ANSI-B16.20 › Complete Document History
Metallic Gaskets for Pipe Flanges, Ring-Joint, Spiral-Wound,& Jacketed

Complete Current Edition:
   RENUMBERED - ASME-B16.20 - Jan. 1, 1998

Obsolete Revision Information:
   1993 EDITION ADDENDA B - ADDENDA B FOR 1993 EDITION - Dec. 31, 1997
   1993 EDITION ADDENDA A - ADDENDA A FOR 1993 EDITION - Nov. 15, 1994
   1993 EDITION ERRATA - ERRATA FOR 1993 EDITION - June 1, 1994
   1993 EDITION - METALLIC GASKETS FOR PIPE FLAN - April 30, 1993
   DOD VALIDATION - FYI: VALIDATION OF DOD ADOPTION - Jan. 10, 1992
   1973 EDITION - METALLIC GASKETS FOR PIPE FLAN - Jan. 1, 1973