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Paint air water separator

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carl.froehlich(at)verizon
Guest

Posted: Mon Aug 15, 2011 3:20 pm Post subject: Paint air water separator

For those of you doing your own painting, attached photo is a water separator that I find to work well.  When painting I add a few blocks of ice to the water.  In the photo the red hose is air in, the orange hose is air out.  The drain valve is connected at the bottom of the vertical PVC pipe.  The vertical pipe acts as a water collector.  



Carl

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bicyclop(at)pacbell.net
Guest

Posted: Mon Aug 15, 2011 4:06 pm Post subject: Paint air water separator

That's pretty cool, Carl. I have one caveat, though.       PVC has been known to explode and the shards aren't visible in       X-rays. I'd use copper for the riser.

       

       Pax,

       

       Ed Holyoke

     

     On 8/15/2011 4:18 PM, Carl Froehlich wrote:     [quote]                       <![endif]-->   <![endif]-->                

For those of             you doing your own painting, attached photo is a water             separator that I find to work well.  When painting I add a             few blocks of ice to the water.  In the photo the red hose             is air in, the orange hose is air out.  The drain valve is             connected at the bottom of the vertical PVC pipe.  The             vertical pipe acts as a water collector.  

             

             Carl       

     [b]

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JLuckey(at)pacbell.net
Guest

Posted: Mon Aug 15, 2011 4:14 pm Post subject: Paint air water separator

That’s pretty cool !    

   

It’s difficult to see in the picture but I assume that the condenser coil’s output intersects the vertical pipe a few inches from its bottom?  

   

Questions:  

     how      much water is collected after an hour of spraying?    
What      part of the country are you in?  
relative      humidity, temp/dew point spread?  
Any      idea what the pressure drop thru the device is?  (tank pressure vs      gun pressure?)  
How      many pounds of ice do you typically use & how long does it last at      what ambient temp?   

   

I know, waaaay too many questions.  

   

         

  

From: owner-rv-list-server(at)matronics.com [mailto:owner-rv-list-server(at)matronics.com] On Behalf Of Carl Froehlich

 Sent: Monday, August 15, 2011 16:18

 To: rv10-list(at)matronics.com; rv-list(at)matronics.com; rv8-list(at)matronics.com

 Subject: Paint air water separator  

  

   

For those of you doing your own painting, attached photo is a water separator that I find to work well.  When painting I add a few blocks of ice to the water.  In the photo the red hose is air in, the orange hose is air out.  The drain valve is connected at the bottom of the vertical PVC pipe.  The vertical pipe acts as a water collector.  

 

 Carl  

       [quote][b]

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carl.froehlich(at)verizon
Guest

Posted: Mon Aug 15, 2011 6:12 pm Post subject: Paint air water separator

Sorry – I did not bother to do performance measurements.

 

This is the fourth drain in my air system.  Before adding this to the first three I got water to the gun.  With it I don’t.  I shot primer today on the RV-10 cabin top and cowl in hot, humid Fredericksburg Virginia.



Carl

 

From: owner-rv-list-server(at)matronics.com [mailto:owner-rv-list-server(at)matronics.com] On Behalf Of Jeff Luckey

Sent: Monday, August 15, 2011 8:11 PM

To: rv-list(at)matronics.com

Subject: RE: Paint air water separator

 

That’s pretty cool !  

 

It’s difficult to see in the picture but I assume that the condenser coil’s output intersects the vertical pipe a few inches from its bottom?

 

Questions:

 how much water is collected after an hour of spraying?  
What part of the country are you in?
relative humidity, temp/dew point spread?
Any idea what the pressure drop thru the device is?  (tank pressure vs gun pressure?)
How many pounds of ice do you typically use & how long does it last at what ambient temp?

 

I know, waaaay too many questions.

