Nine Characteristic Properties of Polyurethane Direct Buried Pipe

Polyurethane direct buried pipe is composed of FRP inner sheath of steel pipe and FRP outer shell. It is made up of steel pipe with delivery medium and high density polyethylene outer sleeve with rigid polyurethane foam insulation layer. The functional characteristics of polyurethane direct buried pipe are as follows:

1. The rigid polyurethane with low thermal conductivity and good thermal insulation function is used as thermal insulation material, which has excellent thermal insulation.

2. When the water conservation at 130 C is delivered to 40 kilometers away after normal operation, the cooling rate is only about 1 C.

3. Polyurethane direct buried pipe uses corrosion-resistant (HDPE: HDPE) outer casing, which is not affected by biological and chemical corrosion.

4. Polyurethane direct buried pipes have strong ability of waterproof and corrosion resistance. They can be buried indirectly in the world or water without additional pipe trenches. The construction is simple and rapid, and the comprehensive cost is low.

5. It also has good corrosion resistance and impact resistance at high temperature, and can be buried in frozen soil indirectly.

6. The product implements CJ/T114-2000 and CJ/T115-2001 for the establishment of industry standards in cities and towns of the People's Republic of China.

7. In order to ensure the trinity of polyurethane buried pipe, shot blasting treatment on the surface of steel pipe before foaming and corona treatment on the surface of plastic pipe, the grade of rust removal reaches the rule of Sa2.5 in GB/T8923-1998, and the external tension of shell pipe reaches 50 dyne/cm.

8. Pipes with various diameters and insulation thicknesses between DN20 and DN1200 and matching fittings (elbow three-way variable diameter pipe fixed section, etc.) can be provided according to user's requirements.

9. The polyurethane direct buried pipe is made of high density polyethylene (HDPE) material, supplemented by various additives such as antioxidants, and the original data and the quality of the product are strictly checked to ensure that the quality of the product reaches the CJ/114-2000 specification and the technical requirements of the external protective pipe of the direct buried pipe, thus improving the overall quality of the external protective pipe.

To learn more about polyurethane insulation steel pipe manufacturers, please pay attention to our Shandong Haipo Pipe Technology Development Co., Ltd. https://www.sdhpgy.com Thank you!