Heavy-Duty Polyurethane Coated Pipeline with Solvent-Free Epoxy Lining

  • Product Type: Welded Steel Pipe with a specialized composite coating system for atmospheric exposure
  • External Coating System (Multi-Layer Liquid Application):
    • Primer: Epoxy Zinc-Rich Primer (Provides cathodic protection)
    • Intermediate Coat: Epoxy Micaceous Iron Oxide (MIO) High-Build Paint (Creates a physical barrier)
    • Topcoat: Aliphatic Polyurethane Topcoat (Provides excellent weather and UV resistance)
  • Internal Lining: Solvent-Free Liquid Epoxy Coating (100% Solids)
  • Key Advantage: Ultimate weatherability, color retention, and long-term corrosion resistance, engineered for exposed environments like bridges, pipe racks, and coastal areas.
  • Applications: Water/gas pipelines on sea-crossing/river-crossing bridges, utility corridors, above-ground pipelines, process piping in chemical plants and coastal facilities.

For pipelines exposed to wind, rain, sun, and industrial atmospheres, standard corrosion protection is not enough. We engineered this heavy-duty composite pipe—a synthesis of aesthetics, durability, and safety—for these extreme challenges.

External – A Sophisticated “Sandwich” Defense System: Our external coating is a precision-engineered, multi-layer defense system.

  1. The Epoxy Zinc-Rich Primer acts as the first line of defense, bonding to the steel to provide sacrificial cathodic protection, fundamentally preventing rust from starting.
  2. The Epoxy MIO Intermediate Coat, with its lamellar flake structure, creates a dense physical barrier, drastically slowing the ingress of water and oxygen.
  3. Finally, the Polyurethane Topcoat not only gives the pipe a lasting, aesthetic finish but also provides superior UV resistance, protecting the underlying coats from degradation and keeping the entire system looking new for years.

Internal – The Unwavering Purity Core: Beneath the tough exterior lies an interior lined with high-quality, solvent-free epoxy. It guarantees the purity and safety of the transported medium and its smooth surface prevents scaling, making it ideal for water, gas, and high-purity chemicals.

This product perfectly merges the highest demands of architectural aesthetics and industrial protection. It is the ideal choice for landmark projects like pipeline bridges and utility corridors, ensuring they remain both safe and visually impressive for decades to come.

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