<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:10pt"><div class="" style=""><span class="" style="">Cliff,</span></div><div style="color: rgb(0, 0, 0); font-size: 13.333333969116211px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;" class=""><span class="" style="">another factor in the equation is the grade of C02 absorbent.</span></div><div style="color: rgb(0, 0, 0); font-size: 13.333333969116211px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;" class=""><span class="" style="">Here is an article by Molecular products warning rebreather divers not to use medical grade absorbant.</span></div><div style="background-color: transparent;" class=""><span
class="" style=""><a href="http://www.molecularproducts.com/pdf/Use%20of%20medical%20grade%20Sofnolime%20in%20Diving%20Applications%20Jan%202010.pdf" class="" style="">http://www.molecularproducts.com/pdf/Use%20of%20medical%20grade%20Sofnolime%20in%20Diving%20Applications%20Jan%202010.pdf</a><br class="" style=""></span></div><div style="color: rgb(0, 0, 0); font-size: 13.333333969116211px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;" class="">Molecular products who manufacture sofnolime, have a computer program for calculating the amount of flow you need to maintain</div><div style="color: rgb(0, 0, 0); font-size: 13.333333969116211px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;" class="">C02 within certain levels, based on the internal volume of your
hull. </div><div class="" style="">I contacted them ages ago with questions about their product & they seemed to enjoy using their computer & doing the calculations.</div><div class="" style=""><a href="http://www.molecularproducts.com/us/" class="" style="">http://www.molecularproducts.com/us/</a><br class="" style=""></div><div class="" style="color: rgb(0, 0, 0); font-size: 13.333333969116211px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;">My link recently to EMT medical didn't work ( hate copying links on my Ipad) so here it is again.</div><div class="" style="background-color: transparent;"><a href="http://www.emtmedicalco.com/REGULATORS-FLOWMETERS-FITTINGS_c63.htm" class="">http://www.emtmedicalco.com/REGULATORS-FLOWMETERS-FITTINGS_c63.htm</a><br></div><div class="" style=""> Are you taking the R300 up to Bellingham
Cliff?</div><div class="" style="">Alan</div> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 10pt;" class=""> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12pt;" class=""> <div dir="ltr" class="" style=""> <hr size="1" class="" style=""> <font size="2" face="Arial" class="" style=""> <b class="" style=""><span style="font-weight:bold;" class="">From:</span></b> Cliff Redus via Personal_Submersibles <personal_submersibles@psubs.org><br class="" style=""> <b class="" style=""><span style="font-weight: bold;" class="">To:</span></b> Personal Submersibles General Discussion <personal_submersibles@psubs.org> <br class="" style=""> <b class="" style=""><span style="font-weight: bold;" class="">Sent:</span></b> Friday, July 18, 2014 8:58 AM<br class="" style=""> <b class="" style=""><span style="font-weight: bold;"
class="">Subject:</span></b> Re: [PSUBS-MAILIST] O2 regulator<br class="" style=""> </font> </div> <div class="" style=""><br class="" style=""><div id="yiv8474860508" class="" style=""><div class="" style=""><div style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt;" class=""><div class="" style=""><span class="" style="">Slow but not to slow. You need to be able to pull the cabin volume through the scrubber in a reasonable amount of time. I would look for another squirrel cage blower but a smaller new one that is quite. The issue with a large blower is that it can pull to much current. ABS requires that the life support system has to function for 72 hours on the emergency battery bank only. If the current is to high, you end up with good scrubbing but don't have the battery capacity to last the 72 hours. If
the blower is to small, you solve the current problem but you can't meet the 5000 ppm concentration constraint.</span></div><div style="color:rgb(0, 0, 0);font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;font-style:normal;background-color:transparent;" class=""><span class="" style=""><br clear="none" class="" style=""></span></div><div style="color:rgb(0, 0, 0);font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;font-style:normal;background-color:transparent;" class=""><span class="" style=""><br clear="none" class="" style=""></span></div><div class="" style=""></div><div class="" style=""> </div><div class="" style="">Cliff</div> <div class="" style=""><br clear="none" class="" style=""><br clear="none" class="" style=""></div><div class="" style="display:block;"> <div style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida
Grande, sans-serif;font-size:12pt;" class=""> <div style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt;" class=""> <div class="" id="yiv8474860508yqt61779" style=""><div dir="ltr" class="" style=""> <font face="Arial" size="2" class="" style=""> On Thursday, July 17, 2014 3:44 PM, hank pronk via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br clear="none" class="" style=""> </font> </div> <br clear="none" class="" style=""><br clear="none" class="" style=""> <div class="" style=""><div id="yiv8474860508" class="" style=""><div class="" style=""><div style="color:rgb(0, 0, 0);font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt;background-color:rgb(255, 255, 255);" class=""><div class="" style=""><span class="" style="">Cliff,</span></div><div style="color:rgb(0, 0, 0);font-family:HelveticaNeue, Helvetica Neue, Helvetica,
Arial, Lucida Grande, sans-serif;font-size:16px;font-style:normal;background-color:transparent;" class=""><span class="" style="">thanks' got it. Just for interest, Gamma's original scrubber has a hug squirrel cage fan, like from a car heater. The only problem is it is very noisy. I was under the impression the air had to move slowly through the absorbent.</span></div><div style="color:rgb(0, 0, 0);font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;font-style:normal;background-color:transparent;" class=""><span class="" style="">Hank</span></div> <div class="" style=""><br clear="none" class="" style=""><br clear="none" class="" style=""></div><div class="" style="display:block;"> <div style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt;" class=""> <div style="font-family:HelveticaNeue, Helvetica Neue, Helvetica,
