Double Diaphragm Pump Operation Type Air Operated Valve Type Ball Body Material Aluminum Inlet/Outlet Size 1 In. Connection Style NPT Air Inlet Size 1/4 in FNPT Max Flow GPM 52 gpm Max Operating Pressure 120 psi Max Temp 200 Degrees F Diaphragm Material PTFE Ball Material PTFE Check Seat Material Aluminum Max Dia Solids 1/8 In. Manifold Connection Multiport Length 12-5/16 In. Width 14 In. Height 12-7/16 In. Self-Priming Dry 19 ft. Manufacturers Warranty Length 5 yr.