Union Barb Elbow – 8 mm

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  • Tefen union barb elbow connector for 8 mm tube – front view
  • Elbow installed with tubing showing a right-angle connection
  • Technical diagram of Tefen 8 mm elbow fitting – dimensions illustrated
$7.95
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Key Features
  • Secure Tube Join: Connects two 8 mm OD tubes at a 90° angle with leak-resistant barb lock system.
  • Tool-Free Install: Push-fit connection with locking nut – no clamps required.
  • Tight Radius: Ideal for neat, compact layouts in chicken coops or mobile setups.
  • Strong Nylon Body: Made from high-quality Nylon 6-6 for durability and UV resistance.
  • System Use: Compatible with gravity and mains-pressure poultry hydration systems.

The Tefen 8 mm Union Barb Elbow is a precision connector for 90-degree tube turns in poultry watering systems. Designed for use with our premium 8 mm hydraulic tubing, it allows for clean directional changes without kinking or compromising flow pressure.

Reliable 90° Tube Connection

This union elbow is most often used where space is limited and a right-angle connection is required. The barb lock design ensures a tight, leak-proof seal when used with appropriate tubing, without the need for hose clamps.

DIY and Modular System Friendly

Perfect for backyard chicken setups and commercial systems alike, this connector integrates easily with other Tefen fittings. Whether redirecting around a coop corner or managing a tight mounting space, this elbow keeps your system efficient and tidy.

Product Specifications

Connection Type::
Union Barb Elbow
Tube Compatibility::
8 mm OD
Length (L)::
27.4 mm
Material::
Nylon 6-6
Configuration::
90° elbow join
System Use::
Gravity-fed and mains pressure

What tubing is compatible with this elbow?

This elbow is designed specifically for use with 8 mm outer diameter (OD) tubing, such as our premium hydraulic hose used in all Dine-A-Chook hydration setups.

Do I need clamps or adhesive to install?

No, the barb and locking nut system provides a secure seal. Just ensure a clean, straight tube end and slide the nut over before pressing the tubing onto the barb. Hand-tighten the nut for a snug, reliable connection.

Can this fitting be used in mains pressure systems?

Yes. It is suitable for both gravity and mains pressure applications. Always check your system’s pressure limits and ensure all components are pressure rated.

What’s the minimum straight tube length before a bend?

We recommend allowing a minimum straight length of 5x the tube's outer diameter (5xOD), so for 8 mm tubing, this means 40 mm. This helps avoid stress on the fitting and maintains system integrity.

Any tips for planning a hydration system with elbows?

Use elbows to keep your tubing neat, especially around corners or structural obstacles. Avoid over-bending tubes. Lay out your system dry first, confirm placement, and then tighten everything. This avoids rework and ensures a drip-free design from the start.