centrifugal pump:Impeller:Brass or aluminum or plasticMotor coil:aluminum/copper.M-seal:carbon. CENTRIFUGAL PUMPTwo –pole induction motor (n=2850r. ... class BProtection IP45MaterialMotor casing:AluminumImpeller: Brass or aluminum or plasticMotor coil:copper/ aluminumCertificate:CE,GS,EMS,CCC,ISO9001,ISO2000Customer from america,europe ...