Nhazi na nrụpụta: API 602
Nnyocha na nnwale: API 598
Akụkụ weld-weld: ASME B16.11
Eriri ngwụcha akụkụ: ASME B1.20.1
Akụkụ njedebe Flange: ASME B16.5, JIS B2212-2214, ASME B16.47A, MSS SP-44, ASME B16.47B, API 605
Akụkụ njedebe BW: ASME B16.25
Nrụgide nrụgide ọnọdụ okpomọkụ: ASME B16.34