This series of butterfly valve is a new generation of patented products which is independent researched and developed by our company,no pin connection is through a valve rod milling flat straight connection with the butterfly plate matched,with countersunk head bolt is fixed,is more convenient in assembly,firmer connection security.Use triple eccentric sealing structure,no mechanical wear,can achieve zero leakage,with bidirectional sealing function superior,is used as the best device in oil chemical industry, materials, food, medicine, water supply and drainage, gas delivery of different media,such as adjust,cut off or connected to the fluid flow. Trust we are the right supplier your are looking for!

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