What is Ductile Iron Air Valve?
Ductile Iron Air Valve is an essential part of a plumbing system designed to release trapped air. component of a plumbing system designed to release trapped air, prevent air bubbles and improve system efficiency. Built of high-strength steel, this component offers durability, corrosion resistance, and high level performance of mechanical properties, making it ideal for water, wastewater, and industrial applications.

What is the difference between cast iron and ductile iron valves?
In this demanding environment, because of the superior ability performance, people tend to choose ductile iron valves over the traditional iron valves. Their main ability advantage is that they can endure extreme pressures without fracturing, which makes them them perfect for applications in water distribution, sewage treatment, and industrial fluid systems. Unlike cast iron, which is brittle and breaks easily under pressure, ductile iron has a unique microstructure that allows it to absorb impact forces, reducing the likelihood of catastrophic failure.
Additionally, ductile iron valves are very flexible, this ability can minimize the risk of cracking due to variation of unstable temperature changes. This flexibility provides and increases service life and have a profit in reducing maintenance costs over time. Also ductile iron vales has a corrosion resistance feature. Even though both materials can be coated for added protection, ductile iron naturally exhibits superior resistance to rust and environmental damage, making it suitable for use in harsh and unstable conditions.
For the installation system, it is easier to work with ductile iron valves because their weight is lighter compared to cast iron. This means that it is beneficial as it can lower transportation costs and reduced installation work labor. In addition, the ability to manifacture complex valve designs with ductile iron allows for greater customization to meet specific industry needs. No matter that it has to be used in municipal infrastructure, industrial processes, or high-pressure fluid control systems, ductile iron valves offer unmatched reliability, efficiency, and durability, making them an excellent choice for superior investment for long-term performance.
Features
- High-Strength Steel: Our products material are from ductile steel that have high level strength and toughness.
- Corrosion Resistant: To ensure our products strength and durability, our products are coated with epoxy resin.
- Proper Ventilation: We ensure air accumulation.
- Packaging Convenience: To prevent leakage we equip our product with rubber gasket.
- Customizable Sizes Available: Sizes can be customized based on requirements.
Applications
- Municipal water supply systems
- Sewage and wastewater treatment plants
- Irrigation networks
- Industrial fluid systems
- Fire protection pipelines
Our Advantage
- OEM & Customization: We accept orders of specific requirements.
- Strict Quality Control: Every valve have gotten through under a strict and high requirements testing of performance and accuracy.
- Competitive Pricing: Always ensure cost-effectiveness by providing factory-direct price.
- Efficient Delivery: Fast and affordable effective delivery system.
- Professional Support: Field experienced technical support.
Specification
Parameter | Specification |
Material | Ductile Iron |
Coat | Epoxy Resin |
Type of connection | Flanged, Threaded |
Rate of pressure | PN10, PN16, PN25 |
Range of size | DN50 – DN600 |
Temperature | -10°C to 80°C |
Tips
- Make sure the installation is proper to prevent leaks and system misuse.
- Regular maintenance and inspection are recommended to increase longevity.
- Pick the appropriate pressure value according to the system requirements.
- Avoid over tightening the valve above its rated limits.
Packaging, Shipping, Price and Payment Information
- Packaging: Standard export made out of wood cases or customized packaging.
- Shipping: Available via sea, air, or express delivery.
- Price: We offer compatible price (based on order quantity)
- Payment Terms: T/T, L/C, Western Union, or negotiable terms.
Company Information
As a leading ductile iron air valve manufacturer in China, we specialize in producing high-quality valves with advanced manufacturing technology and strict quality control. With years of industry experience, we provide reliable and cost-effective solutions for global clients in water supply, industrial applications, and infrastructure projects. Our commitment to innovation and customer satisfaction sets us apart in the industry.
Contact us for more information about special inquiries request and customized orders.