Questions about pressure pipeline valves

2022-03-16View Original

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Ask everyone for advice: GBT20801 stipulates that GC1 pipelines should use special petrochemical grade valves, and the valves should prevent leakage of fluid media at the valve packing. The "petrochemical grade valve" here, how to prove that the selected valve meets this requirement, thank you!

Reply #22022-03-17

Look at the standard number, GB12234 235 is for petroleum and petrochemical use. Then just go find this standard and check it.

Reply #32022-03-18

Take a look at Article 2 of the standard, Normative Reference Documents

Reply #42022-03-18

Also, I would like to remind my friends in the forum that if the standard is updated, please read the new version. You will find unexpected things.

Reply #52022-06-17

GB/T 20801.3-2020 Pressure piping specification industrial piping Part 3: Design and Computing, Vol. 5.1.11.8 strip

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Questions about pressure pipeline valves

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