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According to the Integrated Wastewater Discharge Standards, is a PVC-U drainage pipe suitable for discharge requirements?

2019-05-11

According to the Integrated Wastewater Discharge Standard GB 8978-88 and the Water Quality Standard for Wastewater Discharged into Urban Sewer Systems GJ 18-86, graded standards have been established for wastewater discharge, along with detailed specifications outlining the maximum allowable concentrations of pollutants. PVC-U pipes stand out due to their exceptional corrosion resistance and hygienic properties—they are immune to corrosive effects from pollutants, ensuring that the pipes remain free from scaling throughout the water distribution process. Additionally, PVC-U pipes feature a low roughness coefficient, enabling higher flow velocities and maintaining excellent full-flow capacity. Their lightweight design also makes installation and maintenance exceptionally convenient, allowing them to easily meet the minimum slope requirements specified in drainage pipe standards. For these reasons, PVC-U pipes are perfectly suited to comply with national wastewater discharge standards and represent one of the most practical and effective piping materials for sewer systems today.

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