Butterfly valves are fast acting (1/4 turn) rotary motion valves. This type of valve can be used to start, stop and regulate flow (throttle flow). The butterfly valve has found widespre…
Common non-metallic materials for butterfly valve seats include EPDM, NBR, and PTFE. This article mainly introduces the material information of different valve seats. If you need to buy EPDM/NBR/PTFE …
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