What are the reasons why pneumatic control valves occasionally malfunction?

2017-01-21View Original

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What are the reasons why pneumatic control valves occasionally malfunction?

Reply #22017-01-21

Endless: Continuous in space and time: horizontal~. For thousands of miles. ~Gu, what does “fa gan” here mean?

Reply #32017-01-22

I don’t understand it – what does “fa gan” mean? Is there any shaking or sticking?

Reply #42017-01-23

Does it mean not smooth? The valve stem needs maintenance, right?:lol

Reply #52017-01-23

I thought it was some new phenomenon, but turns out no one could understand it; P

Reply #62017-07-17

Open the filler cap to add lubricating oil; if that doesn’t work, there might be a leak in the actuator or diaphragm head

Reply #72017-07-25

Is it the packing or the valve stem that’s stuck? It’s also possible that the inside of the valve is blocked due to impurities

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