... high efficiency 2.End Suction Pump 4.Control Panel Advantages1.Directly coupled, vibration proof and low noise ... transportation of liquids in the fields of air condition, heating, sanitary water, water treatment cooling, refrigeratingsystem, liquid ... ConstructionCasing/impeller:cast iron,stainless steel,copper,bronzeShaft:carbon steel 45#,stainless steelMechnical seal:graphite/silicon carbide ...