Double Diaphragm Pump Operation Type Air Operated Valve Type Ball Body Material Aluminum Inlet/Outlet Size 1 In. Connection Style NPT Air Inlet Size 1/2 in FNPT Max Flow GPM 60 gpm Max Operating Pressure 120 psi Max Temp 200 Degrees F Diaphragm Material Viton(r) Ball Material Viton(r) Check Seat Material Aluminum Max Dia Solids 1/8 In. Manifold Connection Single Length 11-11/16 In. Width 14 In. Height 16-7/8 In. Self-Priming Dry 19 ft.