<div dir="ltr"><div dir="ltr"><div><div class="gmail_default" style="font-family:arial,sans-serif">Travis,</div><div class="gmail_default" style="font-family:arial,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,sans-serif">Good morning.  Here at UofMichigan, we were using a pressure booster (see attached photo) for a nano-imprinter application where we needed 1500PSI N2.  This worked ok, and we used a cylinder as the storage tank so that we had some volume.  However after having to rebuild this pressure builder unit twice in the span of 12 months (bad seals), it became easier to just use a cylinder of N2 gas, and swap the cylinders out as needed.</div><div class="gmail_default" style="font-family:arial,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,sans-serif">Haskel makes some good stuff, when I was looking to do 15,000PSI Helium testing, but I've never actually worked with any of their equipment.</div><div class="gmail_default" style="font-family:arial,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,sans-serif">Thanks,</div><br clear="all"></div><div><div dir="ltr" class="gmail_signature"><div>Dennis<span class="gmail_default" style="font-family:arial,sans-serif"> Schweiger</span></div><div><span class="gmail_default" style="font-family:arial,sans-serif">University of Michigan/LNF</span></div><div><span class="gmail_default" style="font-family:arial,sans-serif">Facilities</span></div><div> </div><div>734.647.2055 Ofc<br></div></div></div><br></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Wed, Aug 6, 2025 at 11:40 AM Travis Venables <<a href="mailto:venables@seas.upenn.edu">venables@seas.upenn.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="ltr"><div>Hello everyone,</div><div><br></div><div>Here at QNF we have a need to bring our house N2 pressure (sitting at 100psi) up to 500-750psi for a Nanonex NX2600 Nanoimprint tool. We currently utilize a Maximator system which is controlled pneumatically with house CDA. We are having a lot of issues with o-rings drying up and needing regular regreasing which becomes labor intensive. I am curious what everyone uses for N2 pressure builders in their facilities. Thanks!</div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr">Travis Venables<div><br></div><div>Lead Cleanroom Equipment Engineer</div><div>Quattrone Nanofabrication Facility</div><div>University of Pennsylvania</div><div><a href="https://www.nano.upenn.edu" target="_blank">https://www.nano.upenn.edu</a></div><div>P: 215-898-1787</div><div><br></div><div><img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXe66pb_bj7n0vXky5r9uEf3y5sMz4yFV2HK-lOuGGMzj3VS6ybtG41AGZcUidgjZH61GUaGnR38EWIiqL3J-TsS9TxolLE--_h8K79Lk-dgYMHSjcBvHUy-zL7bWnKmfmJklE7i?key=OpK1PovMbdplDTzml6yQgugX" width="200" height="70"></div></div></div></div>
_______________________________________________<br>
labnetwork mailing list<br>
<a href="mailto:labnetwork@mtl.mit.edu" target="_blank">labnetwork@mtl.mit.edu</a><br>
<a href="https://mtl.mit.edu/mailman/listinfo.cgi/labnetwork" rel="noreferrer" target="_blank">https://mtl.mit.edu/mailman/listinfo.cgi/labnetwork</a><br>
</blockquote></div></div>