Our carbon steel swing check valve is a self-actuated solution for reliable backflow prevention. While not a traditional control valve, its critical function is to allow fluid to flow in one direction while automatically preventing it from flowing back. This valve is an essential component for protecting your system, ensuring fluid integrity and safeguarding equipment from the damaging effects of reverse flow.
How It Works: Automated Protection
The swing check valve operates on a simple and effective principle.
- Effortless Forward Flow: When fluid flows in the correct direction, its pressure pushes the internal disc open, allowing for a clear and unrestricted path.
- Automatic Shut-Off: When flow stops or reverses, the weight of the disc and the back pressure from the fluid immediately swing the disc back onto its seat. This automatic action provides a secure seal, preventing backflow and protecting your system from potential damage and water hammer.
- This design is ideal for real-world applications like preventing backflow into a pump or an injection line.
Key Features
- Robust Construction: The high-quality cast and precision-machined body and cover are designed to prevent stress concentration, ensuring long-term reliability in demanding industrial environments.
- Simple & Effective: With few moving parts, the design is straightforward yet highly effective. It requires no external power or manual intervention to operate.
- Minimal Flow Resistance: The valve's unobstructed passageway provides a full-opening when required, which minimizes pressure drop and improves system efficiency.
- Water Hammer Prevention: The swing-type disc provides rapid and flexible closing action. This swift closing, combined with the option of a Damping Cylinder, helps to minimize closing impact and prevent water hammer.
Product Specifications
Body Material: Carbon steel, stainless steel, alloy steel
Nominal Diameter: 1/2" to 60" (DN15 to DN1500)
Pressure Range: Class 150 to 2500 (PN10 to PN420)
End Connection: RF (Raised Face), RTJ (Ring Type Joint), BW (Butt Weld)
Working Temperature: -196°C to +560°C
Our valves are designed and tested to the highest standards, including API 6D, ASME B16.34, and GB/T 12236, guaranteeing you a product you can trust.
