How to install and maintain the knife gate valve

October 14 12:05:50, 2021

The knife-type gate valve can complete the action control and signal output of the two positions of the opening and closing by using the accessories such as the electromagnetic valve and the proximity switch, and can also complete the automatic control of the continuous action. Knife-type gate valves are widely used in chemical, coal, sugar, sewage, paper and other fields, and are an ideal sealing gate valve. It is especially suitable for adjustment and throttling in the paper industry on the pipeline.

The installation and maintenance of the knife gate valve should pay attention to the following matters:

1. Handwheels, handles and transmission mechanisms are not allowed to be used for lifting, and collision is strictly prohibited.

2. The double gate valve should be installed vertically (ie the stem is in the vertical position and the handwheel is on the top).

3. The gate valve with the bypass valve should open the bypass valve before opening (to balance the pressure difference between the inlet and outlet and reduce the opening force).

4. The gate valve with transmission mechanism is installed according to the specifications of the product manual.

5. If the valve is used frequently, it should be lubricated at least once a month.
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