Double Diaphragm Pump Pump Operation Type Air Operated Max Flow 32 gpm Max Temp - Pumps 180 Degrees F Housing Material - Pumps Aluminum Inlet/Outlet Size 3/4 in Connection Style NPT Air Inlet Size 1/4 in FNPT Diaphragm Material - Pumps Buna N Valve Type Ball Max Flow GPM 32 gpm Max Operating Pressure 100 psi Ball Material Buna N Check Seat Material Aluminum Max Dia Solids 1/16 in Manifold Connection Single Length 8 in Width 9 3/4 in Height 12 5/8 in