Brass Fittings
Brass Flare Reducing Union
Reducing flare union for joining different flared copper tube sizes without brazing.
| Material | CW617N / forged brass |
| Finish | Natural or nickel-plated brass |
| Connection | Flare, compression or threaded |
| Packaging | Bag or carton by size |
| Use | Copper tube service connections |
| Fitting type | Brass Flare Reducing Union |
| Size range | Common 1/4" to 3/4" flare or 8 mm to 76 mm compression sizes |
Dimensional Data
Technical Specifications
| Nominal Size | OD (in) | Wall Thickness (in) | Weight (lb/ft) | Max Pressure (psi) |
|---|---|---|---|---|
| 3/8" x 1/4" | SAE flare x SAE flare | Reducing connection | Refrigeration service | CW617N brass |
| 1/2" x 3/8" | SAE flare x SAE flare | Reducing connection | Refrigeration service | CW617N brass |
| 5/8" x 1/2" | SAE flare x SAE flare | Reducing connection | Refrigeration service | CW617N brass |
| 3/4" x 5/8" | SAE flare x SAE flare | Reducing connection | Refrigeration service | CW617N brass |
* Values are nominal and subject to manufacturing tolerances. Consult GCM technical support for specific temperature or pressure applications.
Where It’s Used
Key Applications
Brass Flare Reducing Union for copper tube connection, service repair and HVAC/refrigeration installations. Size rows include tube size, connection format, pressure/service note and material.
Refrigeration service fittings
Split AC and VRF connections
Copper water pipe connections
Mechanical service repairs
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