Ignoramus28889 wrote:

Here are the pictures of the bad seal and the valve. Do the seals look
like common items?

http://igor.chudov.com/projects/Brid...eumatic-Valve/

i

If you can find a local place that sells pneumatic components you can
likely just bring the spool down and they can find you the correct
parts. If you want to replace the whole valve, McMaster seems to have
suitable replacements for $100.