11 375 4-6/4-8 500 4-6/6-11 600 4-8/6-11 960 4-8/8-15 1000 6-11/7-13
600 .020 90 1-3/3-5 120 1-3/4-6 180 2-4/3-5 225 2-4/4-6 270 2-4/5-9 320 2-4/6-11 300 3-5/4-8 355 3-5/5-9 415 3-5/6-11 480 4-6/7-13 450 4-8/5-9 600 4-8/6-12 720 5-9/6-12 1150 6-11/10-18 1200 6-12/8-15
700 .030 105 2-4/3-5 140 2-4/4-8 210 3-5/4-6 265 3-5/5-9 315 3-5/6-11 370 3-5/8-14 350 4-6/5-9 415 4-6/6-11 485 4-6/7-13 560 4-6/8-14 525 5-9/6-11 700 5-9/8-14 840 6-11/7-14 1340 7-13/12-22 1400 8-14/10-18
800 900 1000 1200 .040 .050 .060 .090 120 135 150 180 2-4/4-6 3-5/4-6 3-5/4-8 4-6/5-9 160 180 200 240 2-4/4-8 2-4/5-9 3-5/6-11 4-6/7-13 240 270 300 360 4-6/4-8 4-7/5-10 4-8/6-11 5-9/6-12 300 340 375 450 4-6/6-11 4-6/6-12 4-8/8-14 5-9/8-15 360 405 450 540 4-6/6-12 4-6/8-14 4-8/8-15 5-9/10-19 425 475 530 635 4-6/8-15 4-8/10-18 4-8/10-19 5-9/11-21 400 450 500 600 4-8/6-11 5-9/6-12 6-11/7-13 6-12/8-15 475 535 595 715 5-9/8-14 6-11/8-15 6-12/10-18 4-8/7-13 555 625 690 830 4-8/8-14 4-8/8-15 5-9/10-18 6-11/11-21 640 720 800 960 4-8/9-16 4-8/10-18 5-9/11-21 6-12/14-26 600 675 750 900 6-11/6-12 6-12/8-14 7-13/8-15 8-15/10-18 800 900 1000 1200 6-11/9-17 6-12/10-18 7-13/11-21 8-15/13-25 960 1080 1200 1440 6-12/8-15 7-14/10-19 8-15/11-21 10-18/13-23 1530 1725 1920 2300 8-14/13-25 8-15/15-29 10-18/17-31 12-21/21-35 1600 1800 2000 2400 8-15/11-21 10-18/13-23 10-19/14-26 12-23/16-29
1400 .120 210 4-6/5-9 280 4-8/8-15 420 6-11/7-13 525 5-9/9-17 630 5-10/11-23 740 6-17/13-25 700 7-13/10-18 835 8-14/11-21 970 7-13/14-26 1140 8-14/15-29 1050 9-17/10-19 1400 10-18/15-29 1680 11-21/15-27 2690 14-26/24-39 2800 15-28/19-35
Note 1: The minimum Throw Dimension is based on a terminal velocity of 200 fpm. The maximum Throw Dimension is based on a terminal velocity of 100 fpm.
Ceiling Height in Feet 7 8 9 10 12 14 16
Maximum Recommended Cooling Temperature Differential 15° 20° 25° 25° 30° 30° 30°
Maximum Recommended CFM Per Diffuser SR/AR
SR/AR/ASR Four-Way 400 600 1200 1800 3200 4800 6000
Three-Way 300 450 900 1350 2400 3600 4500
Two-Way 200 300 600 900 1600 2400 3000
NC
