Sealing Surface is Hard-facing with Cr. Alloy which is Anti-resistant, Corrosion-resistant, Anti-Friction to Ensure a Longer Service Life.
Learn MoreDouble expanding through conduit gate valve is one kind of bilateral forced sealing valve with the capability of protecting the sealing surface, this type of expanding through conduit gate valve can be widely installed onto pipelines and storage devices for oil products, natural gas and oil, and corrosive medium such as acid and alkali etc.
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