Pneumadyne manufactures two styles of 3-way normally open valves with 1/4 push-in ports to fit your application and plumbing requirements.
The "0" Series valve, part number A0-31-6, features a swivel input port to accommodate the natural twist of polyurethane tubing.
Pneumadyne's "11" Series valves (part numbers start with A11) have a swivel output port as well as push-in ports to speed tubing installation.