Typical Installation
Models SQ and BSQ ducted inline fans are designed for the exhaust, supply or recirculation of air in a building. Typical installation requires ductwork on the inlet and outlet side of the fan. A minimum of three duct diameters is required on the inlet and outlet of the fan to minimize system effect losses. See the diagram below for a typical installation.
Installations can include flexible duct connections (by others) on either the inlet or outlet side of the fan or
both. The motor is rigidly mounted and can be oriented in any direction (top, bottom, side).
The model BSQ ducted inline fan must be installed with the motor accessible for maintenance and inspection.
External isolators are recommended, hanging (shown below) or base mounted.
Installation must meet all local governing codes and the NEC.
Flexible duct (by others)
3Wheel Diameters
3Wheel Diameters
Model Number Code
The model number system is designed to completely identify the fan. The correct code letters must be specified to designate belt or direct drive. The remainder of the model number is determined by the size and performance selected from the following pages.
BSQ - 120 HP - VG/75/A
Model Configuration
Bsq - Belt Drive Inline Exhaust
SQ - Direct Drive Inline Exhaust
Fan Size
60 through 420
Pressure Level (Belt Drive Only)
HP - High Pressure Wheel
VG =
(Direct Drive only) |
|
| ||
Motor HP (Belt Drive only) |
| |||
6 = 1/6 | 7 | = 3/4 | 30 = | 3 |
4 = 1/4 | 10 | = 1 | 50 = | 5 |
3 = 1/3 | 15 | = 11⁄2 | 75 = | 71⁄2 |
5 = 1/2 | 20 | = 2 | 100 = | 10 |
Motor RPM (Direct Drive only) |
| |||
A = 1725 | D = 1550 |
| ||
B = 1140 | E = 1050 |
| ||
C = 860 | G = 1300 |
| ||
International
(See CAPS for performance) K = 950 RPM J = 1475 RPM
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