I make my on burkert style Valve. This thing works fine. I think, that the buffer-ram-valve combo would be the next big step in pneumatic

http://album.roboteers.org/thumbnails.php?album=28http://album.roboteers.org/thumbnails.php?album=28

http://forum.roboteers.org/thread.php?threadid=3595&sid=ec16acf2502d2041e1e3b 674ea26ab1bhttp://forum.roboteers.org/thread.ph...2d2041e1e3b674 ea26ab1b