Specification Sheet

241
Outlet Velocity = CFM x 0.45
Tip Speed = RPM x 3.534
Maximum Motor Frame Size = 145T
Maximum RPM = 2125
Maximum BHP at a Given RPM = (RPM/1821)
3
Unit Specications
Housing Metal Thickness = 18 GA.
Approximate Weight = 95 lbs.
R
®
AIR
MOVEMENT
AND CONTROL
ASSOCIATION
INTERNATIONAL, INC.
AIR
PERFORMANCE
SOUND
and
CFM / BHP @ Static Pressure / Sones
Drive Range RPM HP
Tip
Speed
1/8 1/4 3/8 1/2 5/8 3/4 1 1-1/4 1-1/2 1-3/4 2
1293
.12/5.9
1098
.12/5.6
769
.11/5.4
- - - - - - - -
DP 15
DP 16
900 1/4 3181
1474
.16/7.3
1309
.16/7.0
1102
.16/6.8
- - - - - - - - 1000 1/4 3534
1518
.17/7.6
1359
.18/7.4
1165
.18/7.1
806
.15/6.9
- - - - - - - 1025 1/4 3623
1607
.20/8.4
1458
.20/8.1
1284
.21/7.9
1036
.20/7.7
- - - - - - - 1075 1/4 3799
1686
.22/9.1
1544
.23/8.9
1384
.23/8.6
1177
.23/8.4
- - - - - - -
DP 17
1120 1/4 3958
1773
.25/10.0
1639
.26/9.7
1491
.26/9.4
1312
.26/9.3
1032
.24/9.1
- - - - - - 1170 1/4 4135
1868
.29/11.0
1741
.30/10.8
1604
.30/10.5
1445
.30/10.3
1235
.30/10.1
- - - - - - 1225 1/3 4330
1954
.33/12.0
1833
.33/11.8
1704
.34/11.5
1558
.34/11.3
1380
.34/11.1
1099
.31/10.9
- - - - -
DP 18
1275 1/3 4506
2040
.37/13.1
1924
.37/12.8
1801
.38/12.5
1667
.39/12.3
1509
.38/12.1
1297
.37/11.9
- - - - - 1325 1/2 4683
2168
.43/14.6
2059
.44/14.3
1945
.45/14.1
1822
.45/13.8
1685
.45/13.7
1520
.45/13.5
- - - - - 1400 1/2 4948
2296
.51/15.8
2192
.51/15.5
2085
.52/15.3
1973
.53/15.1
1850
.53/14.9
1710
.53/14.7
1282
.48/14.5
- - - -
DP 19
1475 1/2 5213
2380
.56/16.6
2280
.57/16.3
2178
.57/16.1
2070
.58/15.9
1955
.59/15.7
1827
.59/15.6
1481
.56/15.3
- - - - 1525 3/4 5390
2465
.62/17.3
2368
.62/17.1
2269
.63/16.9
2167
.64/16.7
2057
.64/16.5
1938
.65/16.4
1639
.63/16.1
- - - -
1575 3/4 5567
2549
.68/18.2
2456
.68/18.0
2360
.69/17.8
2262
.70/17.6
2158
.71/17.4
2046
.71/17.2
1778
.70/17.0
1303
.62/16.7
- - - 1625 3/4 5743
2633
.74/19.0
2543
.75/18.8
2450
.76/18.6
2356
.76/18.4
2256
.77/18.2
2151
.78/18.0
1906
.78/17.8
1545
.73/17.6
- - - 1675 3/4 5920
2675
.77/19.4
2586
.78/19.2
2495
.79/19.0
2402
.80/18.6
2305
.80/18.6
2202
.81/18.5
1967
.81/18.2
1638
.78/18.0
- - - 1700 1 6008
2759
.84/21
2672
.85/20
2585
.86/20
2495
.87/19.9
2402
.88/19.6
2304
.88/19.4
2084
.89/19.1
1800
.87/18.9
1111
.66/18.7
- -
DP 20
1750 1 6185
2843
.92/22
2758
.93/21
2673
.93/21
2586
.94/21
2497
.95/21
2403
.96/21
2197
.97/20
1943
.95/19.7
1539
.87/19.5
- - 1800 1 6362
2926
1.00/23
2844
1.00/22
2762
1.01/22
2678
1.02/22
2591
1.03/22
2501
1.04/22
2306
1.05/21
2074
1.04/21
1751
.99/20
- - 1850 1 6538
3010
1.08/24
2930
1.09/24
2850
1.09/23
2768
1.10/23
2684
1.11/23
2598
1.12/23
2412
1.13/22
2197
1.13/22
1920
1.10/22
1356
.91/21
- 1900 1-1/2 6715
3176
1.26/26
3101
1.27/26
3024
1.27/26
2947
1.28/26
2869
1.29/25
2788
1.30/25
2618
1.32/25
2428
1.33/24
2203
1.32/24
1897
1.26/24
- 2000 1-1/2 7069
3384
1.51/29
3313
1.52/29
3241
1.52/29
3169
1.53/29
3096
1.54/29
3022
1.55/28
2866
1.57/28
2699
1.59/28
2510
1.59/27
2286
1.57/27
1979
1.50/26
2125 1-1/2 7510
Performance certied is for installation type B - free inlet, ducted outlet.
Power Ratings (BHP) does not include drive losses.
Performance ratings do not include the effects of appurtenances in the airstream.
The sound ratings shown are loudness values in fan sones @ 5' (1.5m) in a hemispherical
free eld calculated per AMCA Standard 301. Values shown are for installation type A - free
inlet fan sone levels.
SQB 12
S&P USA Ventilation Systems, LLC.,
Div. of Soler & Palau Ventilation Group,
certies that the Models SQB shown
herein are licensed to bear the AMCA
Seal. The ratings shown are based
on test and procedures performed in
accordance with AMCA Publication
211 and AMCA Publication 311 and
comply with the requirement of the
AMCA Certied Ratings Program.
STANDARD 705
MODEL SQB
BELT DRIVE SQUARE INLINE CENTRIFUGAL DUCT FAN