Gas Transmission and Distribution Piping （气体传输和分配管道）.pdf

ASME B31.8-2012 (Revision of ASME B31.8-2010) Gas Transmission and Distribution Piping Systems ASME Code for Pressure Piping, B31 A N A M E R I C A N N A T I O N A L S T A N D A R D ASME B31.8-2012 (Revision of ASME B31.8-2010) Gas Transmission and Distribution Piping Systems ASME Code for Pressure Piping, B31 A N A M E R I C A N N A T I O N A L S T A N D A R D Three Park Avenue • New York, NY • 10016 USA Date of Issuance: January 4, 2013 The next edition of this Code is scheduled for publication in 2014. This Code will become effective 6 months after the Date of Issuance. ASME issues written replies to inquiries concerning interpretations of technical aspects of this Code. Interpretations, Code Cases, and errata are published on the ASME Web site under the Committee Pages at / 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 /. There is an option available to automatically receive an e-mail notification when errata are posted to a particular code or standard. This option can be found on the appropriate Committee Page after selecting “Errata” in the “Publication Information” section. 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 code or standard was balanced to assure that individuals