Double Disc Check Valve

Technical Specifications
- Design & Manufacturing Standard: API 6D / API 594  
- Face-to-Face Standard: API 6D / ASME B16.10  
- Flanged Ends Standard: ASME B16.5 / ASME B16.47  
- Testing & Inspection Standard: API 598 / API 6D  
- Body Material: Carbon Steel, Stainless Steel, Alloy Steel, Monel, Duplex, Inconel  
- Size Range: 1/2" – 48"  
- Pressure Rating: Class 150 – Class 2500  
- End Connection: RF, RTJ  
- Working Temperature: -196℃ to +560℃  

Key Features
1. Compact and Space-Saving Design
The Double Disc Check Valve features a one-piece body design with a short face-to-face dimension, making it a compact and lightweight solution. This structure simplifies installation and maintenance while reducing the overall footprint in a piping system.

2. Reliable Tightness and Performance
Built with precision and high-quality materials, the Double Disc Check Valve ensures good sealing performance. Its design relatively small leakage, enhancing the efficiency of fluid control systems across various industries.

3. Rapid Closure for Backflow Prevention
The valve's spring-loaded dual-disc mechanism allows for quick and automatic closure, preventing the risk of backflow. This feature is especially important in applications where fluid direction changes abruptly, helping to maintain system stability.

4. Reduced Water Hammer Effect
A major advantage of the Double Disc Check Valve is its ability to minimize water hammer, a phenomenon that can cause damage to piping systems. The smooth and controlled closing action of the discs reduces impact forces, ensuring the longevity of both the valve and connected pipelines.

5. Low Fluid Resistance for Enhanced Efficiency
Designed with a smooth fluid passageway, the Double Disc Check Valve offers smallest resistance to flow. This characteristic contributes to higher energy efficiency, reducing operational costs in industries where fluid flow optimization is critical.

6. Versatile Installation Options
The Double Disc Check Valve can be installed in both horizontal and vertical pipelines, making it a flexible choice for different system configurations. Whether in a high-pressure or high-temperature environment, this valve maintains reliable operation.

7. Wide Material Compatibility
Manufactured using a variety of materials, including carbon steel, stainless steel, and high-performance alloys, the Double Disc Check Valve is suitable for a range of industries. This includes oil and gas, petrochemical, power generation, and water treatment sectors.

Applications
Due to its robust design and operational efficiency, the Double Disc Check Valve is widely used in multiple industries, including:
- Oil & Gas: Ensuring backflow prevention in high-pressure pipelines.
- Chemical Processing: Offering corrosion resistance in aggressive fluid environments.
- Power Plants: Enhancing safety in steam and cooling water systems.
- Water Treatment: Maintaining consistent flow in potable and wastewater systems.
- Marine & Shipbuilding: Providing reliability in seawater and fuel transfer lines.

The Double Disc Check Valve is ideal choice for applications requiring reliable, quick-closing, and low-maintenance backflow prevention. With its compact design, good sealing performance, and reduced water hammer effect, this valve enhances the efficiency and safety of piping systems. Its ability to handle a wide range of temperatures and pressures, along with its compatibility with various materials, ensures long-term service across industries. Whether for new installations or system upgrades, the Double Disc Check Valve delivers best performance and durability in demanding environments.