co2 filter leaking

[mike the moto]

Hi
I have been going through a lot of CO2, did some investigation and found that with a CO2 purifier in line, I lose CO2. I turned on the tank, pressurized the lines and turned off the tank. Over the course of a few hours the Hi gauge was at Zero, after quite a while the low gauge was dropping too. With the Shutoff valve after the regulator turned off, this didn't happen. So the problem was after the regulator. Found that if I removed the Purifier and all associated quick connects, everything is ok. I tried the Soap test but nothing. I am assuming that it is a very small leak at the quick connects. These are the brass micro matic quick connects that look like air fittings one would have on a compressor.

Has anyone had these leak before? I'm considering removing them from the purifier and getting some Parker threaded too barbed fittings and just using gear clamps.

Thanks
Mike

[mike the moto]

So I answered my own question. It is my opinion that quick connect type air fittings should not be used for this application, unless you have lots of CO2 and don't mind a very very small leakage.

Replaced the quick connect couplings with 3/8" barbed fittings and hooked both hoses direct to the filter. No more leaks. Pressure is remaining in system with main gas valve on tank turned off. Just makes it a pain to change the filter.

Mike

[cubby_swans]

or just ditch the co2 purifier. You don't need it, unless you're talking about a business in a state that has some stupid law mandating it.