Thread: Walther venting
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Old 5th May 2014, 01:53 PM
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Scooby Scooby is offline
Pete Dutton
Join Date: Nov 2008
Location: Rotherham
Posts: 2,646

Originally Posted by hmangphilly View Post
just done a leakdown test on mine and at 100 psi the leakage past the valve stem is 2-3% according to my guage.
you can feel and really hear the air leaking out so I'm thinking most of that leaked air is coming down the valve stem.

now how to control that......
How did you carry out the test as if your figures scale up you'd be talking approx 35psi getting past the firing valve stem, I can barely feel any air coming from my dryfire switch
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