centrifugal pump:Impeller:Brass or aluminum Motor coil:aluminum/copper;M-seal:carbon. centrifugal pumpTwo –pole induction motor (n=2850r.p.m)Insulation class BProtection IP45MaterialMotor casing:AluminumImpeller: Brass or aluminum or plastic.Motor coil:copper/ aluminumCertificate:CE,GS,EMS,CCC,ISO9001,ISO2000.Customer from america,europe,australia and southeast Asia Voltage/frenquency:Single ...