| MODEL SQB (BELT DRIVE) SQUARE INLINE CENTRIFUGAL DUCT FANS
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MODEL SQB
MODEL SQD |
Application
Model SQB fans are available in sizes 7 through 42, moving from 100 to over 24,000 CFM, with static pressure capabilities to
3-1/2". SQB units are the perfect selection for clean air applications where space is a leading consideration. The compact housing, with removable access doors (2), can be mounted in any orientation. AMCA licensed performance and UL listing (optional) assure that you have made a reliable selection. Refer to the back of the bulletin for detailed information regarding our complete range of options and accessories available with the SQB.
Construction/Specification Checklist
Blower/Housing
• Aluminum, nonoverloading, backward inclined centrifugal wheel statically and dynamically balanced.
• Deep spun venturi inlet.
• Heavy-gauge galvanized steel housing.
• Integral inlet and outlet duct collars.
• Universal mounting - horizontal, vertical, or any angle.
• Motors and drives out of the airstream.
• Removable drive and bearing covers for easy access.
• Easy access to interior of unit with removable side panels (two per unit) with closed cell neoprene gasketing.
• Motor, drives, wheel, shaft, and bearings removable from unit without disconnecting duct.
• Motor mount plate with integral belt tensioning device.
• Disconnect standard (except 2 speed and explosion proof motors). |
Shaft and Bearings
• Precision turned, ground, and polished steel fan shaft and keyed.
• Self aligning cast iron air handling pillow block bearings with re-lube fitting, double sealed and pre-lubricated, designed for 200,000 hour life, L50.
Motor and Drives
• Permanently sealed ball bearing type motor furnished to the specified voltage, phase, and enclosure.
• Open drip-proof is standard. Two speed, totally enclosed, and explosion proof motors can be specified for most models.
• Drives are specified for a minimum of 150% of driven horsepower. Cast iron motor pulleys are factory set to the required RPM and are adjustable for final system balancing.
Certifications
• AMCA - the AMCA Seal on all units assures certified rating of air and sound performance.
• UL - most models are available as listed by Underwriters Laboratories under Standard 705 when specified. |
