Butterfly Valves

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Frequently asked questions

A butterfly valve is a type of quarter-turn valve that uses a rotating disk to control the flow of liquids or gases. It is commonly used in applications requiring compact design and efficient operation.

The valve operates by rotating a disk within the flow path. Turning the valve's handle or actuator rotates the disk to open, partially close, or completely shut off flow.

  • Wafer Style: Installed between pipe flanges with tight seals.
  • Lug Style: Features threaded inserts for secure mounting.
  • Double Offset (High-Performance): Provides better sealing for higher pressures.
  • Triple Offset: Designed for high-pressure, high-temperature environments.
  • Butterfly valves can be constructed from materials such as stainless steel, cast iron, carbon steel, and high-performance plastics. The choice of material depends on the application, pressure, and media (e.g., water, gas, chemicals).

  • Compact and lightweight design.
  • Cost-effective compared to other valve types.
  • Quick and easy operation.
  • Versatile for a variety of applications and industries.
  • Butterfly valves are used in industries like water treatment, oil and gas, chemical processing, HVAC, food and beverage, and pharmaceuticals.

    Yes, especially double-offset and triple-offset butterfly valves, which are designed to handle higher pressures and temperatures.

  • Wafer: Sandwiched between two pipe flanges and held in place by bolts.
  • Lug: Features threaded inserts and can be used in end-of-line service.
  • Consider factors such as:

    • Type of media (liquid, gas, or slurry).
    • Operating pressure and temperature.
    • Desired flow control or isolation needs.
    • Compatibility with existing piping and equipment.

    Yes, butterfly valves have fewer moving parts, making them easy to maintain and repair. Regular inspection and cleaning will ensure long-term reliability.