DK-LOK DUR-B Reducing Union (Brass)
The DK-LOK DUR-B is a brass reducing union twin-ferrule tube fitting that connects two tube lines of different outside diameters in a straight-through configuration. The '-B' designation indicates brass construction. It provides a reusable double-ferrule seal on both tube ends.
Key Features
- Brass reducing union joins two different tube OD sizes
- Twin (double) ferrule compression seal on each end
- Brass body for general-purpose and lower-corrosion service
- Available in fractional and metric tube OD sizes
- Reusable, predictable swaging make-up
- Conforms to ASTM F-1387 (twin-ferrule fitting standard)
Technical Specifications
- Brand: DK-LOK
- Part Code: DUR-B
- Type: Reducing Union (Tube-to-Tube)
- Fitting Type: Reducing Union
- Ferrule Design: Twin / double ferrule
- Body Material: Brass
- Standard: ASTM F-1387
- Tube OD Range: 1/16 in. to 2 in. (fractional); 2 mm to 38 mm (metric)
- Design Standard: Twin-ferrule fitting, tested to ASTM F1387
- Working Pressure: Rated by tube size and wall thickness per the DK-LOK catalog. Call for quote.
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