Brochure

AR Square & Rectangular Ceiling Diffusers — Steel/Aluminum (Page 30-33)
NC<30 NC30 NC35 NC40 NC≥45
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.
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Four-Way Square
500 600 700 800 900 1000 1200 1400 1600 1800 2000
.020 .020 .030 .040 .050 .060 .090 .120 .160 .200 .250
CFM 50 60 70 80 90 100 120 140 160 180 200
Throw X/Y 2-3/2-3 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 5-8/5-8 5-9/5-9
6-11/6-11
CFM 110 135 155 180 205 225 270 315 360 410 450
Throw X/Y 2-4/2-4 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 6-12/6-12 7-13/7-13 8-14/8-14
CFM 200 240 280 320 360 400 480 560 640 725 800
Throw X/Y 3-5/3-5 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 8-15/8-15 9-17/9-17 10-19/10-19
CFM 310 375 440 500 565 625 750 875 1000 1125 1250
Throw X/Y 4-6/4-6 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 10-19/10-19 12-21/12-21 13-23/13-23
CFM 450 540 630 720 810 900 1080 1260 1440 1620 1800
Throw X/Y 4-8/4-8 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 13-23/13-23 15-27/15-27 16-30/16-30
CFM 615 740 860 985 1110 1230 1475 1725 1970 2220 2460
Throw X/Y 5-9/5-9 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 15-29/15-29 17-31/17-31 19-35/19-35
CFM 800 960 1120 1275 1440 1600 1925 2240 2570 2890 3200
Throw X/Y 5-11/5-11 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 16-31/16-31 18-35/18-35 20-39/20-39
CFM 1010 1215 1420 1615 1820 2020 2430 2840 3240 3650 4040
Throw X/Y 6-12/6-12 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 18-35/18-35 20-38/20-38 23-42/23-42
CFM 1370 1650 1925 2200 2470 2750 3300 3850 4400 4950 5500
Throw X/Y 7-13/7-13 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 23-41/23-41 27-46/27-46 31-50/31-50
Four-Way Rectangular
500 600 700 800 900 1000 1200 1400 1600 1800 2000
.020 .020 .030 .040 .050 .060 .090 .120 .160 .200 .250
CFM 75 90 105 120 135 150 180 210 240 270 300
Throw X/Y 1-3/2-4 1-3/3-5 2-4/3-5 2-4/4-6 3-5/4-6 3-5/4-8 4-6/5-9 4-6/5-9 4-8/7-13 5-9/8-15 6-11/8-15
CFM 100 120 140 160 180 200 240 280 320 360 400
Throw X/Y 1-3/3-5 1-3/4-6 2-4/4-8 2-4/4-8 2-4/5-9 3-5/6-11 4-6/7-13 4-8/8-15 4-8/8-15 5-9/10-18 6-11/11-21
CFM 150 180 210 240 270 300 360 420 480 540 600
Throw X/Y 2-4/3-5 2-4/3-5 3-5/4-6 4-6/4-8 4-7/5-10 4-8/6-11 5-9/6-12 6-11/7-13 7-13/9-17 7-13/10-18 8-14/11-19
CFM 185 225 265 300 340 375 450 525 600 675 750
Throw X/Y 2-4/4-6 2-4/4-6 3-5/5-9 4-6/6-11 4-6/6-12 4-8/8-14 5-9/8-15 5-9/9-17 6-12/11-21 7-13/13-25 7-13/13-25
CFM 225 270 315 360 405 450 540 630 720 810 900
Throw X/Y 2-4/4-6 2-4/5-9 3-5/6-11 4-6/6-12 4-6/8-14 4-8/8-15 5-9/10-19 5-10/11-23 6-12/13-25 8-14/15-29 10-17/17-32
