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Will this compressor work for an HVLP sprayer ?

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Forum topic by indychip posted 06-23-2013 03:34 PM 776 views 0 times favorited 6 replies Add to Favorites Watch
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indychip

51 posts in 812 days


06-23-2013 03:34 PM

6 replies so far

View Lumber2Sawdust's profile

Lumber2Sawdust

136 posts in 1556 days


#1 posted 06-25-2013 03:26 PM

I have the same spray gun – I like it.

I think the best answer to your question is “It depends”. I have a 25 gallon belt-drive compressor and it does pretty well with the spray gun. A couple of days ago I had 7 sheets of birch plywood that needed poly. When spraying large pieces like that my compressor starts working a lot harder. Basically, I could spray 1 sheet, and the compressor would kick in about half way through. I could move that sheet off to the side and stage another one before the compressor recovered and shut off.

I believe my compressor is duty rated to be running about half the time so it isn’t designed to handle a load running continuously. I’m probably being conservative with it, but that is my thinking.

If you intend to spray large pieces, I don’t think your compressor is going to keep up. If you are wanting to spray smaller items, you can probably get by with it but the CFM rating on it is pretty low for running HVLP.

If you follow my path, I started with a less capable compressor but learned that I really liked spraying finishes to get great results. Eventually my wife thought it made sense to have a bigger compressor :)

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NiteWalker

2710 posts in 1268 days


#2 posted 06-25-2013 05:23 PM

That compressor is too small and would run way too often.
I used to have that woodriver gun; with my makita mac2400 (4.8cfm@40psi) it ran too much for my preference, even with small projects.

You’ll either have to get a smaller gun that uses ~3-4cfm@40psi, get a bigger compressor, or go for a turbine unit. I ran a compressor and detail gun setup for about a year, then recently bought a fuji mini-mite 4. I wish I had gone the turbine route from the beginning.

-- He who dies with the most tools... dies with the emptiest wallet.

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Earlextech

996 posts in 1381 days


#3 posted 06-25-2013 05:42 PM

Short answer – no.
Long answer – it will run constantly if your project is bigger than a box. If you do this often it will wear out the compressor.

-- Sam Hamory - The project is never finished until its "finished"!

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pintodeluxe

3451 posts in 1504 days


#4 posted 06-25-2013 05:45 PM

I was going to say, a box or small project is okay. Looks like Earlex had the same idea. My 20 gallon compressor runs almost nonstop with that spray gun.

I can recommend the gun though. It works well. Just add a regulator so you can monitor pressure at the gun, and you will be all set.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

View CharlesNeil's profile

CharlesNeil

1141 posts in 2561 days


#5 posted 06-25-2013 05:54 PM

NO , look at the CFM the gun requires and then look at what the compressor will accomodate.

The compressor WILL produce enough pressure, the issue is it cannon sustain it an that is super important,

View Shawn Masterson's profile

Shawn Masterson

1262 posts in 639 days


#6 posted 06-26-2013 12:06 AM

for spraying I would go no less than 30 gallons. What I found was a 30 was just a little less than a 60. ruralking (RK) is a good source of low cost compressors. personally I stay away from oil-less compressors. They are noisey and wear out fast with a heavy workload. even a cheap oil type will last 20+ years with proper maintenance. I had bought a 60 from RK, but 3 years after that I was given a two stage 60 from grampa and I have had it for 5 years , but grampa had it for 12. It still runs like new. I sold the 60 from RK to a friend and it is over 8 years old. It still runs and looks like new. I have heard all the arguments about space, but the fact unless you get a pancake a compressor will take the same footprint weather it is a 30, 60, or 80.

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