4″ Schedule 80 PVC Pipe – 18″ Length, 320 PSI

Upgrade your industrial plumbing with this 4‑inch Schedule 80 PVC pipe, engineered for high‑pressure applications. The heavy‑duty wall thickness delivers a maximum working pressure of 320 PSI, outperforming standard Schedule 40 PVC and ensuring reliable performance under demanding conditions.

With a 4.5‑inch outer diameter and 3.826‑inch inner diameter, this pipe maintains the standard 4‑inch nominal size, guaranteeing seamless compatibility with common Schedule 80 fittings and connectors. The 18‑inch length offers a convenient, ready‑to‑install segment for quick system upgrades or repairs.