This topic contains a solution. Click here to go to the answer

Author Question: What brazing material is used for connecting copper lines to brass and steel vealves? What will ... (Read 121 times)

ereecah

  • Hero Member
  • *****
  • Posts: 530
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?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Silverbeard98

  • Sr. Member
  • ****
  • Posts: 355
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

  • Hero Member
  • *****
  • Posts: 530
Both answers were spot on, thank you once again




 

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

For a complete list of videos, visit our video library