Lb/lbp 48 belt drive, Lb dimensions lbp dimensions – Greenheck Fan Series L User Manual
Page 21
21
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 48
Belt Drive
0
10
20
30
40
0
50
100
150
200
250
300
DO
N
O
T
S
E
LE
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
4
8
12
16
20
24
28
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
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
420
366
312
258
204
150
RPM
HP
Density 0.075 lb/ft
3
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
0.9
1
LB/LBP-48-5
1/2
150
CFM
9666
6546
BHP
0.21
0.24
Sones
6.1
5.4
175
CFM
11277
8948
BHP
0.34
0.38
Sones
6.9
5.6
199
CFM
12824
10846
7629
BHP
0.5
0.56
0.54
Sones
7.6
6.8
7.0
LB/LBP-48-7
3/4
226
CFM
14563
12863
10741
BHP
0.73
0.81
0.83
Sones
8.5
8.2
7.5
LB/LBP-48-10
1
249
CFM
16046
14530
12787
10092
BHP
0.98
1.07
1.1
1.08
Sones
9.5
9.4
9.2
8.3
LB/LBP-48-15
1
1
⁄
2
267
CFM
17205
15823
14222
12151
BHP
1.2
1.31
1.35
1.36
Sones
10.6
10.4
10.2
9.2
285
CFM
18365
17103
15612
13896
11357
BHP
1.46
1.58
1.63
1.66
1.61
Sones
12.3
11.7
11.1
10.5
9.6
LB/LBP-48-20
2
314
CFM
20234
19141
17779
16397
14665
11934
BHP
1.96
2.1
2.17
2.2
2.22
2.1
Sones
15.4
14.5
13.4
12.5
12.2
11.5
LB/LBP-48-30
3
359
CFM
23134
22214
21041
19878
18650
17134
15069
11596
BHP
2.93
3.1
3.21
3.25
3.29
3.31
3.25
2.84
Sones
18.4
17.8
17.2
16.5
15.9
15.5
14.8
13.4
LB/LBP-48-50
5
381
CFM
24552
23685
22620
21512
20378
19104
17564
15491
15076
BHP
3.5
3.68
3.81
3.87
3.92
3.95
3.95
3.86
3.85
Sones
20
19.6
19.1
18.6
17.9
17.4
17.1
16.2
16.0
420
CFM
27065
26278
25383
24354
23363
22317
21159
19839
19534
18029
BHP
4.69
4.89
5.05
5.15
5.21
5.25
5.29
5.31
5.3
5.23
Sones
23
23
23
23
22
22
21
21
21
20
MAX. BHP AT A GIVEN RPM - (rpm/241)
3
MAXIMUM FRPM = 420
TIP SPEED = rpm x 12.632
MAX. MOTOR FRAME SIZE = 213T
70
3
⁄
8
(1788)
58
(1473)
87
(2210)
41
1
⁄
2
(1054)
41
(1041)
11
5
⁄
8
(295)
64
(1626)
76
1
⁄
2
(1943)
32
(813)
58
(1473)
58
(1473)
58
(1473)
40
3
⁄
8
(1026)
LB-48
LBP-48
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
48
(1219)
48
(1219)
Roof Opening Square
50
1
⁄
2
(1283)
50
1
⁄
2
(1283)
Weight*
Galvanized,
430
(195)
Aluminum,
579
(263)
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.