The working principle of soft sealing gate valve
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The opening and closing member of the soft seal gate valve is a gate. The direction of movement of the gate is perpendicular to the direction of the fluid. The gate valve can only be fully open and fully closed, and cannot be adjusted and throttled. The gate has two sealing faces, and the two sealing faces of the most common mode gate valves form wedge-shaped, wedge-shaped angle valves.
The working principle of the soft seal gate valve:
The soft seal gate valve is also called the lift rod gate valve (also called the dark rod wedge gate valve). Usually there is a trapezoidal thread at the bottom end of the valve stem, and the rotary motion is changed into a linear motion by the thread at the bottom end of the valve and the guide groove on the valve flap, that is, the operating torque is changed to the operating thrust. When the valve is opened, when the lifting height of the shutter is equal to 1:1 times the diameter of the valve, the passage of the fluid is completely unblocked, but this position cannot be monitored during operation. In actual use, it is marked by the apex of the valve stem, that is, it can not be moved.
Position as its fully open position. In order to consider the temperature change, the lock phenomenon is usually turned on to the apex position, and then back to 1/2-1 circle as the position of the fully open valve. Therefore, the full open position of the valve is determined by the position of the gate (ie stroke). Source: http://
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