Double Diaphragm Pump Pump Operation Type Air Operated Max Flow 100 gpm Max Temp - Pumps 180 Degrees F Housing Material - Pumps Polypropylene Inlet/Outlet Size 1-1/2 In. Connection Style Flange Air Inlet Size 3/4 in FNPT Diaphragm Material - Pumps Santoprene(R) Agency Compliance CE ATEX EAC Valve Type 15 ft. Max Flow GPM 100 Max Operating Pressure 100 psi Ball Material Santoprene(R) Check Seat Material Polypropylene Max Dia Solids 1/4 In. Manifold Connection Single