Union flange
Union flange is used for connection between pipelines. End connection form: oil pipe thread, pipeline pipe thread, welding, etc.; connection sealing form: metal hard seal, rubber seal.
Basic parameters
Nominal diameter: 1 13 / 16 "~ 7 1 / 16"
Working pressure: 2000psi ~ 20000psi
Temperature: – 75 ° f ~ + 250 ° f (– 60 ° C ~ + 121 ° C)
Main materials: AA, BB, CC, DD, EE, FF, HH
Specification level: psl1-4
Performance level: pr1-2