How to check for no stress in T.G (tenon-groove) flanges?

2026-02-14View Original

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Sea friends； For PN160, DN250 flanges connected to moving equipment, how to check for no stress? The pipes are thick, so it seems difficult. I saw that even a stress-free check requires 100 wealth points, so I’m posting this. Prices in Haichuan have gone up

Reply #22026-02-27

SH/T3501-2021 specifies the specific steps and requirements

Reply #32026-05-21

For T/G flanges with tenon-and-socket structure, the standard methods no longer work.

Reply #42026-05-24

The same applies: prioritize adjusting the bracket; if it’s not possible to adjust the bracket, then adjust the weld joint that is farther away from the device

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How to check for no stress in T.G (tenon-groove) flanges?

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