ASME-B16.5 Complete Document History
Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard

Complete Current Edition:
   2020 EDITION - Pipe Flanges and Flanged Fittings NPS ½ Through NPS 24 Metric/Inch Standard - Jan. 1, 2020

Obsolete Revision Information:
   2017 EDITION - Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard - May 30, 2017
   2013 EDITION - Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Me - April 29, 2013
   2009 EDITION - Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Me - June 30, 2009
   2003 EDITION - Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Me - Dec. 15, 2003
   ADDENDA A - ADDENDA A FOR 1996 EDITION - Oct. 26, 1998
   1996 EDITION - Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Me - Feb. 28, 1997
   1988 EDITION ADDENDA A - ADDENDA A FOR 1988 EDITION - Oct. 26, 1992
   ERRATA - Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Me - Oct. 1, 1988
   1988 EDITION - Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Me - Sept. 30, 1988
   1981 EDITION - Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Me - Jan. 1, 1981