**Common Issues and Solutions for Polyurethane Pipes During Operation** – Dacheng Xiangdong Insulation Refractory Material Factory | Phone: 13473696600 | 15731614448
**Common Issues and Solutions for Polyurethane Pipes During Operation** – Dacheng Xiangdong Insulation Refractory Material Factory | Phone: 13473696600 | 15731614448
Polyurethane insulation pipes are widely used in various industries due to their long service life, typically lasting between 30 to 50 years. These pipes offer excellent thermal insulation performance, with heat loss being only about 25% of that of traditional pipes. This makes them highly energy-efficient, helping to significantly reduce long-term energy costs. Additionally, they are waterproof, corrosion-resistant, easy to install, and cost-effective overall.
The polyurethane insulation pipe is manufactured using high-performance polyether polyol and multiple methyl polyphenyl polyisocyanates through a chemical foaming process. It is commonly used in indoor and outdoor pipelines, central heating systems, air conditioning lines, and industrial applications such as chemical and pharmaceutical projects for both insulation and cold preservation.
During the installation and operation of polyurethane insulation pipes, several common issues may arise:
1. **Slow Rise in Temperature**: This often occurs during autumn and winter or in the early morning when temperatures drop suddenly. To resolve this, increase both the ambient temperature and the black material temperature. Typically, the black material should be heated to 30–60°C, while the surrounding environment should be maintained at 20–30°C.
2. **Fast Rise in Temperature**: This issue usually appears during spring and summer or in the midday when temperatures rise too quickly. To address this, cool the black material with cold water or place it outdoors at night to avoid direct sunlight.
For more information on polyurethane insulation solutions, contact Dacheng Xiangdong Insulation Refractory Material Factory.
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*Note: This article provides practical guidance for users and contractors working with polyurethane insulation pipes, ensuring optimal performance and longevity under different environmental conditions.*


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