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Model SQBI: Backward Inclined Square Fan

Cincinnati Fan manufactures 10 sizes of the Model SQBI Backward Inclined Square Fan in AMCA Class II and III construction. The Model SQBI is an excellent choice for efficient delivery of high air volumes.

All models are available with two wheel designs and in multiple widths from 50% to 100%, to deliver the exact performance you need with a direct driven blower. Belt driven arrangements are also available. All aluminum or stainless steel construction is available.

This fan is available in AMCA A, B, or C spark resistant construction.

PERFORMANCE RANGE:

• Capacities up to 28,141 CFM and 23″ SPWG
• Standard construction, air stream temperatures up to 200°F (93°C)
• Optional high-temperature construction, temperatures up to 750° F 398°C)

FOR HIGHER CAPACITIES:

Pressure: See Model RBE

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FEATURES & BENEFITS
ARRANGEMENTS
OPTIONS
APPLICATIONS
RESOURCES

Features

All models available with multiple width housing, two wheel types and wheel widths from 50% to 100%, in 5% increments, to deliver the performance you need with a direct driven blower.
Continuous welded housings, instead of lock seams, eliminate air leakage.
Heavy gauge steel bases, with internal bracing, maximize rigidity and assure long equipment life.
Four discharge positions and two rotations available.
Available with AMCA Types A, B, or C spark resistant construction.
Removable inlet & drive side plates allow for removal of blower wheel or motor, or shaft and bearings on belt driven model, without disconnecting inlet or discharge connections.
All fans receive a mechanical run test to ensure proper balance and alignment before shipping.
Belt driven model includes heavy-duty, grease-lubricated, self-aligning, cast iron, pillow block bearings selected for optimal performance.
The fan shaft on belt driven model is turned, ground, and polished and receives a high-quality rust-preventative coating before shipment.
Arrangement 9 comes standard with a belt guard and two support legs for shipping and mounting support.
All models are also available in aluminum or all stainless steel construction.

Benefits

Multiple Wheel Selections: Each size and class is available with two wheel types and multiple widths from 50% to 100%, in 5% increments, to deliver the exact performance you need with a direct driven blower. Complete design flexibility.
Rugged Construction: Housings are heavy gauge steel and are continuously welded to prevent leakage. Fan bases are 7 and 10-gauge steel with internal bracing to prevent pulsation at all conditions. Less field problems.
Ease of Maintenance: Replacing a wheel, motor, or shaft and bearings on belt driven models, is easily accomplished without disturbing the inlet and/or discharge connections. Minimizes downtime.
Quality Components Belt driven model has self-aligning, cast iron, grease-lubricated, pillow block bearings sized for a minimum 150,000 hours average life. The fan shaft is turned, ground, and polished and is coated with a high-quality rust preventative before shipment. Long dependable service.