HDPE Corrugated Pipe TDR SW Perforated 4" (100mm) Type 4 90 Single Wall Plain End 100ft (30m) coil.
4" TDR SW (single-wall) pipe for use in gravity-flow, highway, subsurface irrigation and land drainage applications.
TDR™ SW Perforated pipe. Type CP, shall be Type C pipe with Class 2 perforations. Single wall perforated wall with reinforced double-arch corrugations.
TDR Pipe is manufactured using high-density polyethylene (HDPE) meeting the requirements of cell classification 435420C for all pipe sizes as defined and described in ASTM D3350. Carbon black content shall be between 2 and 4%.
Pipe and fittings shall be installed in accordance with ASTM D2321 and TDR's published Installations Guideline. Minimum cover for trafficked areas shall be 12" (0.3m). Maximum cover height depends on materials used for embedment and haunching. Please refer to TDR's Technical Service for more detail. Contact your TDR's representative for the latest installations guideline and recommendations.
Water inlet minimum area shall be 20 cm2 /m (1 in2 /ft) for 4- inch pipe; Please refer to your TDR's representative for more detail on the perforation patterns.