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Ductile Iron Wafer Check Valve Dual Plate

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December 04, 2025
Kategoria połączenia: Zawór ręczny
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Znaków:
#Zawór zwrotny klapowy #zasuwa kołnierzowa #Zawór kulowy z kołnierzem
Brief: Want to know how the SONGO Ductile Iron Wafer Check Valve ensures reliable backflow prevention? In this video, we walk you through its compact dual-plate butterfly design, demonstrate how it operates under forward and reverse flow conditions, and show its installation in various pipe layouts for water treatment, HVAC, and petrochemical systems.
Related Product Features:
  • Compact wafer design saves space and is ideal for narrow installation environments.
  • Butterfly-shaped dual-plate structure rotates on a central axis for efficient opening and closing.
  • Low fluid resistance when open, which helps save system energy consumption.
  • Spring-assisted closure reduces water hammer caused by medium backflow.
  • Suitable for horizontal or vertical installation to fit different pipe layouts.
  • Simple structure allows for easy disassembly and cleaning, lowering maintenance costs.
  • Constructed with durable materials like ductile iron body and stainless steel components.
  • Widely used in water treatment, HVAC, petrochemical, and seawater applications.
Pytania:
  • What materials are used in the construction of the dual plate wafer check valve?
    The valve body is made from ductile iron, WCB, or CF8; the plates are ductile iron with nickel, WCB, or CF8; and key components like the spring, hinge pin, and stop pin are stainless steel for durability and corrosion resistance.
  • How does the valve prevent backflow in the pipeline?
    When medium flows forward, fluid pressure opens the dual plates; during reverse flow, the spring force and reverse pressure quickly close the plates to block backflow, protecting equipment and pipelines.
  • Can this check valve be installed in both horizontal and vertical orientations?
    Yes, the valve is designed for flexible installation in horizontal or vertical pipe layouts, making it adaptable to various system requirements.
  • What are the benefits of the wafer design?
    The wafer design is compact, occupies minimal space, reduces weight, and is easier to install in constrained environments compared to traditional check valves.
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