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What has all this witnessed? Could you tell me the specific steps? What are the common problems that arise?
Once you look at the fixed-volume specification and GB150, everything will become clear
The hydrostatic test is also carried out in segments, and different aspects need to be checked for each segment; there are specific requirements for 150 and the regulatory standards, so you can check those out.
Gauge range, validity period, water temperature, operating pressure, test pressure, pressure rise rate, whether the welds and pipes are leaking, and other factors
For pressure testing of containers, GB150 can be referred to
Take a look at GB150, and find some videos on this topic – then everything will become clear. In fact, you can understand it just by going to the site; no need to read any books.
Practice is the most important; take a look at the standards and then go to the site to see for yourself
If there is a leak, the bolts cannot be tightened under pressure
Original poster, please clarify whether you mean a pressure test for the equipment, a pressure test for the pipelines, or a visit to the manufacturer to see the valve pressure testing. Once you clarify it, this problem can be solved. I’ve been working at the construction site for almost 6 years now; I’ll definitely check everything thoroughly – nothing can stay unchecked. Hehe, I’m going to get criticized by my peers.
I’ve figured it out – I went through all the issues related to Gb150 and tolerance specifications! I’ll report on the actual situation on site when I get back!
These people are really good at deceiving others; when they don’t know something, they pretend to understand and say they’ll “check the standards”.