ASME-B16.20 Complete Document History
Metallic Gaskets for Pipe Flanges

Complete Current Edition:
   2023 EDITION - Metallic Gaskets for Pipe Flanges - Dec. 22, 2023

Obsolete Revision Information:
   2017 EDITION - Metallic Gaskets for Pipe Flanges - Dec. 26, 2017
   2012 EDITION - Metallic Gaskets for Pipe Flanges: Ring-Joint, Spiral-Wound, - June 25, 2013
   2007 EDITION - Metallic Gaskets for Pipe Flanges: Ring-Joint, Spiral-Wound, - Jan. 1, 2007
   1998 EDITION ADDENDA A - ADDENDA A FOR 1998 EDITION - July 21, 2000
   1998 EDITION - REAFFIRMED IN 2004 - April 28, 2000