Tsim thiab Tsim Khoom: API 602
Kev Tshuaj Xyuas thiab Kev Xeem: API 598
Qhov (Socket-weld dimension): ASME B16.11
Xov kawg qhov ntev: ASME B1.20.1
Qhov kawg Flange qhov ntev: ASME B16.5, JIS B2212-2214, ASME B16.47A, MSS SP-44, ASME B16.47B, API 605
BW kawg qhov ntev: ASME B16.25
Ntsuas ntsuas kub: ASME B16.34