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Compressed Air Regulator Problem


(Ohio)

We are replacing our air regulator every 30 to 60 days.

It starts out running properly at 20 to 25 psi, but we have to keep constantly increasing the pressure to get the same results.

Could you tell us what could be causing the regulators to fail?

Comments for
Compressed Air Regulator Problem

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Feb 29, 2008
Failing air regulators
by: Bill - Publisher

Howdy Ohio:

Could be a number of things creating problems with your regulators.

Have you got a filter upstream of your regulator? If so, what is it catching?

If your compressor is a reciprocating oil lubricated compressor and it's got a few years on it, there might be quite a bit of compressor oil getting past the piston rings and into the compressed air. Compressor oil is a real problem for buna diaphragms, causing them to swell and harden, depending on the type of oil and length of exposure.

If you've got a lot of compressor oil getting into your air mains, that oil may be negatively affecting your regulator diaphragms, and might be part of the problem.

A regulator, although easily and fairly inexpensively obtained, really provides a sophisticated process to control downstream pressure, and they don't like to be dirtied or oiled up from compressor generated dirt or oil.

You also don't indicate over what period of time the failure takes place.

Check here for compressor water & byproducts to see if this information helps.

If not, can you provide more information? I'm sure one of our other readers has had similar problems and has solved their problem.

Thanks,

Bill

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