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Re: Sand Blasting (almost LBC content)

To: "Chris Chandler" <barak@voyager.net>, "MG List" <mgs@autox.team.net>
Subject: Re: Sand Blasting (almost LBC content)
From: "Jeff Fayne" <fayne@attglobal.net>
Date: Fri, 1 Jun 2001 17:54:49 -0500
----- Original Message -----
From: "Chris Chandler" <barak@voyager.net>
To: "MG List" <mgs@autox.team.net>
Sent: Friday, June 01, 2001 4:30 PM
Subject: RE: Sand Blasting (almost LBC content)


> Bullwinkle wrote:
>
> >Jeff's suggestion does help, but if the media is damp it still
> >doesn't completely cure the problem.  You'll blast for 10-20
> >seconds until the loose media around the pickup is used up and
> >then it quits again.
>
> That's exactly what's happening.
>
> >To ensure dry air you need a water separator in the line.  These
> >do help, but they don't work on vapor, just the water mist.
>
> I've got one (I think...).  I inherited the rig from my father.  It's one
of
> those big stand-up ones (runs on 240).  It's got a little doohickey with a
> glass cup on the bottom of it that appears to have some liquid in it... I
> don't believe it's an oiler (although with my lack of knowledge on these
> things it could be I suppose...)
>
> [snip how-to build vapor condensor]
>
> Thanks for the ideas.  Gonna go home and try 'em now.
>
> Chris
>


I bought my cabinet from : www.tiptools.com.
They have some great tech tips pertaining to compressors and cabinets

http://www.tptools.com/statictext/tech_notes.asp?mscssid=1S5WC4GQAESR2NS300N
0SFRP64S672L7

and piping: http://www.tptools.com/statictext/piping_diagram.pdf  I did
essentially the same thing (risers, drain valves and separator/regulator) as
the diagram except I ran 10' sections to the peak of the roof and back
before entering the separator. This acts as a radiator and allows the hot
compressed air to cool and any moisture to condense. Piping hot moist air
into a separator limits it's efficiency.

If you don't want to go thru the expense of plumbing and installing a
separator, you can try one of those throw-away filters that screw in-line
(1/4NPT). They're mostly used for filtering out oil, but they may hold up
temporarily against water. I used these when I painted my car as a final
filter. I screwed a male quick connect into one end and a female on the
other and snapped it into my airhose and gun. If I recall they were about $3
or $4 dollars apiece at your local auto body supplier.

Moisture is your enemy...keep your powder dry  :)

Jeff
'70B

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