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Vacuum valve and flanged gate is belong to one type of valve, the difference in its closure is a valve body, valve body around the center line of the body as a rotation to achieve a kind of open and close the valve. Gate valve in the line is mainly used for cutting, distribution, and change the flow direction of medium. Two type ball valve, three type ball valve, is widely used in recent years a new type of valve. Is the ministry of machine building, chemical, China chemical equipment corporation fixed-point production enterprise. In the industry have a well-known price advantage and technological advantages.


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