These are employed for air containing dust or particles, fiber, flakes & having higher temperatures than ambient. Usually offered in single inlet styled fans are moderately efficient & useful for Creating Draft in Systems. Impellers are RadialBlade or backward inclined or Curved blade type having flat or Airfoil designs, with Shrouded or open constructions. Split housings facilitate wheel removal without disturbing connecting ductwork. Operating Range Air flow up to 40000 CMH Motor up to 150 Kw RPM variation up to 2500 Rpm