Greenheck USGF Brochure & Specs page 12

USGF-160 - 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-160-4 1/4
USGF-160-3 1/3
USGF-160-5 1/2
USGF-160-7 3/4
USGF-160-10 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.
1
29 ⁄ *
3
4
(756)
19 ⁄
3
8
(492)
1 ⁄
3
4
(44)
Fan
rpm
0 0.125
CFM 2098 1905
730 BHP 0.13 0.15
Sones 8.1 8.0
CFM 2236 2058
778 BHP 0.16 0.18
Sones 8.9 8.7
CFM 2374 2209
826 BHP 0.20 0.22
Sones 9.9 9.6
CFM 2515 2362
875 BHP 0.23 0.26
Sones 11.0 10.6
CFM 2774 2637
965 BHP 0.31 0.34
Sones 12.4 12.0
CFM 2984 2857
1038 BHP 0.39 0.42
Sones 13.7 13.3
CFM 3191 3072
1110 BHP 0.47 0.51
Sones 15.0 14.6
CFM 3415 3304
1188 BHP 0.58 0.62
Sones 16.7 16.3
CFM 3636 3532
1265 BHP 0.70 0.74
Sones 18.5 18.1
CFM 3817 3718
1328 BHP 0.81 0.85
Sones 20 19.6
CFM 3996 3901
1390 BHP 0.93 0.97
Sones 22 21
H-
CFM / Static Pressure in inches wg
0.25 0.375 0.5 0.625
1669 1389
MAXIMUM BHP AT A GIVEN RPM = (RPM/1365)
0.15 0.15
MAXIMUM RPM = 1390
7.8 7.8
TIP SPEED (ft/min.) = RPM x 4.352
1843 1596
MAXIMUM MOTOR FRAME SIZE = 145T
0.19 0.18
AVERAGE DISCHARGE VELOCITY (FPM) = CFM/1.72
8.5 8.4
2010 1790 1512
0.22 0.22 0.21
9.3 9.1 9.0
2177 1974 1744 1365
0.26 0.26 0.26 0.24
10.1 9.9 9.7 9.7
2477 2300 2109 1893
0.35 0.35 0.35 0.34
11.5 11.2 10.8 10.6
2712 2552 2382 2199
0.43 0.44 0.44 0.43
12.8 12.4 12.1 11.8
2941 2796 2641 2475
0.53 0.53 0.54 0.53
14.2 13.8 13.5 13.1
3186 3053 2911 2764
0.64 0.65 0.65 0.66
15.8 15.4 15.0 14.7
3426 3301 3172 3036
0.77 0.78 0.79 0.79
17.7 17.2 16.8 16.5
3619 3502 3383 3253
0.89 0.90 0.91 0.91
19.2 18.7 18.3 18.0
3806 3698 3584 3464
1.01 1.03 1.04 1.04
21 20 19.9 19.6
0.75 1 1.25 1.5
3
1584
0.33
10.5
1992
0.43
11.6
2297 1770
0.52 0.49
12.9 12.2
2606 2246
0.65 0.64
14.5 14.0
2894 2583 2163
0.79 0.78 0.75
16.3 15.8 15.2
3124 2843 2510
0.92 0.90 0.89
17.8 17.4 16.9
3340 3078 2785 2394
1.05 1.04 1.03 1.00
19.4 19.0 18.6 18.0