ASME B16.21-2016 管法兰用非金属平垫片（英文版）.pdf

ASME B16.21-2016 (Revision of ASME B16.21-2011) Nonmetallic Flat Gaskets for Pipe Flanges AN AMERICAN NATIONAL STANDARD The American Society of R Mechanical Engineers ASME B16.21-2016 (Revision of ASME B16.21-2011) Nonmetallic Flat Gaskets for Pipe Flanges AN AMERICAN NATIONAL STANDARD The American Society of 2 ®Mechanical Engineers Two Park Avenue·New York,NY·10016USA Date of Issuance:December 9,2016 The next edition of this Standard is scheduled for publication in 2021. ASME issues written replies to inquiries concerning interpretations of technical aspects of this Standard.Periodically certain actions of the ASME B16 Committee may be published as Cases.Cases and interpretations are published on the ASME Web site under the Committee Pages at cstools.asme.org/as they are issued. Errata to codes and standards may be posted on the ASME Web site under the Committee Pages to provide corrections to incorrectly published items,or to correct typographical or grammatical errors in codes and standards.Such errata shall be used on the date posted. The Committee Pages can be found at cstools.asme.org/.There is an option available to automatically receive an e-mail notification ...