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。
2
This paper analyzes the influence of the test device cycling characteristic for fluid dynamic characteristic on the pulsation pressure measurement in seawater pipeline system.
分析了流体动态特性实验台架本身的自循环特性对海水管路系统中脉动压力测量的影响。
3
Take apart all valves along the pipeline for washing before installation, check whether valve handles are flexible. The valves can be installed after passing the pressuretest.