Specification Sheet
158
Motor HP
CFM / BHP / Sones @ Static Pressure
RPM
0 1/8 1/4 3/8 1/2 5/8 3/4
1/2 HP
1075 RPM
1348
.05/3.8
847
.05/3.1
- - - - - 500
1618
.09/5.5
1187
.09/4.8
797
.08/4.3
- - - - 600
1887
.14/7.2
1517
.14/6.6
1174
.14/6.1
793
.12/5.8
- - - 700
2157
.22/9.2
1839
.22/8.6
1515
.21/8.0
1233
.20/7.7
833
.18/7.4
- - 800
2426
.31/11.5
2152
.31/10.8
1849
.31/10.2
1585
.30/9.8
1335
.29/9.5
994
.26/9.2
- 900
2696
.42/14.0
2456
.42/13.4
2178
.42/12.7
1924
.42/12.2
1695
.41/11.8
1469
.39/11.5
1187
.37/11.2
1000
2879
.51/15.8
2658
.51/15.2
2399
.51/14.6
2151
.51/14.1
1928
.51/13.7
1719
.49/13.3
1501
.47/13.0
1060*
Unit Specications
• 18 Ga. galvanized housing.
• Approximate unit weight 120 lbs.
• Aluminum backward inclined wheel.
• Removable access panels.
• Integral inlet & outlet duct collars.
• AMCA Licensed Air & Sound.
• Disconnect switch.
• One (1) year warranty.
• Universal/any angle mounting.
SQD 1550
R
®
AIR
MOVEMENT
AND CONTROL
ASSOCIATION
INTERNATIONAL, INC.
AIR
PERFORMANCE
SOUND
and
* Base Unit-AMCA seal for sound Rating does not apply to units with speed control installed.
+ RPM range capable with solid state speed control.
Speed (RPM) shown is nominal. Performance is based on actual speed of test.
Performance certied 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.
Soler & Palau USA, Div. of Soler & Palau
Ventilation Group, certies that the Models
SQD 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 Certied
Ratings Program.
MODEL SQD
DIRECT DRIVE SQUARE INLINE CENTRIFUGAL DUCT FAN
STANDARD 705