Gate valve is one kind of valve whose opening and closing part(valve disc) moves along the the vertical direction of the channel axis. It is widely used in the pipe line network to cut off the mediums flow, which is to achieve full open and close. Generally, the gate valve consists of valve body, valve seat, valve stem, valve disc, bonnet, sealing ring,etc.
The gate valve is rarely used to regulate the flow rate. With different material used, the gate valve can be used in low temperature and low pressure pipe line networks, also can be used in high temperature and high pressure pipe lines.
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