Okay, I've done a little homework, and I've narrowed my choices for a spray
gun down to HVLP conversion guns. (I already have a CH 5 hp oiless
compressor with a 26 gal tank; this should suffice for most conversion guns
unless I *really* missed something in my reading.)
I would like to keep the price below $150US. I've been looking at the
Wagner 0276124 here: http://store.yahoo.com/gleempaint/hvcongunnew.html.
It received a good review here: http://www.sawsndust.com/r-wagnerhvlp.htm
I've heard/read the DeVilbiss units are good, too.
Anyone have any good or bad experiences with HVLP conversion guns they can
share?
TIA for the replies,
Dave
it converts the high pressure to low pressure, high volume. that's why it's
called a conversion gun, John. it takes a lot of CFM. most small and cheap
compressors can't handle the CFM requirements for this to work properly. By the
time you spend your hard earned cash for the needed compressor, you coudda
bought a real HVLP setup.
dave
John Hewitt wrote:
> On Sun, 3 Aug 2003 10:03:10 -0400, "Mike G" <[email protected]>
> wrote:
>
> >For all practical purposes the difference between an HVLP turbine or
> >conversion system and a conventional gun off of a compressor is that the
> >HVLP, due to the low pressure shooting the material out, is more efficient
> >in it's use of sprayed materials. The low pressure produces a minimum of
> >bounce back and over spray resulting in a transfer rate of 85% + as opposed
> >to around 35% for a conventional gun. That also makes it a less messy
> >proposition.
> >
> >Nothing special is needed from the compressor for a conversion gun. The
> >conversion takes place in the gun. However, it takes a lot of air at high
> >pressure (a big, usually oil lubed, two stage, 3 HP + compressor) to run a
> >conversion gun properly. Figure on 10 CFM + at 90 PSI for a rough figure.
> >The requirements vary from gun maker to gun maker.
>
> Thank you for that, justy what I wanted, but,
>
> If it needs air at 90 psi, why's it called a Low Pressure gun?
> John Hewitt Malaga Spain
Please tell me...
What is the difference between an HVLP gun / system and the usual
spray gun?
How does an HVLP function on a shop compressor, special fittings,
reducers needed??
On Wed, 30 Jul 2003 11:55:02 -0500, leonard lopez <[email protected]>
wrote:
>I've got a Sharpe Cobalt gun that I use with a 3 hp compressor with a 20
>gallon tank. You need to stop occasionally to allow the compressor to
>catch up. but it works well and gives a good finish.
>
>Len
>--------------------------
>
>Dave wrote:
>
>>Okay, I've done a little homework, and I've narrowed my choices for a spray
>>gun down to HVLP conversion guns. (I already have a CH 5 hp oiless
>>compressor with a 26 gal tank; this should suffice for most conversion guns
>>unless I *really* missed something in my reading.)
>>
>>I would like to keep the price below $150US. I've been looking at the
>>Wagner 0276124 here: http://store.yahoo.com/gleempaint/hvcongunnew.html.
>>It received a good review here: http://www.sawsndust.com/r-wagnerhvlp.htm
>>
>>I've heard/read the DeVilbiss units are good, too.
>>
>>Anyone have any good or bad experiences with HVLP conversion guns they can
>>share?
>>
>>TIA for the replies,
>>
>>Dave
>>
>>
>
Email address omitted contra Spam.
John Hewitt, Malaga.
On Sun, 3 Aug 2003 10:03:10 -0400, "Mike G" <[email protected]>
wrote:
>For all practical purposes the difference between an HVLP turbine or
>conversion system and a conventional gun off of a compressor is that the
>HVLP, due to the low pressure shooting the material out, is more efficient
>in it's use of sprayed materials. The low pressure produces a minimum of
>bounce back and over spray resulting in a transfer rate of 85% + as opposed
>to around 35% for a conventional gun. That also makes it a less messy
>proposition.
>
>Nothing special is needed from the compressor for a conversion gun. The
>conversion takes place in the gun. However, it takes a lot of air at high
>pressure (a big, usually oil lubed, two stage, 3 HP + compressor) to run a
>conversion gun properly. Figure on 10 CFM + at 90 PSI for a rough figure.
