Redundant Safety Exhaust Valve, Air Inlet Size 1/2 in, Air Inlet Type NPT, Air Outlet Gender Female, Air Outlet Size 1/2 in, Air Outlet Type NPT, Body Material Aluminum, For Substance Type Air, Includes 1/8 NPTF Port Plate, Maximum Operating Pressure 145 psi, Maximum Operating Temperature 122 Degrees F, Minimum Operating Pressure 55 psi, Minimum Operating Temperature 14 Degrees F, Overall Depth 106 1/2 in, Overall Height 250 in, Overall Width 132 in, Seal Material NBR, Standards ISO 1179-1