Centrifugal turbo fan with 30kpa 18.5KW 18500RPM high speed permenant magnet motor Product Feature 1. Extra high speed 18500rpm permanent magnet motor 2. High efficiency 3.Low noise low vibration 4.Aviation aluminum impeller with super high level of anti-corrison 5.Easy maintenance and long life time 6.Durable, reliable ceramic ball bearing 7. Pressure: 30Kpa 8. Air flow: 23m3/minute Motor Specifications Model type: SRPM112H4F18.5 Voltage: 380V AC Rated Power: 18.5KW Rate Torque : 9.55 N.m Working speed: 18500rpm Efficiency: 96.5% Isolation: H Water/dust Proof: IP54(IP67 option) Pole Number: 4 Cooling Method: Forced air Small size: H:321mm* L350mm Motor NW: 31KG Application: waste water treatement, incierator, pipe cleaning, ozone implement, air-liquid rise pump, plating bath, compost ferment, Pound oxygen providing, sandblast, atomizer, press machine, production line drying, etc.