... Centrifugal Pump TEFC motor,2 pole. Protection: IP55 Insulation: CLASS F Standard Volt: 50HZ,3Ph,380V SZ Fluorin plastic Centrifugal ... SZ50-32-160 SZ is Fluorin plastic Centrifugal Pump 50 is suction diameter(mm) 32 ... paper making, galvanization, etc. Structure feature ·SZ pump has one impeller, axial suction and radical discharge ... curve: Eta means the pump efficient. SZ Fluorin plastic Centrifugal Pump