Rego Globe Valve Cryogenic System New 1/2" NPT Female Thread 600 PSIG Pressure For Pipeline System (BK8404T) 100% factory tested; Each valve is pressure tested to be leak free; Designed to MSS SP-80 and ASME B31.3 Working temperature range is -320F to +165F. Maximum working pressure is 600 PSIG CWP. (We also carry all rego valves and cylinder accessories) Each valve is cleaned and packaged for oxygen service per CGA G-4.1.