Specifications

1 General Clean Air
2 Light Contaminants
3 Seismic
4 High Wind
5 Variable Volume

OFS ventilaor are spun aluminum fans designed for roof mounting on curbs for general exhaust applications with relatively clean air. Wheels are backward inclined (non-overloading) and are available in standard and high pressure designs. Motor and drive frame are mounted to the fan on double studded isolators for true vibration isolation. Capacities up to 42,000 cfm or up to 3 in. wg. Aluminum Roof Ventilaor Application area: Building Roof top Exhaust air Application: General air exhaust, smoke removal, explosion proof place air exhaust Fan diameter: From 300mm to 1000mm Drive type: Direct drive or belt drive Specification Air Volume: 352~~29410 CFM (600--50000m3/h) Static pressure: 0.39~2.9 INWG (100--750PA) Installation type: Mount on curb of rooftop (normally local contractors will provide roof curb) Product Feature: Aluminum fan wheel and fan housing, backwards inclined centrifugal fan impeller Low noise high efficiency, non overload, Easy maintenance Motor: TEFC IP54 Accessory: Back draft Damper (optional)