Xinhai knife gate valve is mainly a manual gate valve. Xinhai Mining can also manufacture the electric and pneumatic gate valve according to the needing of customers. Three kinds of gate valve can be carried out by the remote control. In addition, the valve body is fitted with oil nipple to reduce the friction on gate and force moment of opening and closing of the valve. Spool made of the wear–resistant rubber, has the small specific gravity, is easier to replace.
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