Working Principle Of Fluorine-lined Gate Valve

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Lined Gate Valve Turn the handwheel, and through the advance and retreat of the handwheel and the valve stem thread, lift or lower the valve plate connected to the valve stem to achieve the effect of opening and closing.
The types of gates can be divided into wedge-type gate valves and parallel gate valves according to the sealing surface configuration. Wedge-type gate valves can be divided into: single gate type, double gate type and elastic gate type; parallel gate valves can be divided into single gate type and double gate type. According to the thread position of the valve stem, it can be divided into two types: rising stem gate valve and concealed stem gate valve.
The following matters should be noted in the installation and maintenance of fluorine-lined gate valves:
Handwheels, handles and transmission mechanisms are not allowed to be used for lifting, and collision is strictly prohibited.
Double-disc gate valves should be installed vertically (that is, the valve stem is in a vertical position and the handwheel is at the top).
The bypass valve should be opened before opening the gate valve with a bypass valve (to balance the pressure difference between the inlet and outlet and reduce the opening force).
The gate valve with a transmission mechanism should be installed according to the provisions of the product instruction manual.
If the valve is frequently opened and closed, lubricate it at least once a month.

Working Principle Of Fluorine-lined Gate Valve

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