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Author Question: What brazing material is used for connecting copper lines to brass and steel vealves? What will ... (Read 82 times)

ereecah

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on: Jul 26, 2018
What brazing material is used for connecting copper lines to brass and steel vealves?
 
  What will be an ideal response?

Question 2

Why is nitrogen brazing particularly important when working with systems that use HFC refrigerants?
 
  What will be an ideal response?


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Silverbeard98

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Reply #1 on: Jul 26, 2018
Answer to Question 1

High silver content brazing alloys

Answer to Question 2

POE and HFCs are very strong solvents and clean the oxides off of the inside of the copper lines. The oxides then end up in the compressor oil and in metering devices, causing major system failures.


ereecah

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Reply #2 on: Jul 26, 2018
Both answers were spot on, thank you once again


Silverbeard98

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Reply #3 on: Jul 26, 2018
Great! Please up vote :D


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