Pneumatic Valve, Normally Closed, 1/4 NPT Ports, This is the Pneumatic Valve Only, No fittings. If you need to replace a Pneumatic valve used for drains on the Dr. Oligo 48 or Biolytic 3900 or ABI 3900 this is the replacement valve. If your ABI 3900 instrument has the original Parker pneumatic valve that you want to replace with this pneumatic valve, you will need to purchase the valve assembly for the specific instrument and the specific location. The assembly comes with this pneumatic valve, a pilot valve, wire and fittings to use it in the specific location.

This valve is a valve only. It requires that you use the fittings, pilot solenoid and wire from your old valve.