
Durable Pressure Pn25 Flanged Ductile Iron Pipe for Industrial Effluent Discharge. 50+ Year Service Life: Ductile iron material ensures durability exceeding 50 years in various environments. Customized Dimensions: Available in sizes DN80-DN2600 with customizable length and specific shapes based on user needs. Fast Installation: Standardized flange hole spacing increases construction efficiency by over 60% compared to welded pipes. Versatile Coating Options: Internal linings include cement mortar and epoxy; external coatings include zinc spray and bitumen paint. Seismic Resistance: Suitable for high saline-alkali soil and vibration-sensitive areas with seismic resistance level 8. Third-Party Inspection: All products undergo 100% high-pressure water testing and accept third-party quality inspections.