Reliable Backflow Prevention With Quick-Connect Grooved Design
This product is an automatic check valve engineered for grooved piping systems, utilizing a swing-disc mechanism. Its defining feature is the integration of a space-saving wafer-style valve body with efficient grooved connections, enabling rapid deployment of reliable unidirectional flow control within fluid transport systems. Operating without external power, it automatically prevents reverse media flow, serving as a critical component for safeguarding pipeline integrity and preventing backflow contamination.
Description
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Products Description
Grooved Wafer Swing Check Valve
The valve assembly consists of a valve housing with precision-machined grooves, a circular disc (clapper) that swings freely on a hinge pin, and a resilient sealing element. Its operation follows a purely mechanical sequence:
Forward Flow Phase: When media flows in the indicated direction and sufficient pressure is achieved, fluid force lifts the disc from its seat, causing it to pivot open on the hinge pin. The disc aligns nearly parallel to the flow, minimizing turbulence and pressure drop.
Reverse Sealing Phase: Upon loss of inlet pressure or the onset of downstream backpressure, the disc swiftly returns to its sealed position driven by gravity, optional spring assistance (if equipped), and the reverse flow force itself. The disc presses firmly against the resilient seat, creating an effective seal that blocks the flow path.
Application & Advantages
Typical Applications
Fire Protection Sprinkler & Standpipe Systems: Installed at pump discharges or main risers to maintain system pressure and prevent water column reversal.
Commercial Building Water Supply: Used on the discharge side of booster pumps and circulation pumps to prevent backflow and pressure surges upon pump shutdown.
Industrial Process & Cooling Water Lines: Isolates circuits in cooling towers, heat exchangers, and process loops to prevent thermal or hydraulic cross-contamination.
Municipal Water & Irrigation Networks: Protects main supply qu
Superior Installation Efficiency: The grooved coupling system allows for true tool-fastened assembly, dramatically reducing installation time and total project labor costs.
Optimal Space Utilization: Its compact wafer profile requires significantly less axial space compared to flanged check valves, offering exceptional flexibility in space-constrained or retrofit applications.
Reduced Lifecycle Cost: Maintenance-friendly designs often permit in-line replacement of internal seals and the disc assembly without removing the valve body, minimizing downtime and maintenance expenses.
Quiet, Reliable Performance: Optimized disc travel and damping characteristics help mitigate slam and water hammer, enhancing system stability and longevity.
Broad System Compatibility: Designed for seamless integration into modern, modular grooved piping systems, simplifying system design and future modifications.
Installation Requirements
Flow Direction & Orientation: The arrow on the valve body must align with the intended media flow. Standard models must be installed horizontally, ensuring the disc pivot axis is level.
Upstream Flow Conditioning: Provide adequate straight pipe run upstream (typically ≥5 pipe diameters) to stabilize flow profile and ensure smooth disc operation.
Isolation from Pipe Stress: The valve shall not support pipe weight or compensate for misalignment. Adjacent piping must be independently supported to prevent stress transfer to the grooved joints.
Media Compatibility Verification: Confirm that valve body materials and internal seals are suitable for the chemical properties and continuous operating temperature of the service media.
Periodic Inspection & Testing: Incorporate visual and functional checks into routine maintenance schedules. In life-safety systems (e.g., fire protection), functional testing must adhere to relevant industry standards and codes.
OUR CERTIFICATE:
Our address
NO.8, YUANFENG ROAD, MEIYUAN VILLAGE, KANGMEI TOWN, NANAN CITY, QUANZHOU CITY, FUJIAN CHINA
Phone Number
+86 15960762930
alison@ca-fire.com
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