This listing is for one new 100-125 PSI piloted discharge check valve / unloader valve combo with a 1/2" JIC male flare fitting for the air inlet port.

21" control cable.

3/8" additional outlet adapter.

This check valve combo is made by Conrader in the U.S.A., It is an NS series valve.

This valve is usually used on compressors that pump less than 20 CFM, and can be used on gas or electric compressors.

 This valve is equipped with a in line check valve and attached to the side is a built in piloted unloader valve set 100-125 PSI.

This valve also has a muffler in the exhaust air port to quite down the unloaded exhaust air that is released once the compressor reaches 125 psi.

On the side of the valve it has an 1/8" female npt port, to control the throttle on a gas engine and/or unloader valves on some pumps.

For more information see specs below.

  • Unloader valve is set to kick in at 100 psi and release at 125 psi
  • Air Inlet: 1/2" JIC male flare fitting
  • Air outlet: 1/2" male npt and additional 3/8" male npt
  • 1/8" side unloader port, also includes 21" control cable
  • Exhaust port with muffler
  • This valve is set at 100-125 psi once your compressor pumps up to 125 psi the unloader valve will kick in and your compressor will pump air through the muffler out to atmosphere until your air tank pressure gets down to 100 psi then the unloader will shut and your compressor will pump back up for faster air recovery.

If you have any questions about this item please contact us at 818-787-4455