[SEL] air lines in shop?

[frank skinner]

 For what its worth;
I Piped a shop where I was Port Engineer, at the very least,
25+ years ago with PVC. What I used was the hot water,
Schedule 80 , 1" pipe.  All joints were properlly cleaned, 
glued, let stand for several days prior to use.
All lines were well up on the walls, with drop pipes & traps
to drain off water, all pipes were well supported.
The Compressor cut off setting was 150 PSI.
 
This system is still in use daily with no leaks & never a problem.
 
And it seemed that the plastic produced less water in the air than
metal piping.
 
I seem to remember asking the supplier what to use for the App.
and the Hot Water Sch. 80 PVC was recommended {Then}.
 
{ Just my experience}

 
                  Best Regards
             
           Franklin S. Skinner 
      Marine Surveyor & Consultant 
3428 Talon Court Wilmington NC 28409 
       34'10.9 North 74'52.4 West 
PH 910-791-8870  Cell 910-612-7470





 
> From: plowe at exemail.com.au
> To: sel at lists.stationary-engine.com
> Date: Mon, 1 Nov 2010 20:27:42 +1100
> Subject: [SEL] air lines in shop?
> 
> There are typical designs for shop air supplies, depends how technical you 
> want to go.
> http://www.ch601.org/tools/Neil/pipe-layout-1.pdf
> If it is for blow down only then straight compressed air is fine, if you 
> want to paint and need dry air then you need good filters and water traps. 
> If you are really rich you can add a refrigerant dryer.
> It can get very humid where I live and that can be a problem when spray 
> painting, I use an automatic blow-down water trap that sometimes works 
> overtime.
> 
> I have used polyurethane tubing for over 30 years in heavy industry in 
> Industrial Instrumentation and have run 1000's of kilometres of the stuff, 
> never had a blow-out using the black UV stabilized stuff. The coloured and 
> clear does not like the sun too much. Polyurethane good for 115 psi or if 
> you want higher pressures go to Nylon for 225 psi, but it is not as 
> flexible.
> I use SMC Pneumatics, an international company.
> SMC use "One Touch" Fittings, look here and at the left hand menu:
> http://www.smcpneumatics.com/products/fittings/instantfittings/index.php
> 
> I am an Electgrical contractor and Industrial Instrument Technician (Flow, 
> Pressure, Level and Temp controls), the latter has been my main trade for 
> over 30 years. I would not be bothered cutting and screwing gal or black 
> pipe or even copper when this tubing is available. I would say used in all 
> industries in Australia.
> My $0.02 worth and experience.
> 
> Regards
> Peter Lowe
> R&V Engine Registrar
> Australia
> http://www.oldengine.org/members/plowe/rv-engines/rvpage.htm
> Skype name: ozengines
> 
> 
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