Soft-sealing gate valve leakage is a very headache thing, after the light valve factory many times of experiment and research, finally found the principle and processing method as long as according to the treatment method of operation of valve factory give almost can solve the problem of soft-sealing gate valve leakage. Soft-sealing gate valve leakage problems as follows 1. Solenoid valve on the cylinder gas leakage, may be due to the pressure reducing valve in the air pressure is too high. 2. Cylinder vent leakage, this is because the two moving parts inside the cylinder and cylinder seal ring appeared aging phenomenon. 3. The top and bottom of the cylinder gas leakage, it is because of the actuators and cylinder seal ring due to its frequent activities of the actuator without sealing effect. 4. Besides the above three kinds of circumstances, there is another kind of circumstance may also make the cylinder gas leakage, the spring in the cylinder is damaged, due to strength to not reach the designated position, it may also be caused by inadequate. The above four soft-sealing gate valve leak problem can be solved through the following ways to 1. Replace the sealing ring of the actuator. 2. Replace the cylinder seals. 3. The pressure of the relief valve adjusting for 3 - 5 kg, or is the lower part of solenoid valve open ventilation action a few times, sometimes may also replace the solenoid valve. 4. Replace the cylinder in the spring. Remind: to own soft-sealing gate valve leakage based on the actual situation to deal with the problem, so as to avoid secondary in question. Soft non-rising stem seal gate valves product figure

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