Model SQB square inline duct mounted fans are available in sizes 7 through 42, moving from 100 to 21,000 CFM, with static pressure capabilities to 1-1/2". SQB units are the perfect selection for clean air applications where space is a leading consideration. The compact housing with removable access doors and side discharge capability can be mounted in any orientation. AMCA licensed performance and UL listing assure that you've made a reliable selection.

CONSTRUCTION:
Housing

• Heavy-gauge galvanized steel for extra strength.
• Integral inlet and outlet duct collars.
• Universal mounting - horizontal, vertical or any angle.
• Motors and drives out of air stream.
• Easy access for service with removable side panels and drive and bearing covers without disconnecting duct.

Centrifugal Wheel

• All aluminum backward inclined wheel.
• Non overloading for safe operation in ducted systems.
• Statically and dynamically balanced for smooth operation.

Bearings

• Bearings designed for minimum 200,000 hour life.
• Bearings are double sealed and prelubricated with relube fittings.

• Sized for minimum 150% of drive horse power.
• Machined cast iron adjustable motor pulleys.
• Motor mount plate with integral belt tensioning device.
• Non static v-belts.

Motors:

• Single speed open drip-proof are standard.
• All motors are rated for continuous duty.
• Standard motors are permanently sealed ball bearing type.
• 182T and larger motors shipped unmounted for field installation.

*Power ratings (BHP) do not include transmission losses. Performance certified is for installation type B-free inlet, ducted outlet. Performance ratings do not include the effects of appurtenances (accessories).

DIMENSIONAL DATA

A = 21 inches
B = 23 inches
C = 17 7/8 inches