摘要
输送丙烷介质的泵，其密封端面中存在气、液两相，极易泄漏，针对这一现实，研制了一种双重机械密封，解决了这一难题。
it is very easy to have phenomenon of leakage because gas and liquid phases do exist of sealing surface of propane transferring pump， double mechanical seal was developed and this problem was solved．
出处
《黑龙江石油化工》
2001年第3期36-38,共3页
Heilongjiang Petrochemical Technology
