Professional Industrial Valves Manufacturer

Pneumatic ball valve actuator failure reason and solution

by:Mech     2020-08-28
Is one of the ball valves, pneumatic ball valve is a pneumatic actuators, ball valves, together, by the pneumatic actuator control Industrial Valves rod drives the ball rotated 90 degrees the switch. Widely used in petroleum refining, long pipeline, chemical industry, paper making, pharmacy, water conservancy, electric power, municipal, industries such as steel, holds the pivotal status in the national economy. Solenoid valve on the cylinder gas leakage, may be due to the pressure reducing valve in the air pressure is too high. Cylinder vent leakage, this is because the two moving parts inside the cylinder and cylinder seal ring appeared aging phenomenon. 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. 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. When solving the problem of cylinder gas leakage must be in according to the actual situation, such as the gas Industrial Valves is open, closed or gas. To open the valve of gas, the first thing we can close the valve on both ends of the hand, and then let the control of the valve is opened, the first joint of the connection piece apart, then air cut off, put off the pressure reducing valve of the gas at this time, attention will turn the actuator 90 ℃ at this moment, in good after it is important to note that will move back to the original position of the actuator. Replace the sealing ring of the actuator. Replace the cylinder seals. 3. The pressure of the relief valve adjusting for 3 - 5 kg, or is the lower part of solenoid Industrial Valves open ventilation action a few times, sometimes may also replace the solenoid valve. 4. Replace the cylinder in the spring.
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