[SEL] air lines in shop?

bill at antique-engines.com bill at antique-engines.com
Mon Nov 1 04:40:23 PDT 2010


Yes, my compressor is set to a cutoff of about 150 as well. It's a
single-stage 5 hp.
So I need to be safe to over 150 - I'd feel better with 180-200 psi range
just in case......

Bill


>
>
>  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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>
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