Sq 140 - Direct Drive - Greenheck SQ Brochure & Specs

SQ 140 - Direct Drive

1
(25)
*19 ⁄
7
8
(505)
23
(584)
Damper size = 20 x 20
(508 x 508)
Unit weight** = 104
(47)
Housing thickness = 18 ga
Outlet velocity = 0.364 x cfm
Dimensions shown in inches (millimeters) and weight is
shown in pounds (kilograms).
*May be greater depending on motor.
**Weight shown is largest cataloged Open Drip Proof motor.
Model Number
SQ-140-C
SQ-140-B
SQ-140-A
Performance certified is for installation type B: Free inlet, Ducted outlet. 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 Standard 301. Values shown are for installation
type B: free inlet hemispherical fan sone levels.
18
23
(584)
22
(559)
Motor Fan
HP RPM
0
CFM 1637
BHP 0.12
1/8 860
Sones 7.0
CFM 2170
BHP 0.27
1/3 1140
Sones 10.8
CFM 3283
BHP 0.93
1 1725
Sones 20
2.1
500
1.8
400
1.5
300
1.2
0.9
200
0.6
100
0.3
0 0.0
0 500 1000
0 1000 2000
CFM / Static Pressure in Inches wg
0.25 0.375 0.5 0.625
1316 1033
0.13 0.13
6.2 5.9
1942 1818 1666 1446
0.29 0.3 0.3 0.3
10.1 10.0 9.8 9.6
3139 3065 2985 2905
0.97 0.98 1 1.01
19.3 19.0 18.7 18.6
RPM
3
Density 0.075 lb/ft
1500 2000 2500 3000
cfm
3000 4000 5000
3
m /hr
0.75 1 1.375 1.5
1121
0.27
9.4
2825 2645 2268 2085
1.03 1.03 1.03 1.01
18.4 18.2 17.2 16.7
3500
1.75
1624
0.93
15.9