Double-wall structured twin-corrugated HDPE and PP gravity sewer pipes compliant with EN 13476-3 standards, featuring inner smooth bores and outer corrugated profiles from DN150 to DN1200. Built with SN8 and SN16 structural ring stiffness to withstand heavy vehicular traffic backfill loading in high water-table environments. Utilized for highway runoff drainage, industrial effluent gravity collectors, and deep municipal sewer installations.
Review complete operational envelopes, engineering standards, and pre-staged inventory models ready for procurement across Iraq.