Compressed air system (300 bar) for scuba club

[mechanicaldup]

Hello

I am busy with compressed air system for a scuba club to fill up the diving cylinders from a centre manifold connected to a compressor. What type of isolating valves is recommended on such systems?
Who supply such valves?
Where can I find design guideline on 300 bar compressed air systems?

 

[eric2718]

Swagelok and other knock off brands of Swagelok can easily go to 300 bar. Type in compression fittings or tube fittings at

http://www.mcmaster.com

 

[BigInch]

Oil and grease free would be nice. I don't like the taste myself although other divers seem to enjoy it for some reason.

http://virtualpipeline.spaces.msn.com