Brazing Copper Pipe Hvac

Every plumber and many hvac technicians have had the privilege and frustration of attempting to solder a copper water pipe that has a leaking valve which prevents the complete shut off of water flow.

Brazing copper pipe hvac.

Brazing rods look like straightened metal coat hangers and like solder they become stronger as the percentage of silver they contain increases. Procedures for brazing pipe and tubing. Cut pipe square cut to the exact length required using a tube cutter or hacksaw. We will be brazing or silver soldering refrigerant a c lines for hvac equipment.

The braze is what is melted by the torch to join two metals. Remove all inside and outside burrs with a reamer file or other sharp edge scraping tool. Step by step tutorial on how to braze copper pipe like a pro. The most commonly used brazing filler metal types used to join copper tube and fittings fall into two distinct categories.

4 recommended practices general strong leak tight brazed connections using copper and steel pipe tube and fittings are usually made using filler metal which melts in the temperature range of. The brazing temperatures for most of the brazing alloys used to joint copper piping systems bcup and bag alloys see below are roughly between 1 150 f 621 c and 1 550 f 843 c. If a hacksaw is used a sawing fixture should also be used to ensure square cuts. Basic brazing this is a module 4 video.

Thank for you. For joining copper lines we usually use brazing rods that are made out of a copper phosphorous combination.