Premium OEM Prestressed Protection Spiral Duct Corrugated Pipe

Durable galvanized steel construction with precision spiral ribbing for enhanced structural integrity and corrosion resistance. Engineered for optimal load distribution in prestressed concrete bridge applications.

Advanced seamless corrugation technology ensures superior flexibility and crack prevention under high tension. Hot-dip galvanized coating provides long-term protection against harsh weather and chemical exposure.

Ideal for infrastructure projects requiring reliable ductwork in bridges, tunnels, and heavy-load civil engineering structures. Compatible with post-tensioning systems for reinforced concrete.

Factory-direct pricing with bulk order discounts available. Global shipping with guaranteed lowest wholesale rates. Custom specifications accepted for large-scale construction contracts.