Astro Evo4014 - Help Needed Please - Hot Rod Forum : Hotrodders Bulletin Board
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  #1 (permalink)  
Old 10-12-2006, 10:08 PM
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Astro Evo4014 - Help Needed Please

I have this gun and am looking for a compressor for it. Do you look for a compressor's CFM @ 40 or 90 for this LVLP gun?

Here are my options:

Craftsman
6.4 CFM @ 90
No CFM @ 40 listed
26 Gallon
2 HP
Oil free
Accessory kit
$277

vs

HF
3.5 SCFM @ 90 PSI
8.8 SCFM @ 40 PSI
21 Gallon
3 HP
Oil lubricated
$150

vs

HF
5.6 SCFM@90
7.2 SCFM@40
8 Gallon
2.5 HP rated motor
Oil lubricated
$100

The last one has higher CFM @ 90, whereas the middle one has higher CFM @ 40. Which is more important for LVLP Astro Evo4014? Thanks.
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Old 10-13-2006, 05:56 AM
STUPID is as STUPID does...
 
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None of them... Too small, way to small! Your Evo is going to require almost 10cfm at 25psi operating pressure. None of those little compressors will be able to keep up. The problem with HVLP guns is they are cfm hungry. You really need a larger compressor to get full benefit of your HVLP guns.
I was running mine on a 5 hp/60 gal single stage and the compressor would run out of breath about halfway through a job. I stepped up to a 7.5 hp/80 gal 2 stage and the gun works like it is supposed to now...
Mark
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Old 10-13-2006, 07:12 PM
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Quote:
Originally Posted by astroracer
None of them... Too small, way to small! Your Evo is going to require almost 10cfm at 25psi operating pressure. None of those little compressors will be able to keep up. The problem with HVLP guns is they are cfm hungry. You really need a larger compressor to get full benefit of your HVLP guns.
I was running mine on a 5 hp/60 gal single stage and the compressor would run out of breath about halfway through a job. I stepped up to a 7.5 hp/80 gal 2 stage and the gun works like it is supposed to now...
Mark
I understood this gun to be LVLP?
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Old 10-16-2006, 04:14 PM
STUPID is as STUPID does...
 
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It is an LVLP, my bad, but that doesn't change the specs...

This is taken right off the Astro Spec page...
****************************************
Astro Pneumatic LVLP Spray Gun - EVO4014 - LVLP Gravity Feed Spray Gun

• LVLP Spray Gun with Patented cap nozzle design and use of lower volume of air finely atomizes paint creating a smooth finish with minimum overspray
• Stainless steel needle and fluid tip makes it suitable for water base products
• Decreased overspray creates cost savings over conventional spray guns

Specifications:
Nozzle Sizes: 1.4mm
Operation Pressure: 25psi
Gun Weight: 1.021lbs
Avg. Air Consumpt.: 9.6CFM (7.8@40)
Air Inlet Thread NPT: 1/4"
Recommended Compressor: 3hp
Max. Pattern at 8" Distance: 8.5" - 9"
Air Hose I.D. Size: 1/4"
Comes with .6 Liter Plastic Cup
10PSI operating pressure

Average air consumption @ 25psi is almost 10cfm. You will need a bigger compressor then the little ones you have listed... Like I said in my first post, I had to step up to a 2 stage to get enough wind to run my HVLP guns and your LVLP is the same cfm hog the HVLP's are...
Mark
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