>The requirements vary from gun maker to gun maker.
Thank you for that, justy what I wanted, but,
If it needs air at 90 psi, why's it called a Low Pressure gun?
John Hewitt Malaga Spain
Dave:
I've been having pretty good results with the Porter Cable PSH-1:
I've been shooting Hydrocote's Water-based Super-Lac and their sealer.
It runs around $100 (down to $80 if you shop)
Richard
"Dave" <[email protected]> wrote in message
news:[email protected]...
> Okay, I've done a little homework, and I've narrowed my choices for a
spray
> gun down to HVLP conversion guns. (I already have a CH 5 hp oiless
> compressor with a 26 gal tank; this should suffice for most conversion
guns
> unless I *really* missed something in my reading.)
>
> I would like to keep the price below $150US. I've been looking at the
> Wagner 0276124 here: http://store.yahoo.com/gleempaint/hvcongunnew.html.
> It received a good review here: http://www.sawsndust.com/r-wagnerhvlp.htm
>
> I've heard/read the DeVilbiss units are good, too.
>
> Anyone have any good or bad experiences with HVLP conversion guns they can
> share?
>
> TIA for the replies,
>
> Dave
For all practical purposes the difference between an HVLP turbine or
conversion system and a conventional gun off of a compressor is that the
HVLP, due to the low pressure shooting the material out, is more efficient
in it's use of sprayed materials. The low pressure produces a minimum of
bounce back and over spray resulting in a transfer rate of 85% + as opposed
to around 35% for a conventional gun. That also makes it a less messy
proposition.
Nothing special is needed from the compressor for a conversion gun. The
conversion takes place in the gun. However, it takes a lot of air at high
pressure (a big, usually oil lubed, two stage, 3 HP + compressor) to run a
conversion gun properly. Figure on 10 CFM + at 90 PSI for a rough figure.
The requirements vary from gun maker to gun maker.
--
Mike G.
Heirloom Woods
www.heirloom-woods.net
"John Hewitt" <[email protected]> wrote in message
news:[email protected]...
> Please tell me...
> What is the difference between an HVLP gun / system and the usual
> spray gun?
> How does an HVLP function on a shop compressor, special fittings,
> reducers needed??
>
The 90 PSI is just for the conversion gun and not a turbine system. That
figure is the compressor input to the gun. The output of the gun has to be
(to meet regulatory agencies requirements for HVLP) 10 PSI or less.
I've got no idea how the gun changes (converts, hence conversion gun) the 90
PSI 10+ CFM to HVLP but, to meet the legal requirements of HVLP, it does. If
pushed I would have to say that I suspect that that is the reason the gun
needs such a large compressor putting out such a high volume at such a high
pressure.
Note: those "legal requirements" are standards set by various national and
state environmental agencies that spray systems need to meet for the
purposes of rating their emission standards.
That help?
--
Mike G.
Heirloom Woods
www.heirloom-woods.net
"John Hewitt" <[email protected]> wrote in message
news:[email protected]...
> On Sun, 3 Aug 2003 10:03:10 -0400, "Mike G" <[email protected]>
> wrote:
>
> >For all practical purposes the difference between an HVLP turbine or
> >conversion system and a conventional gun off of a compressor is that the
> >HVLP, due to the low pressure shooting the material out, is more
efficient
> >in it's use of sprayed materials. The low pressure produces a minimum of
> >bounce back and over spray resulting in a transfer rate of 85% + as
opposed
> >to around 35% for a conventional gun. That also makes it a less messy
> >proposition.
> >
> >Nothing special is needed from the compressor for a conversion gun. The
> >conversion takes place in the gun. However, it takes a lot of air at high
> >pressure (a big, usually oil lubed, two stage, 3 HP + compressor) to run
a
> >conversion gun properly. Figure on 10 CFM + at 90 PSI for a rough figure.
> >The requirements vary from gun maker to gun maker.
>
> Thank you for that, justy what I wanted, but,
>
> If it needs air at 90 psi, why's it called a Low Pressure gun?
> John Hewitt Malaga Spain