Air Line Lockout Valve Air Inlet Size 3/8 in Air Inlet Type NPT Air Outlet Size 3/8 in Air Outlet Type NPT Maximum Operating Pressure 123 psi Maximum Operating Temperature 122 Degrees F Series Standard Modular Connectors Air Inlet Gender Male Air Outlet Gender Male Body Material Aluminum Coefficient of Volume Exhaust 0.2 Coefficient of Volume Forward 8 Exhaust Port Size 3/8 in Exhaust Port Type NPT For Use With Speedaire Intermediate Speedaire Standard