DK-LOK DU-B Union (Brass)
The DK-LOK DU is a twin-ferrule union designed to connect two individual tube lines of the same outside diameter together. The ‘-B’ designation indicates brass body construction. It uses DK-LOK’s double-ferrule compression mechanism for a leak-free, reusable, gas-tight seal.
Key Features
- Twin (double) ferrule compression design for reliable, reusable sealing
- Connects two same-size tube ends in a straight-through union
- Brass body construction for general-purpose, lower-corrosion-risk service
- Available in fractional and metric tube OD sizes
- Leak-tight performance under vibration, vacuum, and impulse conditions
- Interchangeable with industry-standard twin-ferrule fitting systems
Technical Specifications
- Brand: DK-LOK
- Part Code: DU-B
- Type: Union (Tube-to-Tube)
- Fitting Type: Union
- Ferrule Design: Twin / double ferrule
- Body Material: Brass
- Size Basis: Fractional and metric tube OD (size not specified in this code)
- 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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