Application JDW Self-priming deep well pumps consist of an ejector unit and a centrifugal pump.The ejector unit can be put in a 4"diameter well.These pumps are suitable to convey clean water or non_aggressive chemical fluids.They are suitable to pump water from deep well and supply water automatically by pressure tank and pressure control.It is always advisable to install a foot valve with a strainer on the bottom of inlet pipe. Construct PUMP Single Phase Heavy Duty Continuous Work Pump body: Cast Iron Impeller: Brass/Stainless Steel/Techno-polymer(P.P.O) Mechanical Seal: SIC/Ceramic/Graphite MOTOR Motor Housing: Aluminum Alloy Shaft:Carbon steel/stainless steel Insulation: ClassB/Class F Protection: IP44/IP54 Cooling:External Ventilation Operation Conditions Liquid temperature up to 60℃ Ambient temperature up to 40℃ Total suction lift up to 9m Continuous duty