Greenheck USGF Brochure & Specs page 11

USGF-140HP - 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 = 125 lb. (57 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-140HP-4 1/4
USGF-140HP-3 1/3
USGF-140HP-5 1/2
USGF-140HP-7 3/4
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 0.75
CFM 331
895 BHP 0.06
Sones 6.1
CFM 566
1037 BHP 0.10
Sones 6.7
CFM 733 563
1179 BHP 0.13 0.14
Sones 8.9 9.2
CFM 878 756
1321 BHP 0.18 0.19
Sones 12.1 11.6
CFM 1016 920
1465 BHP 0.24 0.26
Sones 14.2 13.5
CFM 1146 1063
1605 BHP 0.31 0.33
Sones 15.2 14.4
CFM 1256 1178
1725 BHP 0.38 0.40
Sones 16.1 15.4
CFM 1363 1292
1845 BHP 0.46 0.48
Sones 17.0 16.6
CFM 1463 1399
1960 BHP 0.54 0.57
Sones 18.1 17.7
CFM 1528 1468
2035 BHP 0.60 0.63
Sones 18.9 18.5
CFM 1592 1536
2110 BHP 0.67 0.70
Sones 19.8 19.3
H-
CFM / Static Pressure in inches wg
1 1.25 1.5 1.75
MAXIMUM BHP AT A GIVEN RPM = (RPM/2285)
MAXIMUM RPM = 2110
TIP SPEED (ft/min.) = RPM x 3.829
MAXIMUM MOTOR FRAME SIZE = 145T
AVERAGE DISCHARGE VELOCITY (FPM) = CFM/1.72
591
0.19
13.6
798 642
0.26 0.26
13.2 15.5
965 846 704
0.34 0.34 0.34
14.2 14.0 15.2
1098 999 879 747
0.42 0.43 0.43 0.42
15.0 14.9 14.7 15.7
1219 1137 1042 924
0.50 0.52 0.52 0.52
16.2 16.0 15.9 15.6
1330 1260 1176 1086
0.59 0.61 0.62 0.63
17.4 17.2 17.1 17.0
1402 1335 1261 1175
0.66 0.68 0.69 0.70
18.2 18.0 18.0 17.8
1473 1409 1341 1262
0.72 0.75 0.77 0.78
19.1 19.0 18.9 18.8
2 2.25 2.5 2.75
3
800
0.51
16.1
970 854
0.62 0.62
16.8 16.9
1077 965 826
0.70 0.69 0.67
17.7 17.5 17.8
1178 1073 965 804
0.78 0.78 0.77 0.73
18.6 18.5 18.3 20
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