piston valve?

What is a piston valve and where i can get it ?

Kiteman6 years ago
The answer depends upon what kind of device you are asking about.

I suspect you are talking about "spud" type guns, in which case you have to make them.

Have a look at this example.

ARJOON6 years ago
just as kiteman said there are different kind of pistons , with various uses. you can find one in your car