Product Information

Outline

This product was developed as dedicated pipes for large-diameter rainwater drainage on expressways. It maintains the same high water-tightness as Toyo Drain Ring Pipe.

Characteristics

• Improved, outstanding water-tightness
  Water-tightness has been improved in comparison with that of conventional sockets.
• Improved connection strength
  A dedicated socket has been developed and the adhesiveness of the pipe-socket connection improved.
  Water-tightness of the connection is 0.05 Mpa.
• Low roughness coefficient
  The low flow resistance of the smooth inner walls results in an extremely smooth water flow.
  (n=0.010)
• High withstanding pressure
  The unique crest-and-trough structure offers high flattening resistance.
• Corrosion-resistant material
  Polyethylene material is used to provide resistance to corrosion and attacks by a wide range of chemicals, including acids and alkalis.
• Outstanding workability
  Because the pipes are light and have excellent flexibility, transportation and laying down are easy.
• Excellent impact resistance
  The use of polyethylene provides superior impact resistance.

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