This type of valve features a pivoting, dome-shaped closure element that is offset from the centerline of the valve body. The hemispherical design provides a streamlined flow path when open, while the eccentric mounting allows the closure element to move into and out of the valve seat with minimal rubbing. This reduces wear and operating torque. An example of its application is in high-pressure, high-temperature applications within the power generation industry.
The configuration offers several advantages, including improved sealing performance, reduced wear and tear on valve components, and lower operating torque requirements. These characteristics translate to extended valve lifespan, minimized maintenance costs, and enhanced energy efficiency within the system where it is installed. Historically, its development addressed the limitations of conventional valve designs in demanding industrial processes, contributing to enhanced operational safety and reliability.
