Air Operated Valve Pipe Size 3/4 in Valve Design 2-Way Valve Configuration Normally Closed Orifice Dia 3/4 in Coefficient of Volume 2.5 Min Operating Pressure Differential 0 psi Max Operating Pressure Differential 300 psi Max Fluid Temp 180 Degrees F Air Inlet 1/8 in FNPT Inlet Pressure Up to 250 psi Body Material Brass Gasket Material Buna-N Seat Material 303 Stainless Steel Center Line Pipe Center Size 1 15/16 in Overall Length 1 15/16 in Overall Width 2 7/8 in