[labnetwork] [EXTERNAL] RE: CDA and copper piping

[Denis, Kevin L. (GSFC-5530)]

Hello all,
Thank you very much for your suggestions and experience.  Consensus says that copper lines should be OK if silver soldered connections and care is taken to keep low moisture (-100F dewpoint).  Leaks in the line can generate copper sulfate buildup.  Point of use filters for particulates are also recommended.

Thanks again really appreciate it,
Kevin





From: Collins, Deon <deonc69 at illinois.edu>
Sent: Thursday, December 8, 2022 10:46 AM
To: Denis, Kevin L. (GSFC-5530) <kevin.l.denis at nasa.gov>; labnetwork at mtl.mit.edu
Subject: [EXTERNAL] RE: 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<mailto: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<mailto: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


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