<div dir="ltr"><div>So the 400-500 cc/min is for an entire GEM layer. But if you just wanted to do a single INFN GEM module the flow rate in that will be something like maybe 100-200 cc/min per module. So a low flow channel should be fine.</div><div><br></div><div>Zeke<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Oct 18, 2021 at 2:04 PM Anuruddha Rathnayake <<a href="mailto:adr4zs@virginia.edu">adr4zs@virginia.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">Hi Holly,<div dir="auto"><br></div><div dir="auto">I think you need a low flow channel.</div><div dir="auto">That's what we use for the back tracker modules (4 low flow channels).</div><div dir="auto"><br></div><div dir="auto">Best,</div><div dir="auto">Anu</div><div dir="auto"><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, 18 Oct 2021, 13:59 Marc Mcmullen, <<a href="mailto:mcmullen@jlab.org" target="_blank">mcmullen@jlab.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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So this is either an INFN or a new UVA large volume GEM. We will discuss the matter and update you with a plan.</div>
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Regards,</div>
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Marc<br>
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<div id="gmail-m_7953564323071653644m_792137167343662597divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" face="Calibri, sans-serif" color="#000000"><b>From:</b> Holly Szumila-Vance <<a href="mailto:hszumila@jlab.org" rel="noreferrer" target="_blank">hszumila@jlab.org</a>><br>
<b>Sent:</b> Monday, October 18, 2021 1:54 PM<br>
<b>To:</b> Marc Mcmullen <<a href="mailto:mcmullen@jlab.org" rel="noreferrer" target="_blank">mcmullen@jlab.org</a>>; <a href="mailto:dsg-halla_gem@jlab.org" rel="noreferrer" target="_blank">dsg-halla_gem@jlab.org</a> <<a href="mailto:dsg-halla_gem@jlab.org" rel="noreferrer" target="_blank">dsg-halla_gem@jlab.org</a>><br>
<b>Subject:</b> Re: Request for one more flow output on BB gas</font>
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<p>We need about 400-500 sccm. I think this is the hi flow?</p>
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<p><b><span style="font-size:12pt;color:black">From: </span>
</b><span style="font-size:12pt;color:black">Marc Mcmullen <<a href="mailto:mcmullen@jlab.org" rel="noreferrer" target="_blank">mcmullen@jlab.org</a>><br>
<b>Date: </b>Monday, October 18, 2021 at 1:51 PM<br>
<b>To: </b>Holly Szumila-Vance <<a href="mailto:hszumila@jlab.org" rel="noreferrer" target="_blank">hszumila@jlab.org</a>>, "<a href="mailto:dsg-halla_gem@jlab.org" rel="noreferrer" target="_blank">dsg-halla_gem@jlab.org</a>" <<a href="mailto:dsg-halla_gem@jlab.org" rel="noreferrer" target="_blank">dsg-halla_gem@jlab.org</a>><br>
<b>Subject: </b>Re: Request for one more flow output on BB gas</span></p>
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<p><span style="font-size:12pt;color:black">Hi Holly,</span></p>
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<p><span style="font-size:12pt;color:black"> </span></p>
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<p><span style="font-size:12pt;color:black">Which type of GEM channels is needed (High or Standard), I'll discuss this with the DSG manager and our gas system expert so we can determine what is needed to expand the 8 channels system.</span></p>
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<p><span style="font-size:12pt;color:black">Regards,</span></p>
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<p><span style="font-size:12pt;color:black">Marc</span></p>
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<p><b><span style="color:black">From:</span></b><span style="color:black"> Dsg-halla_gem <<a href="mailto:dsg-halla_gem-bounces@jlab.org" rel="noreferrer" target="_blank">dsg-halla_gem-bounces@jlab.org</a>> on behalf of Holly Szumila-Vance <<a href="mailto:hszumila@jlab.org" rel="noreferrer" target="_blank">hszumila@jlab.org</a>><br>
<b>Sent:</b> Monday, October 18, 2021 12:48 PM<br>
<b>To:</b> <a href="mailto:dsg-halla_gem@jlab.org" rel="noreferrer" target="_blank">dsg-halla_gem@jlab.org</a> <<a href="mailto:dsg-halla_gem@jlab.org" rel="noreferrer" target="_blank">dsg-halla_gem@jlab.org</a>><br>
<b>Subject:</b> [Dsg-halla_gem] Request for one more flow output on BB gas</span>
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<p><span style="font-size:11pt">Hi,</span></p>
<p><span style="font-size:11pt"> </span></p>
<p><span style="font-size:11pt">I’d like to request one more flow output channel on the BB gas side so that we could potentially hook up one GEM to its own gas line. Please let me know how and when this work could be done.
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<p><span style="font-size:11pt">Thanks,</span></p>
<p><span style="font-size:11pt">Holly</span></p>
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