Valve, Regulating, Flow Range 0-9 GPM, Max. Fluid Temp. 190 F, Body Material Brass, Wetted Materials Brass, Stainless Steel, Buna-N, Plastic, Steel, Inlet Port (In.) 3/8 M, Outlet Port (In.) 3/8 M, Bypass Port (In.) 3/8 F, Max. Pressure 5100 PSI, Height 8 1/8 In., For Use With Plunger Pumps