Insulation is secured with a non flammable contact cement. All exposed edges and joints in insulation are sealed to eliminate shedding. Forward curved centrifugal type. Bearings are sealed ball type, isolated in rubber. Shaft material is ground and polished stress-relieved steel, with flats and keyways to prevent slippage of driven pulley.
Motor is mounted on an adjustable base.
Units shall be classified to accommodate CFM ranges of 2,000 CFM to 14,000 CFM and can be built to custom specifications. Each unit shall be factory tested to meet air volume requirements. Typical forward curve, back inlet top horizontal discharge fan cabinet with supports for hanging. For easy servicing of blower, motor, drives, and electrical connections. Filter frame can be mounted on back, top, or bottom of unit.