DK-LOK DUA-S AN Union
The DK-LOK DUA is an AN union tube fitting that joins a DK-LOK twin-ferrule tube end to a 37-degree AN (SAE J514) flare connection. The ‘-S’ designation indicates 316 stainless steel construction. AN-style fittings are commonly used in military, aerospace, and instrumentation applications.
Key Features
- Twin-ferrule tube end mated to a 37-degree AN (SAE J514) flare port
- 316 stainless steel body for corrosion resistance
- Designed to SAE J514 AN flare standard
- Reusable double-ferrule grip with predictable make-up
- Available in matched tube OD and AN flare sizes
- Suited to high-vibration and high-pressure service
Technical Specifications
- Brand: DK-LOK
- Part Code: DUA-S
- Type: AN Union (Tube OD to 37-degree AN flare)
- Fitting Type: AN Union
- Ferrule Design: Twin / double ferrule
- Body Material: 316 Stainless Steel
- Flare Standard: SAE J514, 37-degree AN flare
- Temperature Rating: 316 SS material rated -425°F to 1200°F (-253°C to 649°C) per DK-LOK; final rating governed by the tubing and service – call for your application
- 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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