What Are the Characteristics of Polyurethane Insulation Pipe 7?
Dacheng Xiangdong Insulation Refractory Material Factory | Phone: 13473696600 | 15731614448
Polyurethane insulation pipes are widely used in various industries due to their excellent thermal insulation and durability. Here are some key features of polyurethane insulation pipe 7:
1. **Long Service Life**: With proper installation and application, these pipes can last between 30 to 50 years, significantly reducing maintenance costs over time.
2. **Leak Detection System**: The system is equipped with an alarm function that automatically identifies leaks, locates the fault accurately, and triggers an alert for prompt action.
3. **Wide Range of Applications**: Available in diameters from DN15 to DN600 and thicknesses ranging from 15 to 50mm, these pipes are suitable for central heating systems, refrigeration lines, and industrial piping.
4. **High Performance Properties**:
- Oxygen Index: ≥27
- Density: 40–70 kg/m³
- Water Repellency Rate: 0.03 kg/cm³
5. **Excellent Thermal Insulation**: Compared to traditional pipes, polyurethane insulation reduces heat loss by up to 75%, making it highly energy-efficient and cost-effective in long-term operation.
6. **Strong Waterproof and Corrosion Resistance**: These pipes do not require trenching and can be directly buried underground or even underwater. This makes the installation process faster and more cost-effective.
7. **Good Low-Temperature Performance**: They maintain strong resistance to corrosion and impact even in freezing conditions, allowing them to be directly buried in frozen soil without damage.
When working with polyurethane insulation pipes, it's essential to ensure proper pressure testing. The process involves checking for leaks within 10 minutes after voltage regulation. For strength testing, the pipe should be subjected to 1.5 times its working pressure. A 1kg hammer is used to tap around the welds, and if there’s no leakage after 30 minutes with a pressure drop not exceeding 0.2, the test is considered successful.
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