05/29/2026
What do those spigot stripes on ductile iron pipe actually mean?
In this episode of Iron Strong, McWane Ductile’s Carolyn Lopez explains how spigot stripes serve as a homing guide during installation and why they’re also critical for understanding proper pipe deflection after installation.
Watch now to learn how these simple markings help support accurate, reliable installations in the field.
Spigot stripes on the end of a pipe are used as a homing guide duri...