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CO2 Regulator delivery pressure... what is sufficient?

Discussion in 'CO2 Enrichment' started by tefsom85, Jan 1, 2016.

  1. tefsom85

    tefsom85 Lifetime Members
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    Sorry if this has been answered elsewhere, but I'm having trouble finding a definitive answer. I'm going to be putting together a new regulator and would like to know what the output delivery rating should be. I see folks that use 60psi, 100psi, and 200psi - mostly by browsing the FS items in trading post by the folks that I would consider the gurus. Is there a max and a min value that we should keep in mind when buying a regulator?
     
  2. Dennis Singh

    Dennis Singh SynKing!

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    Depends on what your using as your diffuser. I power a reactor and a atomizer, I have set over 45 psi, it was lower but things would slow or not be constant so I raised it. With a reactor you only need like 5 psi...
     
  3. tefsom85

    tefsom85 Lifetime Members
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    Currently, I'm pushing the CO2 into a NW power head, but would like to have the flexibility to power a reactor or other device at a later time if I change my mind. I think I'm actually more concerned about the high side. It seems I see a lot of regulators that are at 200 psi. If I were to buy one of these 'higher' pressure regulators, would I be able to dial it down sufficiently?
     
  4. Dennis Singh

    Dennis Singh SynKing!

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    Yeah you would, its as simple as turning a door knob.
     
  5. tefsom85

    tefsom85 Lifetime Members
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    I don't want to spam yet another thread, so I'll ask here. I found a couple of regs on ebay, new, that I can't find manuf info for. Does anyone here have experience or advice on either of these?


    Airgas E12-215D - two stage, brass nickel regulator - 100psi delivery


    Praxair Prostar Platinum High Purity PRSP5013 - two stage, brass nickel regulator - 150psi delivery?


    Assuming that I could change out the CGA to 320 and the post body items easy enough, but correct me if I'm wrong here.
     
  6. tefsom85

    tefsom85 Lifetime Members
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    I ended up buying the Prostar. According to the seller, he believes that the regulator is similar to a Praxair PRS-3012-150. I think this should be a decent reg.


    From the Praxair site:


    "REGULATOR 3012 HIGH PURITY CHROME 2 STG, 3000 PSI INLET, 0-150 PSI DELIVERY STAINLESS STEEL DIAPHRAGM, DIAPHRAGM VALVE, 1/4 inch MNPT"
     
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