Water Supply and Drainage Applications

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Water Supply and Drainage Applications

Application Scenarios: Urban water supply, secondary water supply, rural drinking water safety, sewage treatment, reclaimed water transportation, long-distance water transfer, and stormwater and sewage drainage.

Technical Description: The inner wall of the plastic-coated composite steel pipe (EP/PE coating) is smooth (roughness ≤0.01mm), preventing scaling and bacterial growth, thus ensuring water quality. The outer anti-corrosion coating is resistant to soil and water corrosion, with a design life of ≥50 years. Connection methods include trenching, flanges, and welding.

Standards: CJ/T 120, GB/T 28897, GB/T 17219

Core Advantages: Low overall cost, maintenance-free, and low head loss. Already used in the South-to-North Water Diversion Project and multiple provincial capital water supply projects.