 

 



From: owner-rv-list-server(at)matronics.com [mailto:owner-rv-list-server(at)matronics.com] On Behalf Of Carl Froehlich

Sent: Monday, August 15, 2011 16:18

To: rv10-list(at)matronics.com; rv-list(at)matronics.com; rv8-list(at)matronics.com

Subject: Paint air water separator



 

For those of you doing your own painting, attached photo is a water separator that I find to work well.  When painting I add a few blocks of ice to the water.  In the photo the red hose is air in, the orange hose is air out.  The drain valve is connected at the bottom of the vertical PVC pipe.  The vertical pipe acts as a water collector.  



Carl 	  Quote: 	
		   	
[/b][/quote]http://forums.matronics.com[/url]         - List Contribution Web generous nbsp;                        --> http://www.matronics.com/c=[/b] [/quote]

   [quote][b]

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rhdudley1(at)bellsouth.ne
Guest

Posted: Tue Aug 16, 2011 8:36 am Post subject: Paint air water separator

For what it's worth, another data point.

     

     I painted my RV-6A in July and August of 2004 in Florida where and     when the temperature and humidity, are always very high. Initially,     I worried about water in the air line and read of many solutions     that involved cooled coils in the air line. However, I avoided those     complications by using a filter at the gun and had no water     problems. I used conventional high pressure guns, a de Vilbiss     touch-up gun for small parts and a gravity feed gun (forgot the     brand name) for the large areas. My paint sequence was: wash primer     followed by epoxy primer, then color followed by clear. At no time     did I observe any water droplets. The painted result was excellent.

     

     If you look past the well used and messy spray gun, I've attached a     couple of pictures of my touch-up gun with the in-line filter (the     black thing below the pressure gauge).

     

     Best regards to all those brave souls who do their own         painting,

         

         Richard Dudley

         RV-6A

       

     On 8/15/2011 7:18 PM, Carl Froehlich wrote:      	  Quote: 	
		                         <![endif]-->   <![endif]-->                

For those of you doing your             own painting, attached photo is a water separator that I             find to work well.  When painting I add a few blocks of ice             to the water.  In the photo the red hose is air in, the             orange hose is air out.  The drain valve is connected at the             bottom of the vertical PVC pipe.  The vertical pipe acts as             a water collector.  

             

             Carl

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n223rv(at)wolflakeairport
Guest

Posted: Tue Aug 16, 2011 11:10 am Post subject: Paint air water separator

I used the same set up (black filter/ water trap) on my Devilbiss HVLP spray gun in 2002 when I painted my RV-4 with no water issues.  Had some issues before I installed the trap, but not after.  Now if they could develop a bug trap.......



Sent from my iPhone



On Aug 16, 2011, at 12:31 PM, Richard Dudley <rhdudley1(at)bellsouth.net (rhdudley1(at)bellsouth.net)> wrote:



[quote]     For what it's worth, another data point.

     

     I painted my RV-6A in July and August of 2004 in Florida where and     when the temperature and humidity, are always very high. Initially,     I worried about water in the air line and read of many solutions     that involved cooled coils in the air line. However, I avoided those     complications by using a filter at the gun and had no water     problems. I used conventional high pressure guns, a de Vilbiss     touch-up gun for small parts and a gravity feed gun (forgot the     brand name) for the large areas. My paint sequence was: wash primer     followed by epoxy primer, then color followed by clear. At no time     did I observe any water droplets. The painted result was excellent.

     

     If you look past the well used and messy spray gun, I've attached a     couple of pictures of my touch-up gun with the in-line filter (the     black thing below the pressure gauge).

     

     Best regards to all those brave souls who do their own         painting,

         

         Richard Dudley

         RV-6A

       

     On 8/15/2011 7:18 PM, Carl Froehlich wrote:      	  Quote: 	
		                         <![endif]-->   <![endif]-->                

For those of you doing your             own painting, attached photo is a water separator that I             find to work well.  When painting I add a few blocks of ice             to the water.  In the photo the red hose is air in, the             orange hose is air out.  The drain valve is connected at the             bottom of the vertical PVC pipe.  The vertical pipe acts as             a water collector.  

             

             Carl       

     	
     

     

     

<DSCN0106A.jpg>

<DSCN0107A.jpg>

[b]

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