The parametric study demonstrates that substantial hydrostatic pressure can be produced on the seal face with partial micro-pores.
研究表明在部分密封端面上加工微孔可有效增大端面静压。
Seal leakage test on the inlet valve under a hydrostatic pressure equal to maximum static head. The leakage shall not exceed the amount guaranteed by the Contractor.
对入口阀在最大静水压力下的密封泄漏试验。泄漏量不得超过承包商所保证的量。
The machine imports, pumps, pump shell structure strong are the hydrostatic test, the mechanical shaft seal, stop leakage effect is good.
整机进口，泵浦结构坚固，泵壳皆经水压试验，采用机械轴封，止漏效果好。
A mathematical model about the duration of seal test of hydrostatic test for gas pipeline was developed firstly.
建立了考虑管道弹性变形和含有一定量气体时输气管道严密性水试压稳压时间计算的数学模型。
A mathematical model about the duration of seal test of hydrostatic test for gas pipeline was developed firstly.
建立了考虑管道弹性变形和含有一定量气体时输气管道严密性水试压稳压时间计算的数学模型。
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