Swing Check Valve

Technical Specifications
- Design & Manufacturing Standard: API 6D / BS 1868  
- Face-to-Face Standard: API 6D / ASME B16.10  
- Flanged Ends Standard: ASME B16.5 / ASME B16.47 / ASME B16.25  
- Testing & Inspection Standard: API 598  
- Size Range: 1/2" to 60"  
- Pressure Rating: Class 150 to Class 2500  
- Body Material: Carbon Steel, Stainless Steel, Alloy Steel, Monel, Duplex, Inconel  
- End Connection: RF, RTJ, BW  
- Operating Temperature: -196℃ to +560℃  

Key Advantages
1. Automatic Operation  
   The Swing Check Valve functions independently without requiring manual intervention. The valve disc swings open when the medium flows in the intended direction and automatically closes when flow reverses, ensuring an uninterrupted and efficient process.

2. Prevents Backflow and Equipment Damage  
   By effectively preventing backflow, the Swing Check Valve safeguards pumps, motors, and other equipment from damage caused by reverse flow. This enhances the longevity of the system and reduces maintenance costs.

3. Robust and Reliable Sealing  
   Designed with precision, the Swing Check Valve ensures tight sealing, reduced to a certain extent leakage risks. The sealing integrity is maintained even under high-pressure and high-temperature conditions.

4. Smallest Flow Resistance  
   The streamlined internal passage of the Swing Check Valve facilitates smooth fluid flow, reducing resistance and enhancing overall system efficiency. This design relatively small pressure loss and optimizes performance.

5. Low Water Hammer Effect  
   The rapid yet controlled closing mechanism of the Swing Check Valve relatively small water hammer impact. This feature is crucial for protecting pipeline systems from pressure surges and structural damage.

Design Features
1. Bolted Cover and Pressure Self-Sealing Cover Options  
   The Swing Check Valve is available with both bolted and pressure self-sealing covers, offering flexibility in design for different applications and pressure requirements.

2. Swing Type Disc for Enhanced Performance  
   The swing-type disc ensures reliable and smooth operation, providing an efficient flow control mechanism.

3. Optional Damping Cylinder Design  
   The Swing Check Valve can be equipped with a damping cylinder, allowing for controlled and gradual closing, further reducing the risk of water hammer.

4. Compact and Durable Structure  
   Built for long-term use, the Swing Check Valve features a compact and well-engineered structure, ensuring reliable performance even in demanding conditions.

5. Rapid and Flexible Closing Mechanism  
   The disc of the Swing Check Valve responds swiftly to flow direction changes, ensuring prompt closure while maintaining flexibility for efficient operation.

Applications
The Swing Check Valve is widely used in various industries, including:
- Oil & Gas: Ensures flow control and prevents backflow in critical pipeline systems.
- Water Treatment: Provides reliable performance in water distribution and treatment facilities.
- Power Plants: Protects pumps and turbines from reverse flow damage.
- Chemical Processing: Handles aggressive and high-temperature fluids efficiently.

The Swing Check Valve is an essential component in pipeline systems, providing automatic, reliable, and efficient flow control. Its good sealing performance, smallest flow resistance, and ability to prevent backflow make it ideal choice for a wide range of industries. Whether for high-pressure or high-temperature applications, the Swing Check Valve offers a durable and effective solution for maintaining smooth and safe pipeline operations.