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Old 12-03-2013, 06:35 PM   #77 (permalink)
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Originally Posted by P-hack View Post
If you are bent on 3600 psi then why not use oil as a piston like I mentioned?
I am wondering if any of the ANG tanks are dual pressure compatible? I have seen it "mentioned" on one of the japanese manufacturers of ang tanks but they don't list any product numbers.

Reason being I would like the smaller size of ANG and lower pressure but also would like to be able to top off. I have never found a decent ANG tank domestically, I wonder if one exists like this?

If so I could stick to a relatively low pressure unit for home use (500psi) but have the tank capable of withstanding a quick fill from a local CNG fill station.

Ah well.
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