Use Of Gate Valve

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Use Of Gate Valve

Gate valve is a common pipe control valve, and the correct Use Of Gate Valve is of great significance to ensure production, safe operation and energy saving. In practical applications, the correct use of gate valves can help users achieve accurate flow regulation, effectively control pipeline pressure, and avoid unnecessary losses such as pipeline leakage.

In addition, the gate valve is simple in structure, easy to use and maintain, and can reduce unnecessary maintenance costs and time. At the same time, the rational use of gate valves can effectively prevent the occurrence of pipeline leakage, blasting and other accidents, so as to ensure the personal safety and property safety of users.

Therefore, the correct use of gate valves can not only improve production efficiency, save energy, but also ensure the safe and stable operation of enterprises. To this end, we should pay attention to the study and understanding of gate valves, actively promote the correct use of methods, and constantly improve the use of efficiency, so as to achieve better economic and social benefits.

Gate valve basic operation method

1. The gate valve with bypass should be opened before opening (to balance the differential pressure in and out and reduce the opening torque).

2, when operating, the human body can not be directly against the top of the valve stem, to prevent the valve stem pressure spray injury.

3, the switch operation should be smooth, the force should be even, it is strictly prohibited to use the impact force, in general, it can be operated by hand, and avoid the use of afterforce lever to operate the new valve.

4, the design of the strength of the handwheel (handle) is based on the torque value required for operation, so the handwheel (handle) can not be used as the operating pedal and any increase or socket lengthening lever, or the wrench to increase the torque excessively, and can not use the rope to act on the handwheel (handle), and then use the crane or pulley to operate or lift the valve.

5, with a hand wheel or handle of the gate valve, clockwise rotation of the hand wheel is closed, counterclockwise rotation is open. When the valve is fully opened, the hand wheel should be turned in the opposite direction 1 to 2 turns. The operation mode of gate valves with other actuators shall strictly follow the product instructions.

6, under the high pressure difference, the gate is easily damaged in the half open and half closed state, so the gate valve cannot be used for throttling or adjustment, and must be fully opened or completely closed at one time.

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