Brochure

300 400 500 600 700 800 1000 1200
.016 .029 .046 .066 .090 .117 .183 .263
CFM 42 56 70 84 98 112 140 168
Horizontal Throw 7-3 8-4 9-5 10-6 11-7 12-8 13-9 14-10
Noise Criteria - - - - - 23 29 35
CFM 54 72 90 108 126 144 180 216
Horizontal Throw 8-5 9-6 10-7 11-8 12-8 13-9 14-10 16-11
Noise Criteria - - - - 20 24 31 36
CFM 63 84 105 126 147 168 210 252
Horizontal Throw 8-5 10-7 11-8 12-8 13-9 14-10 16-11 17-12
Noise Criteria - - - - 21 25 31 37
CFM 75 100 125 150 175 200 250 300
Horizontal Throw 9-5 11-7 12-8 13-9 14-10 15-11 17-12 19-13
Noise Criteria - - - - 21 25 32 37
CFM 117 156 195 234 273 312 390 468
Horizontal Throw 12-7 13-9 15-10 17-11 18-12 19-13 21-15 24-16
Noise Criteria - - - - 23 27 34 39
CFM 156 208 260 312 364 416 520 624
Horizontal Throw 13-8 16-11 18-12 19-13 21-14 22-15 25-17 27-19
Noise Criteria - - - 20 24 28 35 40
CFM 189 252 315 378 441 504 630 756
Horizontal Throw 15-8 17-12 19-13 21-14 23-16 24-17 27-19 30-20
Noise Criteria - - - 20 25 29 36 41
CFM 198 264 330 396 462 528 660 792
Horizontal Throw 15-9 18-12 20-13 22-15 24-16 25-17 28-19 31-21
Noise Criteria - - - 21 25 29 36 41
CFM 213 284 355 426 497 568 710 852
Horizontal Throw 16-9 18-13 20-14 23-15 24-17 26-18 30-20 35-22
Noise Criteria - - - 21 26 30 36 42
CFM 264 352 440 528 616 704 880 1056
Horizontal Throw 18-10 20-14 23-16 25-17 27-18 29-20 32-22 36-24
Noise Criteria - - - 22 26 30 37 43
CFM 294 392 490 588 686 784 980 1176
Horizontal Throw 19-10 21-15 24-17 26-18 28-19 30-21 34-23 38-25
Noise Criteria - - - 23 27 31 38 44
CFM 333 444 555 666 777 888 1110 1332
Horizontal Throw 20-11 23-16 25-18 28-19 30-21 32-22 36-25 40-27
Noise Criteria - - - 23 27 31 38 44
CFM 405 540 675 810 945 1080 1350 1620
Horizontal Throw 22-12 25-17 28-19 31-21 34-23 36-24 40-27 44-30
Noise Criteria - - - 24 28 32 39 44
CFM 447 596 745 894 1043 1192 1490 1788
Horizontal Throw 23-13 26-18 30-20 32-22 35-24 37-26 42-29 46-31
Noise Criteria - - - 24 29 33 39 45
CFM 546 728 910 1092 1274
1456 1820 2184
Horizontal Throw 25-14 30-20 33-22 36-25 39-27 42-28 47-32 51-35
Noise Criteria - - - 25 30 34 40 46
CFM 687 916 1145
1374 1603 1832 2290 2748
Horizontal Throw 29-16 33-22 37-25 41-28 44-30 47-32 53-36 61-42
Noise Criteria - - 20 26 30 34 41 47
CFM 825 1100 1375 1650 1925 2200 2750 3300
Horizontal Throw 31-18 36-25 41-28 44-30 48-33 51-35 57-39 63-43
Noise Criteria - - 21 27 31 35 42 47
24 x 3 12
x 6
Ak .39
Face Velocity
Total Pressure
10 x 3
Ak .14
12 x 3
Ak .18
10 x 4 14
x 3
Ak .21
16 x 3 12
x 4
Ak .25
Terminal Velocity of 75 and 150 FPM, respectively
24 x 4 16
x 6 Ak .52
14 x 8
18 x 6
Ak .63
36 x 10
30 x 12
Ak 2.29
36 x 12
Ak 2.75
18 x 10
Ak 1.11
36 x 6
18 x 12
Ak 1.35
24 x 10
20 x 12
Ak 1.49
24 x 12
Ak 1.82
20 x 6
Ak .66
16 x 8
Ak .71
24 x 6
18 x 8
Ak .88
20 x 8
16 x 10
Ak .98
SV and SVH Spiral Diffusers
USV, USVH Universal Spiral Diffusers
(Page 38)
NOTES:
1. Total Pressure in inches water column.
2. Throw data are in feet at terminal velocities of 75 and 150 FPM, respectively.
3. Noice Criteria based on a 10 dB room attenuation (Re: 10
-12
watts).
See page 39 for min. duct diameter.
Recommended Noise Criteria and Face Velocity Ranges are on page 75
Engineering Data
99
Engineering Data