Brochure

Note 2: The minimum Throw Dimension is based on a terminal velocity of 170 fpm. The maximum Throw Dimension is based on a terminal velocity of 85 fpm.
*Style 31L not available in square configuration
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NC<30 NC30 NC35 NC40 NC≥45
Three-Way Style 3
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 2-4/1-2 2-4/1-2 3-5/2-3 3-5/2-3 4-7/2-4 4-7/2-4 5-9/3-6 6-10/3-6 6-11/4-7 6-11/4-7 7-13/4-8
CFM 110 135 155 180 205 225 270 315 360 410 450
Throw X/Y 2-4/2-3 3-6/2-3 4-7/2-4 4-8/2-4 5-9/3-6 5-9/3-6 6-12/4-7 7-13/5-9 9-15/6-10 10-18/6-11 11-20/7-12
CFM 200 240 280 320 360 400 480 560 640 725 800
Throw X/Y 4-7/2-5 5-9/3-6 6-10/4-7 6-10/4-7 6-11/4-8 7-13/5-9 9-16/6-10 12-21/7-12 13-22/8-13 14-24/8-14 16-27/9-15
CFM 310 375 440 500 565 625 750 875 1000 1125 1250
Throw X/Y 4-8/2-4 6-11/4-7 7-13/4-7 8-14/4-8 8-15/5-9 9-16/6-10 11-19/7-12 13-23/9-15 15-26/10-18 17-29/11-20 19-33/12-21
CFM 450 540 630 720 810 900 1080 1260 1440 1620 1800
Throw X/Y 4-9/3-5 6-11/4-7 7-13/5-9 9-15/6-10 10-18/6-11 11-20/7-12 13-24/9-15 15-26/10-18 18-32/11-20 20-35/12-22 23-40/14-25
CFM 615 740 860 985 1110 1230 1475 1725 1970 2220 2460
Throw X/Y 5-11/3-6 7-13/4-8 11-19/6-11 11-20/7-12 12-21/8-13 13-23-8-14 16-29/10-17 19-34/11-20 21-39/14-23 24-42/16-25 27-45/18-29
CFM 800 960 1120 1275 1440 1600 1925 2240 2570 2890 3200
Throw X/Y 7-14/5-9 9-16/6-11 11-19/7-13 13-21/8-14 14-24/9-15 16-27/9-16 17-31/11-19 21-35/14-24 25-39/16-27 28-43/18-31 32-47/20-33
CFM 1010 1215 1420 1615 1820 2020 2430 2840 3240 3650 4040
Throw X/Y 7-13/4-9 9-16/6-11 11-20/7-13 13-23/9-15 14-25/9-16 15-27/10-18 18-31/12-21 22-37/14-25 25-41/18-30 28-46/19-33 31-50/21-36
Three-Way Style 31S and Style 31L*
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 2-3/4-7 2-3/4-7 2-3/4-7 2-4/4-8 3-5/5-8 3-6/5-9 4-7/6-11 4-8/7-12 6-10/9-15 6-11/10-17 6-11/11-19
CFM 115 135 155 180 200 225 270 315 360 405 450
Throw X/Y 1-3/4-7 2-3/5-9 2-3/6-11 2-4/7-12 3-6/8-14 3-6/9-16 4-7/10-18 4-8/12-21 5-9/14-24 6-10/16-28 6-11/18-32
CFM 150 180 210 240 210 300 360 420 480 540 600
Throw X/Y 2-3/4-8 2-4/5-9 3-6/6-10 4-7/7-12 4-8/8-14 4-8/8-14 5-9/9-16 6-10/11-20 7-12/14-24 8-13/15-26 9-15/16-28
CFM 200 240 280 320 360 400 480 560 640 720 800
Throw X/Y 2-3/5-11 2-4/7-13 3-6/9-15 3-6/10-17 4-7/11-19 4-8/12-21 6-10/15-26 6-11/18-32 7-12/20-34 7-13/21-36 8-14/24-42
CFM 310 375 440 500 565 625 750 875 1000 1125 1250
Throw X/Y 2-4/7-13 3-6/10-18 4-7/11-20 4-8/12-21 5-9/14-25 5-9/14-25 6-11/19-34 7-13/22-38 8-14/25-43 9-16/27-44 10-18/30-45
CFM 375 450 525 600 675 750 900 1050 1200 1350 1500
Throw X/Y 3-6/7-13 4-7/9-15 4-8/9-16 5-9/11-20 6-10/13-23 6-11/15-26 7-13/17-30 9-16/19-35 10-18/22-39 11-20/27-40 13-25/30-46
CFM 525 630 735 840 945 1050 1260 1475 1680 1890 2100
Throw X/Y 4-7/8-14 4-8/10-18 5-9/11-20 6-10/18-23 6-11/14-25
7-12/16-28 9-15/19-34 10-18/22-39 1
1-20/27-40 13-23/29-46 15-26/33-51
CFM 615 740 860 985 1110 1230 1475 1725 1970 2210 2460
Throw X/Y 3-6/9-17 4-8/12-21 5-9/16-27 6-10/17-30 7-11/19-32 7-12/21-36 9-15/26-40 11-19/30-45 13-22/34-51 15-25/39-56 17-28/43-60
CFM 780 940 1080 1250 1400 1560 1870 2180 2500 2800 3120
Throw X/Y 5-9/10-18 5-9/11-20 6-10/13-22 7-12/15-26 8-14/18-32 9-16/21-36 11-19/23-40 13-21/25-43 15-24/29-47 17-29/34-53 19-33/38-59
CFM 1000 1200 1400 1600 1800 2000 2400 2800 3200 3500 4000
Throw X/Y 5-9/11-20 6-11/13-23 7-13/16-27 8-14/17-31 9-16/20-35 10-18/22-40 12-21/25-44 14-25/31-48 16-29/34-53 18-32/38-57 20-35/43-61
CFM 1230 1475 1725 1970 2220 2460 2950 3450 3925 4425 4920
Throw X/Y 6-10/13-23 7-13/17-28 8-14/19-33 9-16/21-35 11-18/23-39 12-20/25-44 14-25/29-47 16-29/33-51 18-33/37-56 22-37/42-59 25-41/47-64
21 x 21*
Ak 1.230
27 x 21
Ak 1.560
30 x 24
Ak 2.000
33 x 27
Ak 2.460
12 x 12*
Ak .40
15 x 15*
Ak .620
18 x 15
Ak .750
21 x 18
Ak 1.050
Pressure Loss
9 x 6
Ak .150
9 x 9*
Ak .220
12 x 9
Ak .300
24 x 24
Ak 1.600
27 x 27
Ak 2.020
Face Velocity
12 x 12
Ak .400
15 x 15
Ak .620
18 x 18
Ak .900
21 x 21
Ak 1.230
Face Velocity
Pressure Loss
6 x 6
Ak .100
9 x 9
Ak .220
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
SR/AR Square & Rectangular Ceiling Diffusers — Steel/Aluminum (Page 30-33)
Recommended Noise Criteria and Face Velocity Ranges are on page 7588
Engineering Data
Engineering Data