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Dear friends from Sichuan, regarding the valves on the pipelines. . .

2011-10-27View Original

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A gate valve is installed first on the return pipeline, followed by a check valve; I wonder if it’s possible to reverse the order of these valves?
Reply #22011-10-27
It is recommended not to reverse the positions; otherwise, after the gate valve is closed, the material between the two valves will expand due to heat, generating high pressure, which is quite dangerous
Reply #32011-10-27
Some stop valves can be installed in reverse; installing them this way helps with sealing under high pressure~~~
Reply #42011-10-27
Reply to 2# tony_wei, buddy, could you be more detailed? I don’t quite understand, hehe
Reply #52011-10-27
Reply to 3# Yusese: Man, I’m a newbie in the chemical industry. . . Reversing the installation helps with sealing? How should this sentence be understood?

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