4 Inch Submersible Pump

*Stainless steel、HT200 cast iron、environment friendly、 brass discharge head or suction head.
*Sand resistant POM plastic impeller. PC plastic diffuser.
*Stainless steel casing , external sleeve, pump Shaft.
*Stainless steel transmission coupling.
*Stainless steel bolts& screws, filter, cable guard.
*Unique floating impeller structures ,no axial-centered force to the motor ,capable of completing multilevel high flow.
*Small outside diameter, high flow ,high head , suitable for small-caliber well and can reduce the boring costs significantly. More suitable for water discharge of industrial or construction site.
*The head of the pump is equipped with highly reliable injectable check valve, which can effectively prevent the impact of water weight when the motor stops.
*Stainless steel casing ,alloy rubber bearings ,sand proof and high wear-resistance.
*Advanced low noise design ,make pump operate quietly.