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Corrugated, smooth interior, high-density polyethylene (HDPE) pipe
Introduced in 1987, dual wall N-12 pipe, with its smooth interior wall and corrugated exterior, offers exceptional hydraulics and strength. Built using application-specific high-density polyethylene, dual wall N-12 corrugated pipe also provides superior corrosion and abrasion resistance. This makes it an excellent alternative to reinforced concrete (RCP) and corrugated metal pipe (CMP).
N-12 pipe is available in soil tight (ST), water tight (WT) and plain end, all of which offer joint options of bell and spigot design, gasket, bell wrap or pressure-rated 10.8 psi coupler.
- Smooth interior with a Manning's value of 0.012 resulting in increased flow capacity
- Inert HDPE material is resistant to the effects of chemicals, abrasion, hot soils, and effluent
- Lightweight product for best-installed cost and maximizing delivery and installation efficiencies
- Structurally designed corrugated exterior to support typical construction and long term loading
- Readily available in convenient locations to service local projects
- Joint options to meet your application performance requirements, including up to water-tight joints meeting ASTM D3212
- Joint options include bell and spigot design, gasket, bell wrap or pressure-rated 10.8 psi coupler
