The 3-way pneumatic valve common failures and solutions

T a pneumatic valve, pneumatic valve is a common that it fails to do at work, let's look at its common malfunction and solution.

1, pneumatic valve stem thread rust

for normally open electric 3-way solenoid pneumatic valve, accidentally closed, the pneumatic valve stem thread has rust, loose off will occur. For this case, can switch over and over again a few times electric pneumatic valve, at the same time with a small hammer knock at the bottom of the pneumatic valve body, the electric pneumatic valve can be locked, don't need to make grinding electropneumatic valve repair.

2, there are impurities clogging the electric pneumatic valve sealing surface

sometimes suddenly closed lax electric pneumatic valve, may be there is impurity stuck between electric pneumatic valve sealing surface, not applied force forcibly closed at this time, should the electric pneumatic valve is slightly larger, and then he tried to shut down, try again and again, generally can be ruled out, otherwise should be checked, should maintain a medium quality and clean.

3, stainless steel tee pneumatic valve sealing surface destruction

to try many times switch still doesn't close tightly, the sealing surface has been damaged, should repair service; Or corrosion, medium grain drawing, such as damage the sealing surface, also should repair service.