Dhizaini uye Gadzira: API 602
Kuongorora uye Bvunzo: API 598
Socket-weld divi: ASME B16.11
Threads end dimension: ASME B1.20.1
End Flange divi: ASME B16.5, JIS B2212-2214, ASME B16.47A, MSS SP-44, ASME B16.47B, API 605
BW magumo divi: ASME B16.25
Pressure-tembiricha ratings: ASME B16.34