vintage pelton air compressor

by bernie
(Massachuetts)

I have a vintage pelton air compressor. made in detroit. horizontal tank 10" dia 19" long. single stage powered by 1/4 hp ge motor the square d pressure switch in rated 20 psi on and 40 psi off.


can i replace the pressure switch with a higher rated (psi) one?

does anyone know anything about this unit?

thanks

bernie

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Bill says...

Bernie, you can replace the pressure switch with any one you want. You may, however, create a dangerous situation in so doing, particularly if the switch on it now is the factory one, with the factory settings.

Your Pelton may have, in it's original life, been built as a dental compressor.

Pelton is still around, so why not inquire of them too?

www.pelton.net

Cheers,

Bill


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hai this is babu i have an issue with our compressor, the cut -in problem

by choudary
(qatar)

i am facing the cut-in problem with our compressor, the cut-off is perfect but cutting-in is not stable. initially it is ok for 3 to 4 hrs but afterwards the compressor is cutting -in at 6.5 bar switch is calibrated no problem with the switch please give me the solution for this

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Bill says...

Hello choudary. As far as I am concerned, if your cut in pressure level is fluctuating, it is the pressure switch that is the problem.

It may be calibrated alright, but it might also be failing, which would account for the variation in the cut in pressure levels.

Cheers,

Bill

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Blown plastic line to pressure switch

by Robert Butler
(Mesa, Az.)

The plastic line from the tank to the bottom of the pressure switch, or pop off valve, continually blows a hole in it. How do I stop this?

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Bill says...

Robert, from what you have written I suspect that the line is getting close to a heat source on the compressor, weakening the plastic.

I would change the line to copper tubing available from the plumbing store.

Cheers,

Bill

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