Parker 522811000 Manual Air Control Valve DirectAir 4, Four Way Three Position, Lever, 1 4 in Female NPT IOP 2P59 N Color Black Material Plastic For Color Black Material Plastic For Use With Most Full Brim Hard Hats Dielectric Protection Yes Includes Face shield Bracket Compatible with Manufacturer Model Number A119R Item Gas Welding Outfit Series AMERIFLAME Cuts Up To 6 in Gas Service Acetylene Duty Rating Heavy Duty Pressure Regulator R250 540 Overall Height 4 1 16 in RoHS Compliant Product Type Manual Air Control Valve Exhaust Port Connection Type Threaded Body Style Inline Operating Pressure Minimum 0 psi Lubrication Lubrication Not Required Valve Port Connection Gender Female Operating Temperature Minimum 32 Degrees F Operating Pressure Maximum 150 psi Operating Temperature Maximum 175 Degrees F Coefficient of Volume (Cv) 0