Ductile Iron Swing Check Valve 3000LB-4500LB Pressure Rating for Water Oil Gas Pipelines
This automatic swing check valve prevents medium backflow in water, oil, and gas pipelines. Constructed from durable ductile iron with anti-corrosion coating, it provides reliable one-way flow control for industrial applications.
| Attribute | Specification |
|---|---|
| Pressure Rating | 150/300/600/900/1500/2500/3000/4500LB |
| Temperature Range | 600-900°C |
| Connection Type | Flanged |
| Body Material | Ductile Iron |
| Operation | Automatic |
| Applications | General, Oil & Gas, Petrochemical, Chemical Industry, Water & Wastewater, HVAC |
| Warranty | 18 months |
The valve features a rotating disc that opens with forward flow and automatically closes with reverse flow using gravity and medium pressure. This prevents backflow and protects pipeline systems from damage.
- Large diameter compatibility (DN50 and above)
- Low flow resistance for efficient operation
- Reliable sealing with large contact area
- Corrosion-resistant ductile iron construction
- Automatic operation requiring no external power
Installed at pump outlets to prevent water hammer effect and protect pump impellers from backflow damage in community water supply and industrial cooling systems.
Ideal for municipal water pipelines and long-distance oil pipelines where large flow volumes require reliable backflow prevention.
Suitable for steam condensate management in thermal power plants and industrial processing facilities.
Available with OEM, ODM, and OBM customization options. Packaged in protective wood boxes for secure shipping and handling.
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