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post #1 of (permalink) Old 05-17-2005, 11:27 PM Thread Starter
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4 CFM + 4 CFM = 8 CFM?

I have two air compressors, can I use plumb them together to run some more demanding tools? What would be the results?
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post #2 of (permalink) Old 05-17-2005, 11:41 PM
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Re: 4 CFM + 4 CFM = 8 CFM?

Should work.

Carefull where you plug them in, make sure they are on two seperate circuts in your garage... otherwise when they click on at the same time they'll take out the circut.
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post #3 of (permalink) Old 05-17-2005, 11:46 PM
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Re: 4 CFM + 4 CFM = 8 CFM?

Would guess that is possible... two compressors... two check valves plumbed up to a tank (or tanks).

But have no idea why that is a good idea for OBA. Seems a bit complicated.

At 4 CFM it's not a motor driven compressor is it?

Just one York with a two or three gallon tank... all done.

So what are you thinking about using?

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post #4 of (permalink) Old 05-18-2005, 01:12 AM
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Re: 4 CFM + 4 CFM = 8 CFM?

It will work. As noted above, use check valves for safety. If one compressor fails, it prevents the other from pumping into it.

And yes, use seperate circuits.

But the trick is...if you really want to use tools that have a short high demand, just install a bigger tank. I bought the Husky compressor setup from Home Depot...32 Gal tank...small compressor but it also included impact wrenches, spray guns, etc...for $300. Works just fine for the impact tools....and short durations of sand blasting...but you wouldn't want to run an air sander off it for long....the compressor will never be able to keep up.
post #5 of (permalink) Old 05-18-2005, 02:07 AM
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Re: 4 CFM + 4 CFM = 8 CFM?

Works fine! I've done it many times when I needed to use a higher demand tool than the compressor can do.
Just plug the secondary into the primary's tank. Don't need to Y the hoses or anything.
You don't even need check extra valves, shop air compressors already have them.
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