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Plug valve is a plug with a hole as the opening and closing parts, plug body rotation with the stem, to achieve the opening and closing action of the valve. The plug body is a cone cylinder. Also has the advantages of simple structure, rapid opening and closing, small flow resistance, convenient maintenance, good sealing performance and other characteristics. Driving method: handle, worm gear transmission, pneumatic, electric. The control system products are widely used in chemical, petroleum, textile, pharmaceutical, food, medicine, water and paper industrial pipeline.

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