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Anti-Noise Butterfly Valves

Cavitation is always a concern to plant operators and maintenance personnel because of reduced plant availability and profitability. Cavitation not only decreases the flow through a valve, but it also causes material damage, excessive noise, and excessive vibration. Qublock provides a specially designed “ANTI-CAVITATION” trim device for its control butterfly valve based on a careful engineering review of the process applications. Compared to a typical butterfly valve, this special anti-noise trim minimizes cavitation more efficiently and prevents operational problems.

  • Perfect Solutions for Cavitation Problems
    Qublock’s anti-cavitation trim design provides improved performance in demanding applications such as oil & gas production, oil refinery, fertilizer, ethylene, and propylene applications. Reduced vibration & cavitation, lower operating torques, and a longer valve life cycle while withstanding a high pressure drop are optimally achieved through Qublock’s low noise trim valves.
  • Special Trim Design
    Qublock’s anti-noise trim can be selected to combat the damaging effects of cavitation using an isolation or elimination technique. The Qublock trim is specially designed based on trim service conditions.
  • Tight Shut Off Performance
    Qublock provides a tight shut-off performance with the anti-noise trim design. If seat leakage occurs when a valve is closed, the fluid moves quickly from a high-pressure area to a low-pressure area, which may result in cavitation and potential damage. For this reason, a tight shut-off performance is important.
  • Qublock Special Trim Advantages
    - Reduced Vibration
    - Low Noise Levels
    - Anti-Cavitation
    - Bubble Tight Shut Off