1) Conforms to API 6D, ANSI 16.34 and BS 1868
2) Tested according to API 598, API 6D and marking is per MSS-SP-25
3) Standards compliance:
    a) Design and manufacture: ANSI B16.34, API 6D, BS 1868
    b) Face to face (end to end): ANSI B16.10, API 6D
    c) Flanged connection: 2" ~ 24" to ANSI B16.5; 22" 26" ~ 36" to
       MSS-SP-44 to API 605
    d) Butt welded end: ANSI B16.25
4) Test and inspection: API 598, API 6D
5) Class: 150 ~ 1,500LB