Air Operated Valve Pipe Size 1 in Valve Design 2-Way Valve Configuration Normally Closed Orifice Dia 1 in Coefficient of Volume 13 Min Operating Pressure Differential 5 psi Max Operating Pressure Differential 125 psi Max Fluid Temp 180 Degrees F Air Inlet 1/8 in FNPT Inlet Pressure 30 to 125 psi Body Material Brass Gasket Material NBR Seat Material NBR Center Line Pipe Center Size 4 3/8 in Overall Length 3 3/4 in Overall Width 2 15/16 in Overall Height 6 in