Corrugated HDPE Pipe: Dual Wall Pipe

Dual wall Corr-A-Flow™ is a corrugated HDPE (high density polyethylene) pipe with a smooth inside wall and a corrugated exterior for added strength. Typical applications of dual wall corrugated HDPE pipe include general drainage, storm sewers, culvert, side drain, and septic systems.

1. Available in 4” – 24” diameters
2. Laying lengths are 20’
3. Pipe is available solid or perforated
4. Meets ASTM F 405 material specifications in diameter from 4" to 6", and ASTM F 667 for the larger diameters
5. Perforations and physical properties meet AASHTO M 252 for 10" and smaller and M-294 for 12" and larger, Type S (smooth interior) and SP (smooth and perforated)
6. Standard pipe comes with an integral bell and a spigot joint. External couplers are available. Standard bell and spigot pipe meets soil tight specifications per AASHTO M-294
7. Gasketed joints are furnished with a gasket, seated in the corrugation of the spigot end. The gasket meets ASTM F 477, and the joint has been laboratory tested to at least 2 psi per AASHTO specification M-294 at least 2 psi per AASHTO specification M 294, section 7.9.2

Dual wall HDPE innerduct is generally made to order. Contact us for lead times or request a quote for more information.

Dual Wall Corrugated HDPE Pipe Dimensions and Specifications