Thank you so much for your comments on the varnish issue. It would be so grateful if you could provide more details on antisticking disc or coating for the valve to avoid this issue.
I agree with your solution to this problem is by providing clean air to valves. But this varnish problem arised...
The oil particles in compressed air from truck decomposed and forms varnish inside the solenoid valve assembly after certain period of operation of valve. Due to this pluger gets sticked to sleeve which fails the operation of valve. It would be highly appreciated if you could help me on...
