Z23X-35 series of mud gate valve is mainly used for oil field or mine mud circulation system to control the mud flow. They are buttress threaded connected, easy for quick installation, with great rigidity, safety and reliability. Parallel-type elastic sealing between valve seat and gate has good sealing effect and easy to open. Connection of each end of valve with pipes is sealed with spherical live contacts combined with the rubber O rings. This live type joint has little demand of straightness on both ends of pipelines when installation.

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