The Spark-Key is a brazing and soldering torch igniter designed for refrigeration and air conditioning installation and service. The 5-1/2-inch long lighter uses a water-resistant, corrosion-proof ...

Brazing joins parts by heating them to more than 840°F and applying a filler metal that has a melting temperature below that of the base metal. Filler metal flows into the joint by capillary ...

Although torch brazing is the most widely used brazing method, finding a skilled operator for the process is a difficult task for many manufacturers. Moreover, it elevates regulatory and safety ...