Pneumatic system basic calculations 3

[Tuman_1232]

Hello everyone,
In my next project I need to design pneumatic supply system for a pneumatic device.
It is my first time that I design something like this.
Basically what I need is a guideline to perform first sizing (tube diameters, pressure falls, mass and volume flow rates).
I tried to recall my university thermodynamics course but it doesn't seems like something useful in this case.
The pneumatic supply system has:
[ul]
[li]compressor[/li]
[li]two pressure lines with 200 [bar] and 30[bar][/li]
[li]air tanks[/li]
[li]pressure reduction valve[/li]
[li]tubes (up to 30 meters length)[/li]
[li]2/2 valves[/li]
[/ul]

I will be very appreciate, if someone can say which handbook or standard I can use for this purpose.
Thank you in advance)))

 

[hydtools]

Look for the CAGI Handbook. Compressed Air and Gas Institute.

https://www.cagi.org/pdfs/nonmbrpubr.pdf

Or look to PneuRoP

https://www.pneurop.eu/index.php

Ted

 

[EdStainless]

Getting the right amount of air at the right pressure is only part of this problem.
How clean and dry does the air need to be? Often clean dry air will pay for itself in reduced future maintenance.
What is the 'normal' way that these people install air lines?
Some people still use threaded iron pipe. They live with the internal rust/debris and the leaks that are not preventable with threads.
On the other hand it has become common to use stainless steel (thin wall pipe) with a crimp system (Victaulic PressFit or Viega MegaPress) for clean systems.

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P.E. Metallurgy, consulting work welcomed

 

[MJCronin]

For general information this might help ...

https://www.cedengineering.com/userfiles/Compressors and Compressed Air Systems.pdf

At 200 bar, (~ 2900 psig) you are into high pressure piping/vessel design .... some systems can be explosive and very dangerous.

The following document discusses special considerations for high pressure air systems:

http://www.navybmr.com/study material/14259a/14259A_ch7.pdf

MJCronin
Sr. Process Engineer