Idizayini Nokwakhiwa: I-API 600, i-API 6D, i-JIS B2073-2083
Ukuhlolwa Nokuhlolwa: API 598, API 6D, JIS B2003, API 600
Qeda ubukhulu be-Flange: ASME B16.5, JIS B2212-2214, ASME B16.47A, MSS SP-44, ASME B16.47B, API 605
Ubukhulu bokuphela kwe-BW: ASME B16.25
Ubuso nobuso: ASME B16.10, JIS B2002
Izilinganiso zokushisa kwengcindezi: ASME B16.34