Exhaust Valve Maximum Operating Pressure 145 psi Minimum Operating Pressure 4.35 psi Inlet Size 1/2 in Air Inlet Type NPT Air Outlet Size 1/2 in Air Outlet Type NPT Inlet Gender Female Air Outlet Gender Female Body Material Finish Nickel Plated Maximum Operating Temperature 176 Degrees F Minimum Operating Temperature -4 Degrees F Standards REACH RoHS Compliant ISO 5598 Body Material Brass Overall Width 2 1/8 in Overall Length 2 13/16 in Overall Height 2 1/2 in