Greenheck USGF Brochure & Specs page 13

USGF-160HP - Belt Drive
28 ⁄
7
8
(733)
26
(660)
Roof Opening = 181/2 x 181/2 (470 x 470)
Windband Thickness = 0.051 (1.3)
Motor Cover Thickness = 0.040 (1.0)
Curb Cap Thickness = 0.064 (1.6)
^Approximate Unit Weight = 131 lb. (59 kg)
All dimensions in inches (millimeters).
*May be greater depending on motor.
^Weight shown is largest cataloged Open Drip Proof motor.
Model Motor
Number hp
USGF-160HP-4 1/4
USGF-160HP-3 1/3
USGF-160HP-5 1/2
USGF-160HP-7 3/4
USGF-160HP-10 1
Performance certified is for installation type A: Free inlet, Free outlet. Power rating (BHP) does not include transmission losses. Performance ratings do not include the effects
of appurtenances (accessories). The sound ratings shown are loudness values in fan sones at 5 ft (1.5 m) in a hemispherical free field calculated per AMCA Standard 301.
Values shown are for installation type A: Free inlet hemispherical sone levels. The AMCA Certified Ratings Seal applies to sone ratings only.
29 ⁄ *
3
4
(756)
19 ⁄
3
8
(492)
1 ⁄
3
4
(44)
Fan
rpm
0.5 0.625
CFM 889
825 BHP 0.12
Sones 7.0
CFM 1129 956
910 BHP 0.16 0.16
Sones 8.3 7.8
CFM 1331 1208
995 BHP 0.21 0.21
Sones 9.6 9.3
CFM 1487 1377
1065 BHP 0.25 0.26
Sones 11.0 10.6
CFM 1697 1608
1165 BHP 0.32 0.33
Sones 12.8 12.7
CFM 1882 1799
1255 BHP 0.40 0.41
Sones 13.1 12.8
CFM 2053 1975
1340 BHP 0.48 0.49
Sones 14.4 13.8
CFM 2253 2180
1441 BHP 0.59 0.60
Sones 16.3 15.8
CFM 2433 2368
1535 BHP 0.70 0.72
Sones 18.1 17.7
CFM 2573 2516
1610 BHP 0.80 0.82
Sones 19.6 19.2
CFM 2722 2671
1690 BHP 0.92 0.94
Sones 21 21
H-
CFM / Static Pressure in inches wg
0.75 0.875 1 1.25
MAXIMUM BHP AT A GIVEN RPM = (RPM/1660)
MAXIMUM RPM = 1690
TIP SPEED (ft/min.) = RPM x 4.352
MAXIMUM MOTOR FRAME SIZE = 145T
AVERAGE DISCHARGE VELOCITY (FPM) = CFM/1.72
1042
0.21
8.8
1252 1093
0.26 0.26
10.2 9.8
1504 1395 1252
0.34 0.34 0.34
12.2 11.7 11.3
1715 1617 1519 1218
0.42 0.43 0.43 0.42
12.5 12.0 11.5 10.6
1897 1816 1724 1513
0.50 0.51 0.52 0.52
13.3 12.8 12.3 11.3
2108 2036 1961 1790
0.61 0.63 0.64 0.65
15.2 14.7 14.3 13.5
2301 2233 2165 2015
0.73 0.74 0.76 0.78
17.2 16.8 16.4 15.7
2452 2387 2322 2190
0.83 0.85 0.86 0.89
18.8 18.4 18.1 17.5
2611 2550 2488 2365
0.95 0.97 0.98 1.01
21 20 20 19.5
1.5 1.75 2 2.25
3
1577
0.65
12.3
1855 1638
0.79 0.78
14.9 13.5
2037 1863 1651
0.90 0.91 0.90
16.9 15.8 14.3
2228 2082 1899 1664
1.03 1.05 1.05 1.03
19.1 18.6 16.9 15.0
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