Sewage Pipe
A HUALIN’s sewage pipes are suitable for various urban municipal engineering applications. They have strong drainage capacity, high and low temperature resistance, strong pressure-resistant structure, good sealing, and avoid secondary pollution. We provide customized options to achieve different sizes, colors, and nominal wall thicknesses.
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Sewage Pipe Manufacturer in China
Sewage pipes are tubular infrastructure used to collect and transport domestic sewage, industrial wastewater and rainwater (in some scenarios). They are the core components of urban drainage systems and industrial wastewater treatment systems. Their function is to gather and transport dispersed sewage sources to sewage treatment plants, discharge outlets or recycling facilities through gravity flow or pressure flow, so as to achieve centralized treatment and compliant discharge of sewage and avoid environmental pollution.
Product Performance Parameters
| Serial number | Measurement items | Standard requirements | Test Method |
| 1 | Ring stiffness | SDR26 series ≥4kN/㎡, SDR21 series ≥8kN/㎡, SDR17 series ≥16kN/㎡, SDR13.6 series ≥32kN/㎡, SDR11 series ≥64kN/㎡ | GB/T9647 |
| 2 | Elongation at break | ≥350% | GB/T8804.3 |
| 3 | Oxidation induction time | ≥20min | GB/T17391 |
| 4 | Longitudinal shrinkage | ≤3% | GB/T6671-2001 |
| 6 | Tensile yield stress | ≥20MPa | GB/T8804.3 |
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Key Features of HUALIN Sewage Pipe
Our sewage pipe is made of high-density polyethylene, which has excellent physical properties and chemical stability. Its smooth inner wall can significantly improve the efficiency of sewage transportation. The ring stiffness SN8-SN16 ensures compressive strength, and the axial tensile strength ≥25MPa ensures structural reliability. The special formula makes the pipe resistant to acid and alkali corrosion (pH1-14), UV resistance (5000 hours aging test) and the operating temperature range is -30℃~80℃. The socket-type electric fusion connection technology is adopted to achieve 0.1bar/30min leak-free sealing and maintenance-free within the 50-year design life. The product has passed GB/T 20221, ISO 3633 and other certifications.
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Customization Service from HUALIN
Our sewage pipes can be customized with non-standard diameters and special-shaped pipes to ensure that the pipeline system is perfectly adapted to the environment. Due to the strong corrosiveness of sewage pipes, our sewage pipes can be customized with composite sewage pipes lined with anti-corrosion materials. For areas with high groundwater levels, reinforced anti-seepage sewage pipes are provided to ensure the service life and safety of the pipes from the source. From the initial communication of project needs and solution design to strict quality inspection and finished product delivery during the production process, our professional team follows up throughout the process, using advanced production processes and testing equipment to ensure that each customized sewage pipe meets national standards and customer expectations, and to help all types of drainage projects to be smoothly implemented with efficient response and high-quality services.
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HUALIN Sewage Pipe Applications Explored
HUALIN sewage pipes are widely used in various industries, providing reliable and reliable protection for water management and the environment. In municipal engineering, they bear the core function of domestic sewage and rainwater discharge. Their corrosion resistance and high ring stiffness ensure the 50-year service life of the underground pipe network. In industrial scenarios, customized sewage pipes can cope with special needs such as chemical wastewater, high-temperature flue gas, and highly abrasive media in mining areas. In the agricultural field, anti-UV modified pipes are used to achieve harmless treatment of aquaculture wastewater. In underground spaces such as tunnel projects and subway systems, sewage pipes use pressure flow design to discharge seepage and flushing wastewater in a timely manner to ensure the safe operation of the project.
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