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Copper Braze Joint Fittings

Copper Braze Joint Fittings

Copper Braze Joint Fittings

(OP)
I originally posted this on HVAC/R, but no one has commented.  Maybe this is the place for it.

I recently read an interesting article that talked about the differences in fitting insertion depth between soldered copper and brazed copper joints.  According to this article, the insertion depth of the typical wrot copper plumbing fitting is designed for a soldered joint, but is actually too deep for an optimal brazed joint (as would be used with refrigerant lines).  Since the article seemed to be one large advertisement for a tool that modifies fittings for brazing, I wanted to get some other input from the forum.  The link is:

http://www.pmengineer.com/CDA/ArticleInformation/features/BNP__Features__Item/0,2732,141370,00.html

Has anyone heard this information before?  The author mentions fittings that are made specifically for brazing - anyone know who makes them or sells them?  I am no brazing expert, and would appreciate your opinions before changing the way I braze and specify brazing.

---KenRad

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