Impellers' diameters from 315mm to 1600mm with 150, 200, 250, 300 & 550mm dia Hub.

High performance blade of high pressure injection die-cast aluminium alloy with adjustable pitch angle. X-ray examined. Good surface finishes and high quality standard. All cast hubs with "taper-bushing". Suitable for Tunnel Jet and smoke exhaust (400degC/2hrs) application. Complied to ISO58001.Noise tested to DIN 45635.