What form of sealing is used for 70Mpa pressure pipeline components?
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Recently, I am designing a 70Mpa hydrogen pipeline filter, which requires no welding and threaded connection. The material is 316L and the shell connection is made of M90.* 2 thread, the effective length of the thread is about 40mm, and the axial and radial seals are sealed with fluorine rubber rings, or a cone seal is added. Is this design safe?
What's the temperature? Thread + sealing ring structure, it should be fine