Flared copper tube fitting for HVAC/R systems, ASTM B75 seamless copper tubing, soft temper

Flared Copper Tube Fittings– ASTM B75 Seamless Copper Tubing, Soft Temper for HVAC/R Systems

The Flared Copper Tube Fittings from KAK is engineered for high-pressure HVAC/R environments. Manufactured from premium ASTM B75 seamless copper tubing in a soft temper condition, these fittings provide the perfect balance of ductility and strength for leak-proof refrigerant connections.

Our seamless construction ensures exceptional durability and superior thermal conductivity, making them ideal for modern refrigerants. Each fitting is precision-machined to ensure a perfect 45-degree flare, minimizing the risk of cracks during installation.

Core Technical Advantages

  • Premium Material: High-grade ASTM B75 seamless copper for maximum corrosion resistance and pressure ratings.
  • Soft Temper Flexibility: Easy to bend and flare without work-hardening or splitting, ensuring a secure seal.
  • Precision Engineering: Flared ends meet industrial standards for residential and commercial cooling systems.
  • Verified Reliability: All production batches are monitored for structural integrity in our in-house laboratory to guarantee long-term performance.
  • Bespoke OEM Options: Beyond standard sizes, we offer custom lengths, wall thicknesses, and connection types to fit your specific system design.

Professional Applications

  • Residential and commercial split-type air conditioners.
  • Industrial refrigeration: Chillers, freezers, and cold storage units.
  • Heat pumps and high-efficiency condensing units.
  • OEM manufacturing for specialized HVAC/R fluid handling.

Partner with Ningbo FXT: As an industrial manufacturer, we provide multiple sizes including 1/4”, 5/16”, 3/8”, 1/2”, 5/8”, and 1”. Contact us for technical drawings or bulk OEM pricing.

Related Products