Hdpe dr11 pipe is a high density polyethylene pipe which is heavily used in water distribution, sewage, and industrial pipeworks among other activities. It is mainly appreciated for its resistance to wear and tear and corrosive elements providing up to excellent flow rates and serviceability. Mostly used in pipe fittings that are installed below the ground surface, DR11 presents diffi... https://www.coastalrgp.com/hdpe-dr11-pipe/