centrigugal pump:Impeller:Brass or aluminum,Motor coil:aluminum/copper;M-seal:carbon. CENTRIFUGAL PUMP.Two –pole induction motor (n=2850r.p.m)Insulation class BProtection IP45MaterialMotor casing:AluminumImpeller: BrassMotor coil:copper/ aluminumCertificate:CE,GS,EMS,CCC,ISO9001,ISO2000.Customer from america,europe,australia and southeast Asia Voltage/frenquency:Single phase :220---240/50Hz ; ...