Compressor advice

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petar73

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May 9, 2016
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Hi there, I need advice about a compressor for spraying solid wood and mdf for my small workshop. The compressor I am considering is Atlas Copco AB40E270T, FAD:344 lit/min, 11 bar, 3 kw/4 hp, 270 lit, 112 kg, 79 db, 400/3/50. The compressor has aluminum pump .  I alredy bought devillbis gpi spray gun wiht 1.4 and 1.8 needles but I have zero experiance with spraying. The compressor will be used mostly for spraing in one man wood workshop. Any advice is most wellcome, thank you.
 
AC is probably not know for most people. They make some nice tools! From electronic torque screwdrivers to generators and compressors (and more). Some heavy duty (think
road work).

Can’t help you with painting. But it looks like a nice compressor!

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Hi, the compressor you have in mind seems to have more than adequate capacity.
344 l/min drives most air hungry tools, such as sanders and nut wrenches.
What can increase comfort and stable pressure (important for painting) is adding another slave vessel, or a larger vessel on conjunction with the compressor. That said, 270L vessel is quite good.
If you choose longer and larger diameter hoses as well, your stored reserve increases as well.
 
Thank you both. The compressor will be mostly for spraying and air guns. Thanks again.
 
Sounds like a good choice. Atlas Copco is one of the best german brands for compressors. With 344 L/min it should have enough capacity to run a spray gun also.
 
Alex said:
Sounds like a good choice. Atlas Copco is one of the best german brands for compressors. With 344 L/min it should have enough capacity to run a spray gun also.
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Swedish

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From the spec sheet it looks good. Doesn't look like its cheap junk either. Most good pumps are 2 stage cast iron, they don't say much other than its aluminum.  More than enough capacity for spraying large panels. The gun will be OK but has limited tip selection and wastes a lot of material because of its design. More a med range automotive gun. Make sure you get a good water separator/filter. Spraying is definitely a journey and a good constant air supply is a good start.
 
kcufstoidi said:
Make sure you get a good water separator/filter.
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One reasonably priced option is something like a Motor Guard M-40 filter. I call it the toilet paper filter, and have one mounted to my welding cart for the plasma cutter. They mount post water separator that doesn't work to get the final suspended particles. If running the compressor non stop a copper run up the wall, then Z it down the wall to cool the air before going into the first water separator is best, with drops that can be drained easily put at critical locations.

The hose used from the final filter to the gun needs to be dedicated to painting and not air tools. If using a blow gun, it must be dedicated to that hose only.
 
Thank you all for your help. I have placed the order, but it will be at least 10 days before delivery.
The pump is specified as aluminium two stage.  As far as the filters are concerned I have been offered atlas copco DD10+ and PD10+ filters but I haven’t decided yet as I need to do some research first (any good?).
I am open to any suggestions about reasonably priced good spray guns and filters. Thanks.
 
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