What are the reasons for leakage in the emergency shut-off valve of an liquid oxygen tank truck?
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What are the causes of air leakage in the emergency shut-off valve of an liquid oxygen tank truck? The emergency shut-off valve has been leaking recently, and even after replacing the gasket, it still leaks air. What’s the reason? Urgent online. .
Based on the photos, a preliminary assessment is that the upper seal is deformed or there is a layer of debris in the valve seat seal
This technician replaced the gasket, but now it doesn’t seal at all. It’s as if it isn’t sealed.
Could this be happening because the pad is too thick? It’s skewed like this
What material is the sealing ring made of? Nowadays, many on the market are made of plastic, not PTFE