Ductile Iron Valve Casting - High Sealing Precision for Water Supply, Petrochemical & HVAC Pipeline Systems
Our ductile iron valve castings are engineered with premium nodular cast iron materials (EN-GJS 400-18, ASTM A536) for industrial fluid control systems, combining exceptional strength and ductility for reliable performance in demanding applications.
Advanced Material Properties
The advanced casting process ensures uniform nodularity (≥85%) and dense microstructure, eliminating porosity and shrinkage to guarantee reliable sealing performance. These castings deliver superior mechanical properties for long-term operational stability.
Property
Specification
Tensile Strength
400-600MPa
Elongation Rate
≥12%
Pressure Rating
Up to 25MPa
Temperature Range
-20℃ to 300℃
Dimensional Tolerance
±0.05mm
Key Features & Benefits
Excellent corrosion resistance against water, oil, and mild chemical media
Precise dimensional tolerance ensures perfect compatibility with valve assemblies
Smooth inner walls reduce fluid resistance and minimize pressure drop
Robust structure withstands long-term wear and mechanical impact
Comprehensive quality assurance with non-destructive testing (UT, MT) and pressure testing
Industry Applications
Widely applied in municipal water supply and drainage, petrochemical, oil and gas, HVAC, and wastewater treatment industries. Ideal for gate valves, globe valves, check valves, and butterfly valves, these castings regulate fluid flow in pipelines for residential, commercial, and industrial infrastructure.
Customization & Standards Compliance
We offer customizable sizes (DN15-DN400) and configurations, tailored to specific pipeline pressure and medium requirements. All products comply with ISO, ASTM, and DIN standards, ensuring international quality and reliability.
Quality Assurance: Every casting undergoes rigorous non-destructive testing and pressure testing to meet the highest industry standards for performance and durability.