<div align="center">COAXIAL VALVE
Provided By - <a href="http://www.geocities.com/spudgunsnh/">h ... gunsnh/</a>
This design has bead around for years and has been changed customised and what not. This is one of many coaxial piston valve designs that you could make. The piston has two ply wood disks that have 4 1/8" holes in them each.
<img src="http://www.spudfiles.com/official_pics/coaxvalve.JPG">
Provided By - <a href="http://www.geocities.com/spudgunsnh/">h ... /</a></div>
