PRV valve pulsing

The aftercooler prv valve pulses air out while running. I think it may be a stuck valve.





Bill comments...

Howdy, and thanks for writing in.

If the PRV valve is pulsing, it's because it's venting pressure from your system. That is it's job.

What is the pressure in your system when the PRV pulses? I'm going to guess that it's above the normal cut out pressure, and that you may have a pressure switch malfunction.

Pull the ring on the PRV and open it manually, and then shut it again by pushing in. If it's pulsing, then I think it's working fine, and you have a problem elsewhere.

Bill

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