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Butterfly Valves

Worm Gear Operated Wafer Butterfly Valve

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Overview:

The Worm Gear Operated Wafer Butterfly Valve is a manually operated valve designed for precise flow control in various industrial applications. Its compact wafer-style body makes it suitable for installations between flanges, while the worm gear mechanism provides smooth and controlled valve operation.

Product Features:

  1. Wafer-Style Design:
    • Space-Saving: The wafer body allows the valve to be installed between pipe flanges, making it compact and ideal for confined spaces.
    • Easy Installation: Compatible with multiple flange standards such as ANSI, DIN, and JIS without the need for additional modifications.
  2. Worm Gear Operation:
    • Smooth Operation: The worm gear actuator allows for precise control and easy manual operation of the valve with minimal effort.
    • Lockable Handle: The gear mechanism provides a lockable position to ensure the valve remains securely in place during operation.
    • Slow Rotation: Provides controlled rotation of the valve disc, which is ideal for situations where gradual flow control is required.
  3. Quarter-Turn Valve:
    • 90-Degree Operation: The valve requires only a quarter turn to move from fully open to fully closed, allowing for quick and efficient flow control.
    • Reduced Wear: The worm gear reduces the effort required to operate the valve, minimizing wear on the moving parts and extending the valve’s lifespan.
  4. Resilient Sealing:
    • Tight Shut-Off: The valve features soft seals such as PTFE, EPDM, or NBR, providing reliable sealing even in demanding conditions.
    • Leak-Proof Design: Designed for zero leakage, ensuring fluid containment and preventing media loss.
  5. Durable Construction:
    • Material Options: Available in a variety of materials including ductile iron, carbon steel, and stainless steel to accommodate different fluid types and environmental conditions.
    • Corrosion Resistance: Suitable for use in corrosive environments when constructed from corrosion-resistant materials like stainless steel or with special coatings.
    • Disc Options: The valve disc can be made of stainless steel, aluminum bronze, or other materials to suit specific applications.
  6. High Flow Efficiency:
    • Minimal Flow Resistance: The streamlined design of the valve disc minimizes turbulence and allows for efficient flow with a low-pressure drop.
    • Bidirectional Flow Capability: The valve can manage fluid flow in either direction, providing greater flexibility in system design.
  7. Pressure and Temperature Ratings:
    • Pressure Range: Typically rated for PN10 to PN16 or higher, with options available to suit high-pressure applications.
    • Temperature Handling: Capable of handling a broad range of temperatures, depending on materials, typically from -20°C to 200°C.
  8. Low Maintenance:
    • Durable Components: The worm gear mechanism and the valve itself are built to require minimal maintenance, ensuring long-term, trouble-free operation.
  9. Wide Range of Sizes:
    • Size Range: Available in sizes from DN40 to DN1200, making it versatile enough for a wide range of applications and pipeline sizes.

Applications:

  • Water Treatment: Used in water distribution and treatment systems to control flow and shut off sections for maintenance.
  • HVAC Systems: Provides reliable flow regulation in heating, ventilation, and air conditioning systems.
  • Chemical Processing: Suitable for handling various chemicals, especially when constructed with corrosion-resistant materials.
  • Oil & Gas: Utilized in pipelines to manage the flow of hydrocarbons, gases, or other fluids under pressure.
  • Food and Beverage Industry: When made from stainless steel, this valve is suitable for sanitary applications and food-grade processes.
  • Power Plants: Used for controlling steam or cooling water in energy generation systems.

Advantages:

  • Manual Precision: The worm gear system allows for precise control of fluid flow with minimal effort.
  • Compact Design: The wafer-style construction saves space and makes it easier to install in tight areas.
  • Reliable Sealing: Provides effective shut-off and ensures leak-proof performance in both low and high-pressure systems.
  • High Durability: Designed to last in harsh industrial environments with minimal maintenance needs.
  • Versatile Application: Suitable for a wide range of fluids, including water, steam, oil, gases, and chemicals.

Conclusion:

The Worm Gear Operated Wafer Butterfly Valve is a durable, reliable, and efficient valve solution for industries requiring precise flow control. Its worm gear mechanism offers easy and smooth operation, while its wafer design provides a compact and economical option for pipeline installations. With its robust construction, excellent sealing performance, and suitability for various fluids, this valve is ideal for use in water treatment, chemical processing, HVAC, and many other industrial systems.

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