<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Rick,</div><div id="AppleMailSignature">just looked at my 0-4 LPM paedeatric click style oxygen meter & it says </div><div id="AppleMailSignature">"maximum pressure not to exceed 2600 psi."</div><div id="AppleMailSignature">Alan<br><br>Sent from my iPad</div><div><br>On 14/03/2018, at 8:13 AM, Alan via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote type="cite"><div><meta http-equiv="content-type" content="text/html; charset=utf-8"><div>Rick,</div><div>as you say "above ambient" so at 350' depth you will have 130psi</div><div>coming out of the regulator plus another 175psi for the ambient depth.</div><div>EMT have this...<a href="https://www.emtmedicalco.com/GENTEC-OXYGEN-FLOWMETER-WITH-REGULATOR-0-15-LPM-CGA-870-OR-540-191M.htm">https://www.emtmedicalco.com/GENTEC-OXYGEN-FLOWMETER-WITH-REGULATOR-0-15-LPM-CGA-870-OR-540-191M.htm</a></div><div>I bought a pressure regulator for inside the hull to deal with that,</div><div>however the click style paediatric regulators they have take a high inlet pressure</div><div>although I can't see any literature on this at EMT.....</div><div><a href="https://www.emtmedicalco.com/PEDIATRIC-REGULATORS-0-4-LPM-CGA-870-8704.htm">https://www.emtmedicalco.com/PEDIATRIC-REGULATORS-0-4-LPM-CGA-870-8704.htm</a></div><div>Alan</div><div><br></div><div><br><div>Sent from my iPad</div></div><div><br>On 14/03/2018, at 6:53 AM, Rick Patton via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote type="cite"><div><div dir="ltr">Was looking into buying an 02 flow meter yesterday online and was told that the incoming pressure to the meter had a max incoming working pressure of 50 psi. My bottles will be on the outside and I have two 02 cleaned first stage regulators that will take them from HP to LP then into the sub.<div> I guess the average LP setting is around 150 psi + -above ambient? so I should be able to have a dive shop re set them down to 50 psi? What have others done that have the same scenario and wonder if there are flow meters that can take the 150 psi in?<div><br></div><div>Rick</div></div></div>
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