Reply by cracknpop

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Posted on Air compressor filter / water separator recommendations?

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295 posts in 2377 days

#1 posted 06-01-2012 04:49 PM

In the humid Midwest, water in the air compressor can become a much bigger problem when spraying a finish. Drawing from my experiences growing up in an auto body shop… I regularly drain the tank on my compressor (easier to wipe water from the floor than sanding it out of the finish coat).

I also have a 30’ air hose connected to an air filter similar to this one (|1&pl=1&currentURL=%2Fpl_Air%2BTool%2BAccessories_4294813345_4294937087_%3FNs%3Dp_product_qty_sales_dollar%7C1&facetInfo= ) that I will plug into the 50’ air hose attached to my compressor. Mount the air filter higher than your compressor if possible (harder for water to flow up hill). I only use this hose and filter for spraying.

While trying to finish a large project when the humidity was particularly high, I coiled the hose from the compressor to the air filter into a cooler packed with ice to help condense any moisture in the air line before it reaches filter. May be a little overkill BUT… I have NO water in my spray finishes.

If this set up ever starts to fail, I have another filter canister that holds a whole roll of toilet paper to catch any moisture in the air line… but for now, the toilet paper stays in the bathroom.

Hope this helps.

-- Rick - I know I am not perfect, but I will keep pressing on toward the goal of becoming all I am called to be.

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