Smooth Flow Pipe
Smooth Flow pipe is a corrugated polyethylene pipe with a smooth interior. This combination provides a lightweight, durable product for storm sewers, culverts, and many other applications where high strength and maximum flow are essential. Haviland Smooth Flow pipe is available with plain ends from 8″ to 30″ and with belled ends from 4″ to 60″. Smooth Flow pipe conforms to AASHTO M-252 and AASHTO M-294 specifications. An installation guide is available specifically for Smooth Flow pipe on our website. As shown below, 4″ through 6″ pipe can be ordered in pallets.