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English Translations » 【管道阀门技术圈】 » What gaskets are used for PPH valves, flanges, etc.?

What gaskets are used for PPH valves, flanges, etc.?

2021-07-02View Original

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Dear sea friends, I have a question. 1. What type of gasket works well for PPH valves and flanges used in ammonia-alkali production? Can a PTFE gasket be used? 2. Leakage is quite severe at the threaded connections of stainless steel pipe fittings; are there any other good methods besides using PTFE tape? 3. Are there any good flowmeters recommended for ammonia-alkali media? There’s serious leakage at the junction where the glass meets stainless steel in the on-site glass rotameter.
Reply #22021-07-02
As shown, there is leakage at the metal threads as well as leakage at the PPH connectors

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Translated at 2026-07-26 12:46:16

Original: https://bbs.hcbbs.com/thread-3236048-1-1.html

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