Lb/lbp 18 belt drive, Lb dimensions lbp dimensions – Greenheck Fan Series L User Manual
Page 15
15
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 18
Belt Drive
0
2
4
6
8
10
0
200
400
600
DO
N
O
T
S
E
L
E
C
T
T
O
T
H
E
L
E
F
T
O
F
T
H
IS
S
Y
S
T
E
M
C
U
R
V
E
0
1000
2000
3000
4000
5000
6000
0.0
0.5
1.0
1.5
2.0
2.5
Static Pr
essur
e in. wg
cfm
m
3
/hr X 1000
Static Pr
essur
e Pa
1/4 hp
1/3 hp 1/2 hp
3/4 hp
1 hp
1 1/2 hp
2 hp
1460
RPM
HP
Density 0.075 lb/ft
3
1261
1062
863
664
465
Model
Number
Motor
HP
Fan
RPM
CFM / Static Pressure in Inches wg
0
0.125
0.25
0.5
0.75
1
1.25
1.5
1.75
2
LB/LBP-18-4
1/4
465
CFM
1753
1422
BHP
0.056
0.064
Sones
3.6
2.7
562
CFM
2119
1871
1522
BHP
0.099
0.108
0.114
Sones
4.9
4.1
3.4
755
CFM
2847
2671
2474
1925
BHP
0.24
0.25
0.27
0.27
Sones
8.7
7.9
7.4
6.5
LB/LBP-18-3
1/3
826
CFM
3115
2957
2778
2324
BHP
0.31
0.33
0.34
0.36
Sones
10.2
9.5
8.9
8.0
LB/LBP-18-5
1/2
888
CFM
3348
3203
3039
2638
2110
BHP
0.39
0.4
0.42
0.45
0.44
Sones
11.7
11.0
10.4
9.4
8.7
949
CFM
3578
3442
3292
2936
2498
BHP
0.48
0.49
0.51
0.54
0.55
Sones
13.4
13.0
12.0
11.0
10.3
LB/LBP-18-7
3/4
1085
CFM
4091
3972
3847
3575
3218
2822
BHP
0.71
0.73
0.75
0.79
0.82
0.82
Sones
16.8
16.2
15.5
14.6
13.4
12.9
LB/LBP-18-10
1
1141
CFM
4302
4189
4073
3814
3493
3140
2674
BHP
0.83
0.84
0.86
0.91
0.94
0.96
0.93
Sones
18.0
17.3
16.7
15.9
14.8
14.1
13.8
LB/LBP-18-15
1
1
⁄
2
1286
CFM
4849
4749
4648
4423
4183
3880
3568
3208
BHP
1.19
1.2
1.22
1.27
1.32
1.35
1.37
1.35
Sones
21
20
19.8
19.2
18.5
17.8
17.4
17.1
1375
CFM
5185
5091
4997
4790
4576
4311
4025
3719
3382
BHP
1.45
1.47
1.49
1.54
1.59
1.63
1.66
1.67
1.65
Sones
24
23
22
21
21
20
19.9
19.6
19.5
LB/LBP-18-20
2
1460
CFM
5505
5417
5328
5138
4936
4714
4446
4176
3874
3538
BHP
1.73
1.76
1.78
1.83
1.88
1.93
1.98
2
2
1.97
Sones
26
25
24
23
23
22
22
22
22
22
MAX. BHP AT A GIVEN RPM - (rpm/1157)
3
MAXIMUM FRPM = 1460
TIP SPEED = rpm x 4.843
MAX. MOTOR FRAME SIZE = 145T
30
(762)
39
(991)
21
(533)
17
1
⁄
2
(445)
4
1
⁄
2
(114)
36
(914)
46
(1168)
24
1
⁄
2
(622)
19
(483)
40
(1016)
30
(762)
30
(762)
30
(762)
LB-18
LBP-18
Hood Thickness
22 ga
-
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
18
(457)
18
(457)
Roof Opening Square
20
1
⁄
2
(521)
20
1
⁄
2
(521)
Weight*
Galvanized,
135
(61)
Aluminum,
179
(81)
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.