This Standard Practice provides minimum guidance for the quality of pressure containing steel castings used in the manufacture of standard class@ cast valves compliant with ASME B16.34. It covers castings made by both the sand and investment casting methods. Acceptance standards@ which provide for a minimum quality level for Standard Class cast steel valve castings@ are detailed within this document. PURPOSE The purpose of this Standard Practice is to provide guidance for valve manufacturers by describing methods and non-destructive acceptance criteria for non-Special Class@ steel valve castings. Additionally@ this Standard Practice provides procedures for developing and qualifying Standard Class pilot castings.
SP-147-2014由MSS - Manufacturers Standardization Society of the Valve and Fittings Industry. 发布于 2014-01-01,并于 2014-03-21 实施。
非常抱歉,我们暂时无法提供预览,您可以试试: 免费下载 SP-147-2014 前三页,或者稍后再访问。
点击下载后,生成下载文件时间比较长,请耐心等待......
Copyright ©2007-2022 ANTPEDIA, All Rights Reserved
京ICP备07018254号 京公网安备1101085018 电信与信息服务业务经营许可证:京ICP证110310号