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Multi Door Type

The Multi-Door Non-Return Valve (also known as a multi-door check valve) is designed to prevent backflow in fluid systems while providing a higher flow capacity compared to traditional single-door valves. It features multiple hinged doors that open and close based on the direction of fluid flow, ensuring that fluid only flows in one direction. This valve is commonly used in larger industrial systems, water treatment plants, irrigation systems, and pipelines with higher flow requirements.

Size: 600 MM – 1200 MM.
Materials: Cast Iron / Ductile Iron / Carbon Steel Casting.
Pressure Rating: PN-1.0 & 1.6
Operating: Automatic.

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Features of Multi-Door Non-Return Valve:
  1. Multiple Hinged Doors:
    • Equipped with several doors that open and close based on the direction of flow, improving the valve’s efficiency in handling higher flow rates.
  2. Automatic Operation:
    • The valve operates without external power, relying on fluid flow to open and close the doors.
  3. Durable Construction:
    • Made from high-quality materials such as cast iron, ductile iron, stainless steel, or bronze to ensure long-term durability and corrosion resistance.
  4. Bidirectional Flow Handling:
    • Allows multiple doors to open simultaneously, managing larger volumes of fluid more effectively.
  5. Minimal Pressure Drop:
    • Designed to minimize flow resistance when open, ensuring smooth fluid movement.
Advantages of Multi-Door Non-Return Valve:
  • High Flow Capacity: Ideal for larger systems with higher flow rates, providing more effective backflow prevention.
  • Prevents Backflow: Protects equipment and infrastructure from reverse fluid flow, which can cause damage.
  • Automatic and Reliable Operation: Operates automatically with no need for external power sources, reducing maintenance requirements.
  • Durable and Long-Lasting: Constructed with corrosion-resistant materials to ensure reliability in harsh environments.
  • Efficient Flow Management: Ensures smooth fluid flow with minimal pressure drop and resistance when open.
  • Low Maintenance: The valve’s simple design ensures minimal servicing, reducing operational costs and downtime.

The Multi-Door Non-Return Valve is an essential component for larger pipeline systems, ensuring effective and efficient backflow prevention while handling higher flow rates.