Filter
Top Products
11
LD Dimensions
LDP 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.
LD/LDP 80-95
Direct Drive
Model
Number
Motor
HP
Fan
RPM
Watts
CFM / Static Pressure in Inches wg
0 0.1 0.125 0.2 0.25 0.3 0.375 0.5 0.6 0.625
LD/LDP-80 1/20 1550* 115 W
CFM 481 426 413 372 342 310 258 165
Sones 8.8 8.2 8.0 7.8 7.6 7.4 7.2 7.5
LD/LDP-85 1/20 1500* 120 W
CFM 576 507 490 440 403 360 291 182
Sones 8.6 8.1 8.0 7.7 7.3 7.1 7.0 7.8
LD/LDP-90 1/15 1550* 92 W
CFM 819 735 714 654 608 562 485 361
Sones 8.8 8.6 8.5 8.4 8.3 8.1 7.8 7.9
LD/LDP-95 1/8 1550* 160 W
CFM 1052 965 942 870 825 780 695 552 430 396
Sones 11.8 11.2 11.1 10.8 10.4 10.2 10.0 9.8 10.1 10.2
19
(483)
13
1
⁄2
(343)
19
(483)
28
(711)
27
(686)
16
(406)
4
(102)
19
(483)
19
(483)
25
(635)
25
(635)
12
1
⁄2
(318)
0 200 400 600 800 1000
0
20
40
60
80
100
120
140
160
0 100 200 300 400 500 600
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Static Pressure in. wg
cfm
m
3
/hr
Static Pressure Pa
Size 80 and 85
LD/LDP-80
RPM
Density 0.075 lb/ft
3
LD/LDP-85
0 200 400 600 800 1000 1200 1400 1600 1800 2000
0
20
40
60
80
100
120
140
160
180
200
220
0 200 400 600 800 1000 1200
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
Static Pressure in. wg
cfm
m
3
/hr
Static Pressure Pa
LD/LDP-90
Size 90 and 95
RPM
Density 0.075 lb/ft
3
LD/LDP-95
16
1
⁄2
(419)
LD 80 thru LD 95 LDP 80 thru LDP 95
Hood Thickness 24 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 10 (254) 10 (254)
Roof Opening Square 12
1
⁄2 (318) 12
1
⁄2 (318)
Weight* Galvanized, 45 (20) Aluminum, 63 (29)
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 LDP dimensions.