摘要
阀瓣密封面过窄与阀瓣材质的选择不当 。
A too narrow sealing surface of the lamella combined with the improper material quality of the lamella is the main cause affecting the annular scars on the safety value.
出处
《林业劳动安全》
2000年第2期25-28,共4页
Forestry Labour Safety
关键词
安全阀
阀瓣
开启压力
密封压力
锅炉
safety value
lamella
opening pressure
sealing pressure