CFM 265 320 370 425 475 530 635 740 850 955 1060
Throw X/Y 2-4/5-9 2-4/6-11 3-5/8-14 4-6/8-15 4-8/10-18 4-8/10-19 5-9/11-21 6-17/13-25 8-13/16-31 9-15/19-35 10-17/21-38
CFM 250 300 350 400 450 500 600 700 800 900 1000
Throw X/Y 3-5/4-6 3-5/4-8 4-6/5-9 4-8/6-11 5-9/6-12 6-11/7-13 6-12/8-15 7-13/10-18 8-15/11-21 10-18/13-23 12-21/14-27
CFM 295 355 415 475 535 595 715 835 950 1070 1190
Throw X/Y 2-4/4-8 3-5/5-9 4-6/6-11 4-8/7-13
5-9/8-14 6-1
1/8-15 6-12/10-18 8-14/11-21 9-16/13-23 10-18/15-27 12-21/17-31
CFM 345 415 485 555 625 690 830 970 1100 1240 1375
Throw X/Y 3-5/5-9 3-5/6-11 4-6/7-13 4-8/8-14 4-8/8-15 5-9/10-18 6-11/11-21 7-13/14-26 8-15/16-29 9-17/17-31 10-19/19-35
CFM 400 480 560 640 720 800 960 1140 1280 1440 1600
Throw X/Y 2-4/6-11 4-6/7-13 4-6/8-14 4-8/9-16 4-8/10-18 5-9/11-21 6-12/14-26 8-14/15-29 9-17/17-31 10-19/19-35 10-19/21-39
CFM 375 450 525 600 675 750 900 1050 1200 1350 1500
Throw X/Y 4-6/4-8 4-8/5-9 5-9/6-11 6-11/6-12 6-12/8-14 7-13/8-15 8-15/10-18 9-17/10-19 10-19/13-23 12-22/15-26 14-25/17-29
CFM 500 600 700 800 900 1000 1200 1400 1600 1800 2000
Throw X/Y 4-6/6-11 4-8/6-12 5-9/8-14 6-11/9-17 6-12/10-18 7-13/11-21 8-15/13-25 10-18/15-29 11-21/17-32 13-23/20-36 15-27/22-39
CFM 600 720 840 960 1080 1200 1440 1680 1920 2160 2400
Throw X/Y 4-8/6-11 5-9/6-12 6-11/7-14 6-12/8-15 7-14/10-19 8-15/11-21 10-18/13-23 11-21/15-27 13-25/18-34 15-30/21-37 16-32/23-41
CFM 960 1150 1340 1530 1725 1920 2300 2690 3070 3450 3840
Throw X/Y 4-8/8-15 6-11/10-18 7-13/12-22 8-14/13-25 8-15/15-29 10-18/17-31 12-21/21-35 14-26/24-39 16-29/26-43 17-31/29-47 21-39/35-56
CFM 1000 1200 1400 1600 1800 2000 2400 2800 3200 3600 4000
Throw X/Y 6-11/7-13 6-12/8-15 8-14/10-18 8-15/11-21 10-18/13-23 10-19/14-26 12-23/16-29 15-28/19-35 16-31/21-39 19-35/24-43 22-40/29-51
18 x 9
Ak .450
Face Velocity
Pressure Loss
9 x 6
Ak .150
15 x 15
Ak .620
18 x 18
Ak .900
21 x 21
Ak 1.230
24 x 24
Ak 1.600
30 x 24
Ak 2.000
27 x 27
Ak 2.020
33 x 33
Ak 2.750
24 x 12
Ak .800
18 x 15
Ak .75
24 x 15
Ak 1.000
24 x 18
Ak 1.200
21 x 9
Ak .530
15 x 12
Ak .500
18 x 12
Ak .590
Face Velocity
6 x 6
Ak .100
9 x 9
Ak .220
12 x 12
Ak .400
Pressure Loss
33 x 21
Ak 1.920
21 x 12
Ak .690
12 x 6
Ak .200
12 x 9
Ak .300
15 x 9
Ak .370
SR/AR/ASR
Four-Way Three-Way Two-Way One-Way
7 15° 400 300 200 100
8 20° 600 450 300 150
9 25° 1200 900 600 300
10 25° 1800 1350 900 450
12 30° 3200 2400 1600 800
14 30° 4800 3600 2400 1200
16 30° 6000 4500 3000 1500
Maximum
Recommended
Cooling
Temperature
Differential
Ceiling
Height
in Feet
Maximum Recommended CFM Per Diffuser
SR/AR
Recommended Noise Criteria and Face Velocity Ranges are on page 75
Engineering Data
87
Engineering Data