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Hi Kevin,
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<div class="">The CDA piping in our fab is Copper pipe:</div>
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Seamless copper tubing, ASTM-B88, Type-K, Type-L, or Type-M as indicated. Joints:<br class="">
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<div class=""><span class="Apple-tab-span" style="white-space:pre"></span>• High temperature soldered: Use 1,000 degF solder.</div>
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<div class="">No problems with contamination for our purposes.</div>
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<div class="">Best,</div>
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<div class="">Jim</div>
<div class="">NIST</div>
<div class="">Boulder Microfabrication Facility</div>
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<div class="">On Dec 7, 2022, at 2:45 PM, Denis, Kevin L. (GSFC-5530) <<a href="mailto:kevin.l.denis@nasa.gov" class="">kevin.l.denis@nasa.gov</a>> wrote:</div>
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Hello All,<o:p class=""></o:p></div>
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Has anyone used copper piping for clean dry air lines. If not what kind of problems would one run into if going this route? Thanks for any insight that can be provided.<o:p class=""></o:p></div>
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Regards,<br class="">
Kevin<o:p class=""></o:p></div>
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