From: Buzz (muttman@charter.net)
Date: Wed Jul 06 2005 - 09:52:28 PDT
Mark,
You've got things turned around. It's High Volume of air, Low Pressure of
Paint, that results in less over spray and blow back.
http://www.toolcenter.com/TURBINAIRE/understanding-hvlp.pdf
Buzz
On Wed, 6 Jul 2005 06:21:17 -0700 (PDT), you wrote:
>HVLP is High Volume Low Pressure. High volume of
>paint per low pressure of air, therefore you need less
>air for a HVLP. A 1/4" hose is still a little small
>though, especially for 40' long, but I think the 1/2"
>pipe should be plenty.
>
>Mark
>
>--- Buzz <muttman@charter.net> wrote:
>
>>
>> Steve,
>> I bought one of the De Vilbis HVLP guns and it
>> didn't perform as well as I
>> thought it should. One day I was talking to a
>> professional restorer and he
>> asked about my setup. I told him 1/2" copper pipe
>> to the garage door then 1/4"
>> hose the rest of the way to the spray area, about
>> 40' away. He told me that my
>> problem was that the HV stands for HIGH VOLUME and a
>> 1/4" hose isn't large
>> enough to pass a large volume of air. When he
>> paints he uses 15' of 3/8" hose
>> to a pressure pot that he wears on his waist, that
>> feeds his HVLP gun.
>> So I'm gonna over kill and use 1/2" hose out to the
>> spray area then "3/8 to the
>> gun from the regulator/filter..
>>
>> Buzz
>>
>>
>> On Tue, 5 Jul 2005 17:49:18 -0400, you wrote:
>> >
>> >I use to HATE painting with a spray gun.
>> >
>> >THEN.... I bought a gravity feed DeVibis (sp) gun
>> that uses a bag
>> >for the paint inside the top canister. It is a High
>> Volume, Low Pres
>> >unit (HVLP). I bought it new for $100 and now
>> painting is not too
>> >bad.... I have a regulator and water filter close
>> (within 8 ft) of the gun
>> >AND use different air fittings so that I can only
>> use the spray gun when
>> >connected to the regulator and filter.
>> >
>> >Not had a problem since with OD paint!
>> >
>> >
>> >Steve AKA Dr Deuce
>>
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>
>
>
>
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