Brass Flare Nut / Air Conditioner Flare Nut

Designed to leak-proof connect copper pipe lines to valves, indoor, and outdoor units in split air conditioners, VRF/VRV HVAC systems, and refrigeration piping, the Brass Flare Nut is manufactured from high-quality brass material with precision craftsmanship. It seats perfectly on flared copper tube ends, providing total safety against high pressure and gas leaks.

Key Features and Advantages

• High-Quality MS58 Brass: Solid brass body resistant to corrosion, scaling, and mechanical stress.
• Precision Threads & Flare Profile: Delivers zero-leakage performance at pipe connections; safely used in high-pressure gas lines such as R410A and R32.
• Easy Tightening & Installation: Hexagonal body shape perfectly matching standard wrench sizes enables smooth installation and removal.
• Durable & Secure: Heavy wall thickness prevents cracking against over-torquing and installation vibrations.
• Wide Application Area: Residential split ACs, VRF/VRV outdoor unit service valves, cooling group service lines, and HVAC piping systems.