82 GPM, 95 PSI. Max Hydraulic 6 GPM. For Closed Systems. 1-1/2″ NPT inlet, 1-1/4″ NPT outlet. Hypro 9303P-HM2C Centrifugal Pump. Hypro centrifugal pumps are designed for agricultural and industrial spraying and transfer of a variety of fluids: water, insecticides, herbicides, wettable powders, emulsives, liquid fertilizers, etc. Polypropylene may also be used to pump acid fertilizer, calcium chloride and other highly corrosive liquids such as sulfuric and phosphoric acids.