[TheForge] separate air systems or split system?

[Paul N]

Type M copper is not usually considered adequate for compressed air. You 
should use type 'L' or 'K'.

Here's one reference: 
http://www.engineeringtoolbox.com/astm-copper-tubes-d_779.html


**pn

terry l. ridder wrote:
> hello ries;
> 
> 
> On Thu, 14 May 2009, ries wrote:
> 
>> Terry, the way you do this is you put an oiler just ahead of the quick 
>> disconnects for your air tools, and you put additional water traps just ahead 
>> of your paint station.
>> So your entire air system is not oiled- just the air that goes to the tools.
>>
> 
> okay, that makes sense. understand now.
> 
>> You can buy cheapo filter/regulator/oiler assemblies, and place them at each 
>> air tool station- with 50 or 100 foot hoses, two or three of these should be 
>> plenty.
>>
> 
> i was thinking of four stations. one on each wall or corner. the
> compressors are going to have their own small room on the south facing
> porch of the new shed.
> 
>> You dont want oil in ALL your air- just when you are using air tools. You 
>> want oil free air for blowing things off, blasting, and painting.
>>
> 
> yes, very true. more oil-free uses than just spray painting.
> 
>> A really good place to look at piping setups is here-
>>
>> http://www.tptools.com/StaticText/airline-piping-diagram.pdf
>>
> 
> ries, thank you very much for the above pdf. that piping layout is just
> what i was looking for.
> 
>> TP tools sells compressors, sandblasters, and accessories to home and small 
>> shops.
>>
>> I used their piping layout when I built my shop, 14 years ago now, and it 
>> works great- you build in drains and valves at low spots, to manually drain 
>> water from the piping, and you add oilers at your disconnects for tools.
>>
> 
> ries, did you use black steel pipe in your air system?
> 
> i picked up a good amount of copper pipe and fittings at a bankruptcy
> auction. i have 30 10ft sections of 1/2 inch copper pipe of type m nsf
> 61. i have 40 10 ft sections of 3/4 inch copper pipe of type m. i would
> like to use the copper pipe for the air system. if type m copper pipe is
> too thin to use i would switch to plain black steel pipe. i would go
> with weld fitting instead of threaded. not as easy to change as threaded
> but easier to install.
> 
> the thought just occurred to me if pex which is used for radiant heating
> systems and for water systems in some locals would be usable for air.
> can pex take 175 psig?
> 
>>
>> ries
>>
>