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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.
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.
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.
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.
- Reduced Vibration
- Low Noise Levels
- Bubble Tight Shut Off