摘要
对地下井室内丝扣黄铜球阀阀体裂纹的现象进行了描述和判断,对产生的原因及环境条件进行了分析,并提出了解决建议和措施。
This paper describes the interior thread cracking of the brass ball valve in underground wells, analyzing the reason leading to the cracking, and puts forward the suggestion and countermeasures as well.
出处
《上海煤气》
2014年第1期11-13,15,共4页
Shanghai Gas
关键词
黄铜球阀
丝扣
季裂
应力腐蚀
brass ball valve, thread, season crack, stress corrosion
