Flexible PU Tubes
Highly flexible polyurethane tubing for tight bends, compact pneumatic systems, and applications requiring easy routing.

Specifications
- Material
- Flexible Polyurethane (PU), 90A–95A
- Working Pressure
- Application dependent
- Temperature Range
- -20°C to 70°C
- Available Sizes
- 4×2.5, 6×4, 8×5, 10×6.5, 12×8 mm
- Colors
- Blue, Red, Yellow, Green, Black, Transparent
- Applications
- Pneumatic automation, Robotics, Pick-and-place systems, Air cylinders, Compact machine assemblies
Manufacturing Capabilities
- High flexibility
- Tight bend radius
- Excellent kink resistance
- Lightweight construction
- Easy installation
- OEM colors, private labels, and export packaging available.
Industries Served
Common Size Chart
| Size | OD | ID | Wall | Coil | Working Pressure |
|---|---|---|---|---|---|
| 2.5×4 mm | 4 mm | 2.5 mm | 0.75 mm | 100 m | 12 bar |
| 4×2.5 mm | 4 mm | 2.5 mm | 0.75 mm | 100 m | 12 bar |
| 6×4 mm | 6 mm | 4 mm | 1.0 mm | 100 m | 12 bar |
| 8×5 mm | 8 mm | 5 mm | 1.5 mm | 100 m | 12 bar |
| 10×6.5 mm | 10 mm | 6.5 mm | 1.75 mm | 100 m | 12 bar |
| 12×8 mm | 12 mm | 8 mm | 2.0 mm | 100 m | 12 bar |
Frequently Asked Questions
What applications is Flexible PU Tubes best suited for?
Flexible PU Tubes is commonly used for Pneumatic automation, Robotics, Pick-and-place systems, Air cylinders, Compact machine assemblies.
What sizes are available for Flexible PU Tubes?
Standard sizes include 4×2.5, 6×4, 8×5, 10×6.5, 12×8 mm. Custom sizes are available for OEM and export orders.
Can Corvin Polytech support export and OEM requirements?
Yes. Corvin Polytech supports OEM colors, private labeling, export packaging, samples, and documentation for international buyers.
Related Pneumatic Tubing

PU Pneumatic Tubes
Thermoplastic polyurethane tubes designed for pneumatic automation, dynamic movement, and demanding industrial applications.

PU Spiral Tubes
Self-coiling polyurethane tubes designed for pneumatic tools, workstations, machine connections, and retractable air lines.

Food Grade PU Tubes
Specialized polyurethane tubing manufactured for suitable food, beverage, and hygienic fluid-handling applications.

Medical Grade PU Tubes
Specialized polyurethane tubing manufactured from suitable medical-grade materials for demanding healthcare and medical-device applications.