HA
Belt drive, tubeaxial exhauster with the motor, drives and bearings located outside the airstream. Capacities up to 63,845 CFM and up to 2 inch static pressure. The HA is designed to operate in any position and is furnished with mounting flanges on both ends for easy installation.
Features
Housing
- Constructed of heavy gauge rolled steel
- Rolled flange at each end for ease of mounting
- Standard charcoal baked enamel finish provides a tough durable surface
- Gasketed access door for servicing on model sizes 42” - 60”
- Streamlined belt and bearing enclosure eliminates turbulence and air drag
Aluminum Propeller
- Heavy duty, all welded aluminum construction standard on all sizes (except 54” and all sizes of the smoke exhaust construction which use a high grade steel)
- Circular-arc blades for high airflow capacity
- Precision balanced for smooth vibration free operation
Bearings
- Permanently lubricated in an Acme D.S. pillow block housing
- Bearings are resiliently mounted in neoprene rings
- Rated at L50 life of 200,000 hours
- 5 year limited warranty on Acme D.S. pillow block bearings
- Pillow block bearings are standard on HA60 and smoke exhaust construction
Drive Assembly
- Cast iron drives sized for 150% of drive horsepower
- Static free, oil and heat resistant belts
Motors
- Continuous duty motors located outside the airstream
- Motors shipped mounted to the fan
Options/Accessories
- Coatings
- Pillow Block Bearings
- Steel Propeller
- Mounting Base
- Companion Flange
- Weather Cover/Belt Guard
- Inlet Bell
- Inlet/Outlet Guards
- Belt Guard
- SE Option U.L. Listed "Power Ventilator for Smoke Control Systems"
Additional Info
- Max Static Pressure: 2.0" w.c.
- Max Airflow (CFM): 63,845
- Drive Type: Belt Drive
- Blade Type: Axial
Download attachments:
- HA Product Data/Submittal (1250 Downloads)
- HA Installation/Operation Manual (991 Downloads)
