Theory:Centrifugal Pump Structure:Multistage Pump Usage:Water Power:Electric Standard or Nonstandard:Standard Fuel:electric Pressure:High Pressure Application:clean water Name:4SP(m)3 multistage submersible pump Product name:Submersible Borehole Pumps Discharge head:Stainless Steel AISI304 Diffuser:Stainless Steel AISI304. Impeller:Stainless Steel AISI304 Shaft:Stainless Steel AISI304, Oil chamber:Cast iron Warranty:18 Months Color:Customer Specifications Show More