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RE: [compost_tea] Oil less Pumps



Most diaphram pumps are oiless, Laura.  They have oil in the working, sliding and rotating bearings but the diaphragm  that is exposed to the air moving thru the pmp has no oil exposed to the air being moved.   All the pumps we use are oil less.  Bob 

laura_s@vaxxine.com wrote:
hmmm doesn't work from Canada

could someone more mechanical than me please explain about oil-less air  Excuse me Laura, I'm not mechanical. I'm human, like you.  Well, Not exactly like you......
compressors.
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