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

Specifications
- Material
- Polyurethane (PU)
- Working Pressure
- Application dependent
- Temperature Range
- -20°C to 70°C
- Available Sizes
- 6×4, 8×5, 10×6.5, 12×8 mm
- Colors
- Blue, Orange, Yellow, Black, Red
- Applications
- Pneumatic tools, Assembly workstations, Machine connections, Workshop air systems, Compressed-air equipment
Manufacturing Capabilities
- Self-coiling construction
- Excellent elasticity
- Space-saving design
- Flexible extension and retraction
- Good kink resistance
- OEM colors, private labels, and export packaging available.
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 PU Spiral Tubes best suited for?
PU Spiral Tubes is commonly used for Pneumatic tools, Assembly workstations, Machine connections, Workshop air systems, Compressed-air equipment.
What sizes are available for PU Spiral Tubes?
Standard sizes include 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.
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