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| TYPICAL SPECIFICATIONS |
| Model: |
ISQB |
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| Description: |
Fan shall be of the “Square in-line” type with a square inlet and outlet. Fan shall be
designed for floor mount or hung installations in-line with ducting, and have a belt driven
centrifugal wheel. Fan shall be a corrosion resistant steel, belt driven,
square inline blower.
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| Application: |
Square In-Line Duct Blowers are suitable for various applications. Commonly mounted indoors with both
inlet and outlet ducts to supply or exhaust air. Square In-Line Duct Blowers are engineered to discharge
air, fumes and other contaminants horizontally in a duct.
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| Certifications: |
Square In-line Duct Blower(s) shall be licensed to bear the AMCA Certified Ratings Seal for
Air and Sound Performance and be ETL Listed to UL705 Standards.
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| Construction: |
Square In-line Duct Blower(s) shall be constructed of steel with corrosion resistant, high solids,
enamel finish. A removable cover shall provide blower motor access, and drive access shall be
provided on both sides through removable panels. Blowers shall be belt driven; centrifugal
backward inclined, with cast iron pillow block, regreaseable ball bearings having a minimum
L50 (average) life of 200,000 hours. The shaft shall be keywayed at both ends.
Drives are to be selected for 150% of driven horsepower. Blower pulley shall be fixed,
machined, cast iron. Motor pulley shall be cast iron, variable speed.
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| Housing |
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The blower shell shall be constructed of welded corrosion resistant steel with high solids and enamel
finish. Side panels shall be removable for service access.
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| Wheel |
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Centrifugal type with 100% steel backward inclined blades. Balanced in accordance with AMCA
standard 204-96, Balance Quality and Vibration Levels for Fans.
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| Motor & Motor Compartment |
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Motor shall have permanently lubricated ball bearings and be of voltage, phase, and enclosure
as specified. A motor cover shall be supplied as standard.
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| Shaft and Bearings |
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Shafts shall be precision ground and polished. Bearings, selected specifically for air handling duty,
and of the pillow block relubricatable type, shall be selected to have a predicted L50 life of not
less than 200,000 hours at maximum cataloged operating speed.
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| Belts & Drives |
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Belts and drives shall be sized for a minimum of 150% of the driven BHP. Drives shall be of cast iron and keyed to the shafts.
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| Product: Fan
shall be model ISQB as manufactured by CaptiveAire Systems.
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