ASME B16.5-2009 (Revision of ASME B16.5-2003) Pipe Flanges and Flanged Fittings NPS 1/2 Through NPS 24 Metric/Inch Standard AN AMERICAN NATIONAL STANDARD The American Society of ASME Mechanical Engineers SETTING THE STANDARD ASME B16.5-2009 (Revision of ASME B16.5-2003) Pipe Flanges and Flanged Fittings NPS 1 Through NPS 24 Metric/Inch Standard AN AMERICAN NATIONAL STANDARD The American Society of ASME Mechanical Engineers SETTING THE STANDARD Date of Issuance:June 30,2009 The next edition of this Standard is scheduled for publication in 2012.There will be no addenda issued to this edition. ASME issues written replies to inquiries concerning interpretations of technical aspects of this Standard.Interpretations are published on the ASME Web site under the Committee Pages at cstools.asme.org as they are issued. Items approved as errata to this edition are published on the ASME Web site under Committee Pages at cstools.asme.org. ASME is the registered trademark of The American Society of Mechanical Engineers. This code or standard was developed under procedures accredited as meeting the criteria for American National Standards.The Standards Committee that approved the co...