WebApr 13, 2016 · Welcome to Enertech University, online training by Enertech. One of the most overlooked steps is the use of a nitrogen purge while brazing. Without the use ... WebMar 22, 2024 · Flowing requires us to move a lot less nitrogen, as your typical flow rate will be 2-5 SCFH or just a whisper of nitrogen. Proper torch use. Although brazing rods and fluxes are critical, the success of a braze job depends on how well we heat the base metal.
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WebBrazed Joints: Purging. Some installations, such as medical gas, high-purity gas and ACR systems, require the use of an inert gas during the brazing process. The purge gas displaces oxygen from the interior of the system while it is being subjected to the high temperatures of brazing and therefore eliminates the possibility of oxide formation ... WebOct 24, 2024 · The nitrogen gas purges the area around the joint, keeping it clean and free of contaminants. This is important in refrigeration systems where the system must be clean and dry before adding refrigerant. What … pho thaison anderson
Is nitrogen a must while brazing AC lines? - Knowledge
Webting and brazing. A number 4 or 5 shade is recommend-ed. Do not expose your eyes to metal spatter or heat. Do not braze in confined spaces without proper ven- tilation. If necessary, use an air-supplied breathing system. Do not braze alone. Be sure someone is nearby to provide assistance in the event of an accident or emergency. WebOct 24, 2024 · Nitrogen is often used when brazing, because it can help to prevent oxidation of the metals being joined. When metals are heated, they can react with the … WebJun 15, 2009 · 1. This video is not a "how to braze" video 2. This video is a "why you should flow N2 while brazing" video 3. Yes, we "quenched" the pipe to speed up the process....deal with it 4. If you think you can "control the heat" think again 5. Homeowners....if your contractor doesn't flow nitrogen while brazing...fire them. 6. No … pho than bentonville ar