Air Operated Valve Pipe Size 3/4 in Valve Design 2-Way Valve Configuration Normally Closed Orifice Dia 3/4 in Coefficient of Volume 5.5 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 3 5/8 in Overall Length 2 13/16 in Overall Width 2 5/16 in Overall Height 4 9/32 in