PU Air Tube
PU Air Tube
A PU air tube, also known as polyurethane pneumatic tubing, is a flexible hose used to transport compressed air in pneumatic systems. Made from high-quality polyurethane material, these tubes offer excellent flexibility, durability, and resistance to wear.
Compared with traditional PVC or nylon tubing, polyurethane air tubes provide superior elasticity and kink resistance, making them easier to install and more reliable in dynamic applications. Their ability to withstand repeated bending and pressure variations makes them ideal for modern automation systems.
Key Features
- High Flexibility: Easily bends without cracking, ideal for complex routing.
- Anti-Kink Performance: Maintains airflow even under tight bending conditions.
- Excellent Pressure Resistance: Suitable for compressed air systems with stable performance.
- Superior Wear Resistance: Polyurethane material withstands abrasion and mechanical stress.
- Oil and Chemical Resistance: Performs well in industrial environments.
- Lightweight and Easy Installation: Simplifies system setup and maintenance.
Technical Specifications
| Item | Specification |
|---|---|
| Material | Polyurethane (PU) |
| Type | Air Tube / Pneumatic Tubing |
| Inner Diameter (ID) | Custom |
| Outer Diameter (OD) | Custom |
| Length | Standard & Custom |
| Color | Blue, Red, Transparent, Custom |
| Temperature Range | -30°C to 80°C |
| Working Pressure | Custom |
Applications
PU air tubes are widely used in pneumatic and air supply systems.
Typical applications include:
- Pneumatic control systems
- Industrial automation equipment
- Air tools and compressors
- Robotics and assembly lines
- Packaging machinery
- Manufacturing systems
These tubes ensure efficient and stable air transmission.
Advantages of PU Air Tubes
| Feature | PU Air Tube | PVC Tube | Nylon Tube |
|---|---|---|---|
| Flexibility | Excellent | Good | Low |
| Kink Resistance | Excellent | Moderate | Good |
| Abrasion Resistance | Excellent | Moderate | Good |
| Weight | Light | Light | Medium |
| Service Life | Long | Medium | Long |
Polyurethane air tubes provide an optimal balance of flexibility, durability, and performance.
Types of PU Air Tubes
Standard PU Tubing
General-purpose tubing for pneumatic systems.
High-Pressure PU Tubing
Designed for higher pressure applications.
Colored PU Tubing
Used for system identification and organization.
Coiled PU Tubing
Ideal for compact setups and retractable applications.
Custom PU Air Tube Solutions
We provide custom polyurethane air tubing for various applications.
Customization options include:
- Custom ID and OD sizes
- Different colors for identification
- Various hardness levels
- Coil or straight tubing options
- Production based on specifications
Our solutions ensure reliable performance in modern pneumatic systems.
FAQ
What is a PU air tube used for?
It is used to transport compressed air in pneumatic systems and automation equipment.
Why choose polyurethane air tubing?
Polyurethane offers better flexibility, kink resistance, and durability compared with PVC or nylon tubing.
Can air tubes be customized?
Yes. They can be manufactured in different sizes, colors, and pressure ratings.
Where are PU air tubes used?
They are widely used in automation, manufacturing, robotics, and pneumatic systems.









