Greenheck USGF Brochure & Specs page 10

USGF-140 - 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-140-4 1/4
USGF-140-3 1/3
USGF-140-5 1/2
USGF-140-7 3/4
USGF-140-10 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.
10
29 ⁄ *
3
4
(756)
19 ⁄
3
8
(492)
1 ⁄
3
4
(44)
Fan
rpm
0 0.125
CFM 1069 851
590
BHP 0.04 0.04
Sones 5.0 4.5
CFM 1295 1130
715 BHP 0.06 0.07
Sones 6.0 6.0
CFM 1521 1387
840 BHP 0.10 0.11
Sones 7.1 7.3
CFM 1748 1635
965 BHP 0.15 0.16
Sones 8.6 8.7
CFM 2001 1906
1105 BHP 0.23 0.24
Sones 10.9 10.8
CFM 2192 2106
1210 BHP 0.30 0.31
Sones 12.2 12.2
CFM 2337 2258
1290 BHP 0.36 0.38
Sones 13.2 13.3
CFM 2518 2445
1390 BHP 0.45 0.47
Sones 14.9 14.7
CFM 2708 2640
1495 BHP 0.56 0.58
Sones 17.2 16.5
CFM 2889 2826
1595 BHP 0.69 0.70
Sones 20 19.0
CFM 3125 3066
1725 BHP 0.87 0.88
Sones 26 23
H-
CFM / Static Pressure in inches wg
0.25 0.375 0.5 0.75
MAXIMUM BHP AT A GIVEN RPM = (RPM/1726)
MAXIMUM RPM = 1725
TIP SPEED (ft/min.) = RPM x 3.829
885
MAXIMUM MOTOR FRAME SIZE = 145T
AVERAGE DISCHARGE VELOCITY (FPM) = CFM/1.72
0.07
5.1
1217 969
0.11 0.11
6.8 6.2
1499 1333 1103
0.17 0.17 0.17
8.5 8.1 7.7
1793 1667 1515 998
0.25 0.26 0.26 0.23
10.6 10.3 10.0 9.6
2006 1896 1773 1443
0.32 0.33 0.34 0.34
11.7 11.6 11.2 10.9
2166 2065 1957 1691
0.39 0.40 0.41 0.42
12.7 12.6 12.3 12.0
2362 2271 2174 1949
0.48 0.50 0.51 0.52
14.2 13.2 12.9 12.1
2565 2483 2396 2202
0.6 0.61 0.62 0.64
16.3 15.6 13.9 12.5
2757 2683 2602 2430
0.72 0.74 0.75 0.77
18.5 19.5 16.1 13.3
3005 2936 2865 2711
0.90 0.92 0.94 0.97
22 24 24 15.1
1 1.25 1.5 1.75
3
1221
0.37
11.3
1643
0.51
11.0
1967 1617
0.65 0.61
12.2 10.8
2225 1968 1568
0.79 0.78 0.72
12.3 12.6 11.6
2539 2339 2085 1704
0.99 1.00 0.98 0.91
13.4 14.3 13.8 13.8