Air Brake Fittings by Metal Hive Network are crafted from premium CA 360, CA 345, or CA 377 brass, offering easy assembly without the need for flaring, soldering, or special preparation. Designed specifically for use with copper tubing in air brake systems, these fittings operate efficiently in temperatures ranging from -65°F to +250°F at maximum operating pressures. Assembly is simple: cut the tubing square, slide on the nut and sleeve, insert the tubing into the fitting, and tighten as required. The product range includes sleeves, nuts, unions, tees, elbows, and connectors in various configurations such as bulkhead unions, male and female connectors, and 45° male elbows, ensuring secure and durable connections for demanding applications.