Power Industry

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Power Industry

Application Scenarios: High-voltage cable protection pipes, substation drainage, power plant circulating water, wind power cable conduits, urban power utility tunnels.

Technical Description: Spiral or straight seam welded pipe, externally coated with reinforced 3PE or epoxy coal tar pitch, ring stiffness ≥16kN/m². Standard threads (NPT/BSPT) can be machined at the pipe ends for weld-free connections. 3kV spark leak detection shows no pinholes.

Standards: DL/T 802, GB/T 3091, ASTM A252

Core Advantages: Compression and deformation resistance, thread rust prevention treatment, convenient construction. Already used in State Grid UHV projects and offshore wind power projects.