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Product principle of china soft sealing gate valve

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Product principle of china soft sealing gate valve

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Time
2022/05/24
china soft sealing gate valve is divided into two types: open rod type and dark rod type. Usually, there is a trapezoidal thread on the lift rod. Through the nut in the middle of the gate and the guide groove on the valve body, the rotary motion is changed into a linear motion, that is, the operating torque is changed into the operating thrust.

china soft sealing gate valve is divided into two types: open rod type and dark rod type. Usually, there is a trapezoidal thread on the lift rod. Through the nut in the middle of the gate and the guide groove on the valve body, the rotary motion is changed into a linear motion, that is, the operating torque is changed into the operating thrust. When the valve is opened, when the lift height of the gate is equal to 1:1 times the diameter of the valve, the fluid channel is completely unobstructed, but this position cannot be monitored during operation. In actual use, the apex of the valve stem is used as a sign, that is, the position where it cannot be opened, as its fully open position. In order to take into account the lock-up phenomenon caused by temperature changes, it is usually opened to the top position, and then reversed by 1/2-1 turn, as the position of the fully open valve. Therefore, the fully open position of the valve is determined according to the position of the gate (ie stroke). This type of valve should generally be installed horizontally in the pipeline.

china soft sealing gate valve
The above is a brief introduction to the product principle of china soft sealing gate valve.