General Purpose Union With “O” Ring Seal in Male Sub for Improved SealingUnions Conform to NACE, ISO, DNV and API Standards. Materials Conform to ASTM Grade 65-45-12, ASTM A-105 ASTM A29.NPT Threads Conform to ASME B1.20.1.CWP (Cold Working Pressure) is the Maximum Pressure at Ambient Temperature (70ºF).








