[labnetwork] CDA and copper piping

[Iulian Codreanu]

Hi,

I have not experienced any issues with my low dewpoint CDA system.

Iulian

iulian Codreanu, Ph.D.
Director, Nanofabrication Facility
University of Delaware
Harker ISE Lab, Room 163
221 Academy Street
Newark, DE 19716
302-831-2784
http://udnf.udel.edu

On 12/8/2022 1:15 PM, Michael Yakimov wrote:
>
> And while we’re at this… Any comments on oil in CDA? My understanding 
> is that many actuators need some oil to keep seals actually sealing. 
>  I had to get a few drops into system inlet of our big machine to keep 
> it happy. Flip side of it is, apparently, that some oil may get into 
> the air.
>
> Maybe my information is outdated?  PTFE seals apparently should be 
> able to work dry; and viton may work better than buna-N…
>
> For those with  low dew point CDA – do you see any issues with seals 
> in actuators?  Or I am still living in the past and this is not an 
> issue any more?
>
> Thanks
>
> Mike
>
> *From:* labnetwork <labnetwork-bounces at mtl.mit.edu> *On Behalf Of 
> *Collins, Deon
> *Sent:* Thursday, December 8, 2022 10:46
> *To:* Denis, Kevin L. (GSFC-5530) <kevin.l.denis at nasa.gov>; 
> labnetwork at mtl.mit.edu
> *Subject:* Re: [labnetwork] CDA and copper piping
>
> Our entire system is copper. There are standards depending on your 
> needs. You should be using type L copper for Med Gas.  Silver soldered 
> joints are a preferred method for Med Gas. The compressor, 
> dehumidifier and filters play as large a role as the materials.
>
> *From:* labnetwork <labnetwork-bounces at mtl.mit.edu> *On Behalf Of 
> *Denis, Kevin L. (GSFC-5530)
> *Sent:* Wednesday, December 7, 2022 3:46 PM
> *To:* labnetwork at mtl.mit.edu
> *Subject:* [labnetwork] CDA and copper piping
>
> Hello All,
>
> 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.
>
> Regards,
> Kevin
>
>
> _______________________________________________
> labnetwork mailing list
> labnetwork at mtl.mit.edu
> https://mtl.mit.edu/mailman/listinfo.cgi/labnetwork
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://mtl.mit.edu/pipermail/labnetwork/attachments/20221208/cc28e629/attachment.html>