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