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  1. D

    Zelos Bottle valve Found. Huben !

    Thanks for the response. I've seen a few PCP reviews on YouTube, the reviewer fills above the OEM working pressure for the cylinder/bottle. Often it is only a few psi over with a handful running 100 - 200 psi over. I've ordered a 500cc CFB which is more than twice the volume of the Zelos...
  2. D

    Zelos Bottle valve Found. Huben !

    From various reviews and instructional videos on YouTube, I've seen a couple different approaches to the issue of Zelos bottle conversions. 1. It is OK to fill the new bottle up to its rated working pressure (e.g. 4500 psi) without an additional step down pressure regulator between the bottle...