Bsq 70-Belt Drive - Greenheck SQ Brochure & Specs

BSQ 70
- Belt Drive
*15 ⁄
1
2
(394)
1
(25)
11 ⁄
7
8
(302)
15
(381)
Damper size = 12 x 12
(305 x 305)
Unit weight** = 76
(34)
Housing thickness = 18 ga
Model Motor Fan
Number HP RPM
70
1050
1313
1445
70-4 1/4
1577
1709
1840
1972
2072
70-3 1/3
2172
2329
70-5 1/2
2486
Performance certified is for installation type B: Free inlet, Ducted 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 1.5 m (5 feet) in a hemispherical free field calculated per AMCA International Standard 301. Values shown are
for installation type B: free inlet hemispherical sone levels.
24
*14
(356)
*12 ⁄
1
2
(318)
15
(381)
21
(533)
Dimensions shown in inches (millimeters) and weight is shown in pounds (kilograms).
*Motor cover is optional. Size may be greater depending on motor.
**Weight shown is largest cataloged Open Drip Proof motor.
0.125 0.250 0.500
CFM 184 129
BHP 0.039 0.037
Sones 8.0 7.5
CFM 251 211 117
BHP 0.077 0.076 0.068
Sones 11.0 10.4 9.2
CFM 284 249 169
BHP 0.103 0.102 0.097
Sones 12.8 12.3 10.7
CFM 314 284 213
BHP 0.13 0.13 0.13
Sones 14.9 14.6 12.7
CFM 345 318 254
BHP 0.17 0.17 0.17
Sones 16.1 15.9 14.5
CFM 375 351 293
BHP 0.21 0.21 0.21
Sones 17.3 17.0 16.4
CFM 405 384 331
BHP 0.26 0.26 0.26
Sones 19.2 19.1 18.6
CFM 428 408 360
BHP 0.30 0.30 0.30
Sones 20 20 19.9
CFM 450 431 387
BHP 0.34 0.35 0.35
Sones 21 21 21
CFM 486 467 428
BHP 0.43 0.43 0.43
Sones 23 23 23
CFM 521 504 468
BHP 0.52 0.52 0.52
Sones 25 25 25
2.5
600
2.0
400
1.5
1.0
200
0.5
0 0.0
0 100 200
0 200
CFM / Static Pressure in Inches wg
0.625 0.750 1.000
MAX Bhp AT A GIVEN RPM = (rpm/3084)
TIP SPEED (ft/min) = rpm x 2.928
MAX NEMA MOTOR FRAME SIZE = 145T
OUTLET VELOCITY (ft/min) = 1.0212 x cfm
122
0.09
10.3
175 131
0.12 0.12
11.9 11.4
220 184 97
0.16 0.16 0.14
13.9 13.3 12.4
262 231 159
0.21 0.20 0.19
16.0 15.4 14.5
302 273 212
0.25 0.25 0.24
18.2 17.9 17.7
332 305 249
0.30 0.29 0.29
19.5 19.1 18.5
361 335 282
0.34 0.34 0.33
21 20 19.7
406 381 332
0.43 0.42 0.42
23 23 22
447 426 380
0.52 0.52 0.51
25 25 24
RPM
HP
Density 0.075 lb/ft
300 400 500
cfm
400 600 800
3
m /hr
1.250 1.500 1.750 2.000
MAXIMUM RPM = 2486
142
0.22
16.5
184 103
0.27 0.24
18.2 16.8
224 161
0.32 0.30
19.2 18.8
283 225 166
0.41 0.39 0.36
21 20 21
334 287 232 176
0.50 0.49 0.47 0.44
23 22 22
3
600
1000
3
23