高性能蝶閥的閥板與閥座具有的結構設計,因此具有優(yōu)良的切斷性能和耐久性能,是一種用途廣泛的調(diào)節(jié)閥。
This series is high performance butterfly valve of high durability, high seating performance. It has several different seal ring construction suitable to various service applications.
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高性能蝶閥的閥板與閥座具有的結構設計,因此具有優(yōu)良的切斷性能和耐久性能,是一種用途廣泛的調(diào)節(jié)閥。
This series is high performance butterfly valve of high durability, high seating performance. It has several different seal ring construction suitable to various service applications.
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