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。
2
Seal the blind plate and check carefully whether the pipeline is correctly connected and block phenomenon in the pipe before pressuretest.
试压前要先封好盲板，认真检查管路是否连接正确，有无管内堵死现象。
3
The air leak tester of AL-1000A belongs to differential pressure type. It is a high precision detecting transducers. It is much economical and widely applied to sealtest of product parts.