how to select pressure gauge for hydrotest in 3 steps

how to select pressure gauge for hydrotest
Hydrotest or hydrostatic pressure test is required to ensure mechanical integrity of new, repaired or altered piping. All things related to hydrotest must be referred to applicable standards like ASME.

In this post, I’d like to focus on how to select pressure gauge for hydrotest in 3 steps. Pressure gauge is used as the only measuring tool for this purpose.

Let’s see how to select pressure gauge for hydrotest in 3 steps.

How to Select Pressure Gauge for Hydrotest

  1. Select pressure gauge with operating pressure range of 1.5 to 4 times hydrotest pressure (ASME Section VIII). For instance, if the design pressure is 3 barg, then minimum pressure gauge scale must be 4.5 barg.
  2. The pressure gauge status must be calibrated (ASME B31.1 Appendix J-1.2.10). Check its calibration record and certificate.
  3. pressure gauge scale unit should be same with pressure design unit in order to make it easy for recording and evaluation.
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Lukman Nulhakiem

About Lukman Nulhakiem

Chemical Engineer, safety enthusiastic, blogger and internet marketer with experience in chemical industry and industrial product reviews.
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