AVLAVCAA second stage relief keeps lifting

by BOB
(Blacksville wv.)

Gardner Denver air compressor

model--AVLAVCAA
These only have 1200 hrs on units. The reliefs keep popping around 225 pounds. They are set to shut down at 240 pounds. Any ideas?

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Nov 14, 2017
second stage relief
by: Doug in s.d.ca.

Are you talking about the interstage relief or at the HP output?

If interstage, that's probably as designed, and would indicate some issue with the HP cylinder not working.

What pressure is it set up for?

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