Floating head of a floating-head heat exchanger
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1 What type of gasket should be chosen for the floating head seal of a floating head heat exchanger? Which suppliers provide good gaskets? How to test gaskets. 2 Should the flange be subjected to PWHT?
1. There are specific standards for floating head gaskets; you can simply choose one that corresponds to the desired pressure level, or you can design one yourself as well. As for the gasket supplier, I’m not sure; I think as long as it meets all the required performance standards, it should be fine. 2. The standard floating head cover requires heat treatment; as for whether the floating head itself needs heat treatment, this depends on the medium and other factors, and the relevant standards should be followed.
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