Are there any standards for PN1.6 wound gaskets in mechanical standards?
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In the mechanical standards, JB/T 90-1994 covers only the standards for gaskets with a pressure rating of PN2.5 or higher. I would like to ask those who are more experienced: what should be done in cases where gaskets with a pressure rating of PN1.6 or lower are required? Do mechanical standards not have any standards below PN1.6?
For pressures below PN16, metal wound gaskets should not be used – it’s not cost-effective; asbestos gaskets or PTFE gaskets can be used instead
Just out of curiosity, I’m asking. Also, replacing the oil pipeline with gaskets would solve the problem once and for all.