What is the structure of the pure metal seal ring in a butterfly valve?

2021-04-06View Original

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I am currently looking for a low-temperature butterfly valve with 16-inch pure-metal seals. Could anyone give me some advice on how such pure-metal seals are made, and what heat treatment processes are used for the sealing surfaces? We usually use 304 with graphite; we haven’t used pure metal before, so I’m seeking advice.

Reply #22021-04-08

Don’t low-temperature butterfly valves have all-metal seals, with surface hardening as well?

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What is the structure of the pure metal seal ring in a butterfly valve?

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