Are there metal butterfly valves and gate valves with soft seals?
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I would like to ask: are there soft-sealed versions of metal butterfly valves and gate valves?
Butterfly valves and gate valves also have soft-seal structures. Depending on the application, one of them is a rubber or plastic lining ； Another option is to use soft sealing materials for the sealing surface.
Butterfly valves have a sealing structure and provide a certain level of sealing, but it should be clear that they are not truly sealed valves.
Of course, there are ones: soft-sealed gate valves and butterfly valves
Some soft seals can last a long time as long as the medium temperature is suitable and there are no hard particles present
Why isn’t a butterfly valve a sealing valve? Butterfly valves can also easily achieve a level 6 seal