Razor Posted August 31, 2004 Share #1 Posted August 31, 2004 can I use a gravity fed spray gun on conventional air compressor like 2.5HP with 40ltr tank to spray paint acyrlic base paint?I heard most HVLP system uses gravity fed guns and I know you have to use a special compressor for it high CFMjust wondering if theres a version for conventional air compressorCheers! Link to comment https://www.classiczcars.com/topic/13077-spray-gun-question/ Share on other sites More sharing options...
EScanlon Posted August 31, 2004 Share #2 Posted August 31, 2004 AFAIK each type is specific to it's compressor, IOW you can't interchange them.Enrique Link to comment https://www.classiczcars.com/topic/13077-spray-gun-question/#findComment-93406 Share on other sites More sharing options...
Razor Posted August 31, 2004 Author Share #3 Posted August 31, 2004 whats AFAIK and IOW????i've read something about conventional air compressor using Gravity Fed Spray gunsand ive read on some books as well that you can mix and matchand also that you cantso very confuse which one is right Link to comment https://www.classiczcars.com/topic/13077-spray-gun-question/#findComment-93407 Share on other sites More sharing options...
EScanlon Posted September 1, 2004 Share #4 Posted September 1, 2004 ouch!As Far As I Know, each type is specific to it's compressor, In Other Words you can't interchange them.The High Volume Low Pressure gun counts on a LOT of air moving through the gun, into which the paint is metered into the air stream. I'm not sure on how the paint is atomized, but it is dependent on the VOLUME of air.A Low Volume High Pressure depends on the pressure behind the nozzle to venturi the paint out and to both propel and direct the shape of the fanned spray. Below a certain pressure, the gun will "spit" and really give you a bad case of "orange-peel" that will look more like "cantaloupe peel".The air source for an HVLP gun is basically a FAN that moves a LOT of air.The compressor for an LVHP is a standard air compressor.If I have any of this wrong, please post a correction.Enrique Link to comment https://www.classiczcars.com/topic/13077-spray-gun-question/#findComment-93444 Share on other sites More sharing options...
Corganx33 Posted September 1, 2004 Share #5 Posted September 1, 2004 http://www.lambolounge.com/Body/Paint/paint.aspgo there and read, a lot of good information. HP and PSI aren't as important as SCFM to an HVLP gun. Hows that for some acronyms Link to comment https://www.classiczcars.com/topic/13077-spray-gun-question/#findComment-93463 Share on other sites More sharing options...
Gophman Posted September 1, 2004 Share #6 Posted September 1, 2004 While I have never used a gravity fed gun, I believe it is more a function of how much air the compressor can put out, SCFM rather than what type of compressor it is.The HLVP gun will actually operate on less pressure than LVHP.My HVLP gun that I use to spray lacquer on furniture has the cup pressurized and runs about 25-35 lbs of air from the compressorJMHO Link to comment https://www.classiczcars.com/topic/13077-spray-gun-question/#findComment-93488 Share on other sites More sharing options...
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