Author: https://www.chinesestandard.net

Publisher: https://www.chinesestandard.net

Published: 2018-11-09

Total Pages: 201

ISBN-13:

This Standard specifies the pressure-temperature rated values, materials, design requirements, inspection and test, markings of steel valves, and requirements for special pressure level valves and defined pressure level valves. This Standard applies to flanged, threaded and welded valves, as well as clipon valves and valves for single flange installation, of which the pressurebearing members are made using the materials given in Table 1A and Table 1B; the valve body is made by casting, forged rolling, rolling and assemblingwelding. This Standard includes valves of which the nominal pressure is Class series and PN series.