ASME B16.42-98球墨铸铁管法兰及管件(150和300级).pdf

COPYRIGHT American Society of Mechanical EngineersCOPYRIGHT American Society of Mechanical Engineers Licensed by Information Handling ServicesLicensed by Information Handling Services The American Society of Mechanical Engineers OUeTllE IRON PIPE FLANGES AND FlANllED FITTINGS Classes 150and 300 (Revision 01 ASMUANSI B16.42-1987) COPYRIGHT American Society of Mechanical EngineersCOPYRIGHT American Society of Mechanical Engineers Licensed by Information Handling ServicesLicensed by Information Handling Services Date of Issuance: April 26, 1999 The 1998 edition of this Standard is being issued with an automatic addenda subscription service. The use of addenda allows revisions made in response to public review comments or committeeactions to be published ona regular yearly basis; revisions publishedin addenda will become effective six months after the Date of Issuance of the addenda. The next edition of this Standard is scheduled for publication in 2003. ASME issues written replies to inquiries concerning interpretations of technical aspects of this Standard. The interpretations will be included with the above addenda service. ASME is the registered trademar