Should a regulator be backed off when not in use?

by Rich
(Simpsonville SC)

Many years ago, in high school shop class, I was taught to back off the regulator when not in use. If I'm not going to use my compressor for a week or more besides turning off the power to the compressor, should I back off the regulator?

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Aug 09, 2015
backing off regulator
by: Doug in s.d.ca

I can think of (lame) safety reasons for it, especially with oxy-acetylene tanks, but not so much air.

If anything, seems it just makes for wear and tear.

I'd be fine being proved wrong - anyone?

Aug 09, 2015
Back off regulator when not used
by: Bill

Interesting question, Rich, thanks.

I guess the school of thought is, if the air pressure in the tank isn't varying, then the spring inside the regulator isn't moving, and maybe it will take a set?

I suppose it couldn't hurt, though I've a number of air compressors, and don't bother backing off the regulator between uses, and haven't (so far) had any regulator issues.

Bill

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