Arial, Lucida Grande, sans-serif;font-size:12pt;" class=""> <div class="" id="yiv8474860508yqt68454" style=""><div dir="ltr" class="" style=""> <font face="Arial" size="2" class="" style=""> On Thursday, July 17, 2014 4:04:55 PM, Cliff Redus via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br clear="none" class="" style=""> </font> </div> <br clear="none" class="" style=""><br clear="none" class="" style=""> <div class="" style=""><div id="yiv8474860508" class="" style=""><div class="" style=""><div style="color:rgb(0, 0, 0);font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt;background-color:rgb(255, 255, 255);" class=""><div class="" style=""><span class="" style="">If you think of the filter as a cylinder, for an axial flow filter, the flow of the air
through the filter is along the axis of the cylinder. Flow comes in one end and out the other. For radial flow filter, the flow radiates out
perpendicular to the axis of the cylinder and there is a hollow inner space. The inlet or exit is connected to this inner space. </span></div><div style="color:rgb(0, 0, 0);font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;font-style:normal;background-color:transparent;" class=""><span class="" style=""><br clear="none" class="" style=""></span></div><div style="color:rgb(0, 0, 0);font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;font-style:normal;background-color:transparent;" class=""><span class="" style="">See picture</span></div><div style="color:rgb(0, 0, 0);font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;font-style:normal;background-color:transparent;" class=""><span class="" style=""><a rel="nofollow" shape="rect" target="_blank" href="http://www.kleenwater.com/page.html?id=31"
class="" style="">http://www.kleenwater.com/page.html?id=31</a></span></div><div style="color:rgb(0, 0, 0);font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;font-style:normal;background-color:transparent;" class=""><span class="" style=""><br clear="none" class="" style=""></span></div><div style="color:rgb(0, 0, 0);font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;font-style:normal;background-color:transparent;" class=""><span class="" style="">Weak fans are a problem for scrubbers from my experience. One other point, I found that box style blower was better than axial fan as then push less flow but can generate higher
head which is needed to push the air through the absorbent.</span></div><div style="color:rgb(0, 0, 0);font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;font-style:normal;background-color:transparent;" class=""><span class="" style=""><br clear="none" class="" style=""></span></div><div style="color:rgb(0, 0, 0);font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;font-style:normal;background-color:transparent;" class=""><span class="" style="">Cliff</span></div> <div class="" style=""><br clear="none" class="" style=""><br clear="none" class="" style=""></div><div class="" style="display:block;"> <div style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt;" class=""> <div style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt;" class=""> <div
class="" id="yiv8474860508yqt56156" style=""><div dir="ltr" class="" style=""> <font face="Arial" size="2" class="" style=""> On Thursday, July 17, 2014 2:40 PM, Alan via Personal_Submersibles
<personal_submersibles@psubs.org> wrote:<br clear="none" class="" style=""> </font> </div> <br clear="none" class="" style=""><br clear="none" class="" style=""> <div class="" style=""><div id="yiv8474860508" class="" style=""><div class="" style=""><div class="" style="">Hi Hank,</div><div class="" style="">I've pasted this one before.</div><div class="" style=""><span class="" style=""><a rel="nofollow" shape="rect" target="_blank" href="http://emtmedicalco.com/REGULATORS-http://m.youtube.com/watch?v=kLtTOmvTqrk-FITTINGS_c63.htm" class="" style="">emtmedicalco.com/REGULATORS-http://m.youtube.com/watch?v=kLtTOmvTqrk-FITTINGS_c63.htm</a></span></div><div class="" style=""><span class="" style="">They are in the North West. They have a great selection of oxygen equipment, tanks &</span></div><div class="" style=""><span class="" style="">fittings on their site.</span></div><div class="" style=""><span class="" style="">Alan</span></div><div
class="" style=""><span class="" style=""><br clear="none" class="" style=""></span><br clear="none" class="" style=""><span class="" style="">Sent from my iPad</span></div><div id="yiv8474860508yqt40189" class="" style=""><div class="" style=""><br clear="none" class="" style="">On 17/07/2014, at 7:55 am, hank pronk via Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org" target="_blank" href="mailto:personal_submersibles@psubs.org" class="" style="">personal_submersibles@psubs.org</a>> wrote:<br clear="none" class="" style=""><br clear="none" class="" style=""></div><blockquote type="cite" class="" style=""><div class="" style=""><div style="color:rgb(0, 0, 0);font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt;background-color:rgb(255, 255, 255);" class=""><div class="" style="">Hi All,</div><div class="" style="">I need to find a pediatric flow
meter and regulator for Gamma. Or is there something better?</div><div class="" style="">Hank</div></div></div></blockquote></div><blockquote type="cite" class="" style=""><div class="" style=""><span class="" style="">_______________________________________________</span><br clear="none" class="" style=""><span class="" style="">Personal_Submersibles mailing list</span><br clear="none" class="" style=""><span class="" style=""><a rel="nofollow" shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" target="_blank" href="mailto:Personal_Submersibles@psubs.org" class="" style="">Personal_Submersibles@psubs.org</a></span><br clear="none" class="" style=""><span class="" style=""><a rel="nofollow" shape="rect" target="_blank" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" class="" style="">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a></span><br clear="none" class=""
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