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Motor
HP
Fan
RPM
Static Pressure in Inches wg
0 0.05 0.1 0.125 0.15 0.2 0.25 0.3 0.375 0.4
070
E-1/100 1050
CFM
253 226 195 179 152
BHP
0.01 0.01 0.01 0.01 0.01
Sones
2.7 2.1 1.7 1.5 1.2
G-1/60 1300
CFM
314 292 269 257 244 214 171
BHP
0.01 0.01 0.02 0.02 0.02 0.02 0.02
Sones
4.1 3.7 3.4 3.3 3.2 2.9 2.6
D-1/30 1550
CFM
374 356 337 327 317 297 274 244 190
BHP
0.02 0.02 0.02 0.03 0.03 0.03 0.03 0.03 0.03
Sones
5.6 5.4 5.2 5.2 5.1 4.9 4.7 4.5 4.1
075
E-1/80 1050
CFM
297 260 222 200 176
BHP
0.01 0.01 0.01 0.01 0.01
Sones
3.6 3.1 2.9 2.8 2.6
G-1/50 1300
CFM
367 338 309 293 277 241 195
BHP
0.02 0.02 0.02 0.02 0.02 0.02 0.02
Sones
4.1 3.9 3.7 3.7 3.7 3.6 3.5
D-1/25 1550
CFM
438 413 389 377 364 337 309 277 214
BHP
0.03 0.03 0.3 0.04 0.04 0.04 0.04 0.04 0.03
Sones
6.1 5.8 5.6 5.4 5.3 5.1 4.9 4.9 4.8
Static Pressure (in. wg)
Static Pressure (Pa)
Volume (cfm)
3
Volume (m
/hr )
RPM (Direct)
Density 0.075 lb/ft
3
Density 1.2 kg/m
3
Damper Size = 8 x 8 (203 x 203)
Roof Opening = 10 x 10 (267 x 267)
Shroud Thickness = 0.064 (1.6)
Motor Cover Thickness = 0.040 (1.0)
Curb Cap Thickness = 0.064 (1.6)
^Approximate Unit Weight = 15 lbs. (7 kg)
All dimensions in inches (millimeters). *May be greater depending on motor.
^Weight shown is largest cataloged Open Drip-Proof motor.
Performance certified is for installation type A: Free inlet, Free outlet. Power rating (BHP) does not include transmission losses. Performance ratings include the effects
of a birdscreen. The sound ratings shown are loudness values in hemispherical 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.
Roof Downblast - Exhaust
Direct Drive
G-070 • G-075
E-1050-RPM G-1300-RPM D-1550-RPM
1
3
⁄4 (44)
19
3
⁄8
(492)
*12
1
⁄8
(308)
17
(432)
3 (76)
Direct Drive RPM