Standards compliance

Design and Manufacture: ANSI B16.34, API6D, BS1868

Face to face(end to end): ANSI B16.10, API6D

Flanged connection: 2"~24" to ANSI B16.5

                                22", 26"~36 to MSS-SP-44

                                to API605 on request

Butt welded end: ANSI B16.25

Test and inspection: API598, API6D