Lb/lbp 42 belt drive, Lb dimensions lbp dimensions – Greenheck Fan Series L User Manual
Page 20
20
LB Dimensions
LBP Dimensions
1
3
⁄
4
(44)
1
3
⁄
4
(44)
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 in the airstream. The sound ratings shown are loudness values in fan sones at 5 feet (1.5 m) in a hemispherical free field calculated per AMCA Standard 301. Values
shown are for installation type A: Free inlet hemispherical sones.
LB/LBP 42
Belt Drive
Model
Number
Motor
HP
Fan
RPM
CFM / Static Pressure in Inches wg
0
0.125
0.25
0.375
0.5
0.625
0.75
0.875
1
1.25
LB/LBP-42-5
1/2
190
CFM
8328
6455
BHP
0.21
0.25
Sones
5.2
4.3
247
CFM
10827
9583
7772
BHP
0.47
0.53
0.55
Sones
6.9
6.0
5.5
LB/LBP-42-7
3/4
283
CFM
12405
11362
9965
7932
BHP
0.71
0.78
0.83
0.81
Sones
8.3
7.6
7.1
6.5
LB/LBP-42-10
1
311
CFM
13632
12718
11521
10057
BHP
0.94
1.02
1.08
1.1
Sones
9.8
9.3
8.7
8.3
LB/LBP-42-15
1
1
⁄
2
334
CFM
14640
13812
12766
11480
9795
BHP
1.17
1.25
1.33
1.37
1.35
Sones
11.5
11.0
10.4
9.8
9.2
356
CFM
15605
14828
13887
12733
11417
9401
BHP
1.41
1.5
1.58
1.64
1.66
1.59
Sones
13.2
12.7
12.1
11.5
10.8
10.3
LB/LBP-42-20
2
392
CFM
17183
16477
15667
14715
13626
12382
10481
BHP
1.89
1.98
2.08
2.16
2.21
2.21
2.13
Sones
16.1
15.5
14.9
14.3
13.7
13.2
12.9
LB/LBP-42-30
3
420
CFM
18410
17751
17030
16205
15201
14135
12945
11013
BHP
2.32
2.42
2.52
2.62
2.68
2.72
2.72
2.61
Sones
18.6
18.0
17.3
16.6
16.1
15.4
15.3
15.2
448
CFM
19637
19020
18378
17605
16740
15786
14735
13494
BHP
2.82
2.93
3.04
3.14
3.22
3.28
3.3
3.28
Sones
22
21
20
19.4
18.8
18.1
17.5
17.6
LB/LBP-42-50
5
482
CFM
21128
20554
19980
19281
18562
17683
16796
15798
14692
BHP
3.51
3.63
3.74
3.86
3.97
4.04
4.1
4.11
4.09
Sones
23
23
22
22
21
20
19.3
18.7
18.5
515
CFM
22574
22037
21500
20887
20214
19480
18651
17822
16871
14331
BHP
4.28
4.41
4.53
4.65
4.77
4.87
4.94
5.01
5.01
4.88
Sones
25
24
24
24
23
22
21
21
20
19.3
0
10
20
30
40
0
100
200
300
DO
N
OT
S
EL
E
C
T
TO
T
H
E
L
E
F
T
O
F
T
H
IS
S
Y
S
T
E
M
C
U
R
V
E
0
2
4
6
8
10
12
14
16
18
20
22
24
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Static Pr
essur
e in. wg
cfm X 1000
m
3
/hr X 1000
Static Pr
essur
e Pa
5 hp
3 hp
2 hp
1 1/2 hp
1 hp
3/4 hp
1/2 hp
515
450
385
320
255
190
RPM
HP
Density 0.075 lb/ft
3
MAX. BHP AT A GIVEN RPM - (rpm/301)
3
MAXIMUM FRPM = 515
TIP SPEED = rpm x 11.061
MAX. MOTOR FRAME SIZE = 184T
70
5
⁄
8
(1794)
52
(1321)
75
(1905)
37
3
⁄
8
(949)
33
1
⁄
2
(851)
11
1
⁄
2
(292)
58
(1473)
70
1
⁄
2
(1791)
29
(737)
52
(1321)
52
(1321)
52
(1321)
38
1
⁄
4
(972)
LB-42
LBP-42
Hood Thickness
0.064
(0.029)
-
Cover Thickness
-
0.064
(0.029)
Louver Thickness
-
0.081
(0.036)
Curb Cap Thickness
0.064
(0.029)
0.064
(0.029)
Damper Size Square
42
(1067)
42
(1067)
Roof Opening Square
44
1
⁄
2
(1130)
44
1
⁄
2
(1130)
Weight*
Galvanized,
396
(180)
Aluminum,
530
(240)
All dimensions are in inches (millimeters). Weight in pounds
(kilograms). *Weight shown is the largest cataloged
Open Drip Proof motor. See page 8 for severe duty LBP
dimensions.