Our Brass Flare 90-Degree Union Elbow is a precision-engineered brass fitting designed for high-performance connection of two flared copper or aluminum tubes at a right angle (90°). Manufactured from solid forged brass, this union elbow ensures leak-proof, corrosion-resistant, and vibration-resistant joints for critical applications across residential, commercial, and industrial sectors.
Material: High-grade forged brass (CW617N / C37700 / HPb59-1)
Design: 90° union elbow with flare-to-flare connection
Finish: Natural brass or optional nickel/chrome plating
Thread Type: UNF SAE flare thread (Custom NPT/BSP available)
Operating Pressure: Up to 800 PSI (varies by tube size)
Temperature Range: -65°F to +250°F (-53°C to +121°C)
Seal Type: Metal-to-metal flare seal – no O-ring required
Surface Treatment: Smooth machined finish to reduce friction and enhance durability
Leak Resistance: Excellent sealing integrity under pressure and vibration
HVAC & Air Conditioning Systems (R410A, R22, etc.)
Refrigeration Equipment
Gas and Fuel Delivery Systems
Hydraulic and Pneumatic Lines
Automotive Cooling and Brake Lines
Marine, Plumbing, and Industrial Fluid Transfer
Flare Tube OD (inch) | SAE Flare Thread (UNF) | Metric Equivalent (mm) |
---|---|---|
1/4" | 7/16-20 | 6.35 mm |
3/8" | 5/8-18 | 9.52 mm |
1/2" | 3/4-16 | 12.7 mm |
5/8" | 7/8-14 | 15.88 mm |
3/4" | 1-1/16-14 | 19.05 mm |
7/8" | 1-3/16-12 | 22.23 mm |
Custom sizes and threading standards (NPT, BSPT, metric) available upon request.
We specialize in OEM/ODM brass component production, offering:
Customized Threading: SAE, NPT, BSP, BSPT, metric threads
Branding & Marking: Laser-engraved logos or part numbers
Plating Options: Nickel, chrome, or other anti-corrosion finishes
Packaging Solutions: Bulk, retail box, blister pack, custom cartons
Low MOQ for Custom Orders and fast tooling for new designs
3D CAD Drawings and Technical Support available for design collaboration
ISO 9001:2015 Certified Factory
RoHS, REACH, CE Compliant
100% Pressure Tested
Strict Quality Control – from material inspection to final packing
In-house CNC machining and leak testing
Inner: PE Bags or Blister
Outer: Strong Export Cartons
Palletizing available
Lead Time: 15–30 days depending on order size
Shipping: Global air, sea, and courier shipping options