Trunnion vs. Floating: Why Trunnion Mounted Ball Valves Reign Supreme in Pipelines

Trunnion vs. Floating: Why Trunnion Mounted Ball Valves Reign Supreme in Pipelines.

When it comes to ball valves used in pipelines, there are two mounting designs available - trunnion and floating. Both options have their own pros and cons, but trunnion mounted ball valves have emerged as the preferred choice for pipeline applications. In this article, we will explore the reasons behind this preference and what it means for the industry.

The trunnion mounted ball valve design features support from two seats, located on both ends of the valve. This additional support ensures stability and prevents the ball from shifting or floating, even at high pressures. On the other hand, the floating ball valve relies on one seat located at the top of the valve, allowing the ball to float as needed. While this design is sufficient for low-pressure applications, it can cause problems at higher pressures, such as ball movement or impeded flow.

The superiority of trunnion mounted ball valves in pipeline applications has been proven through various testing, certification, and industry standards. For example, API 6D certification requires that pipeline valves pass rigorous testing to ensure reliable performance at high pressures and temperatures. Trunnion mounted ball valves meet these requirements and outshine floating ball valves in performance and endurance.

Moreover, trunnion mounted ball valves have additional features that make them even more appealing for pipeline applications. For instance, their design allows for maintenance and repairs without having to remove the valve from the pipeline. Additionally, trunnion mounted ball valves offer better sealing, which means less leakage and more efficient control over fluid flow.

In conclusion, trunnion mounted ball valves are the preferred choice for pipelines due to their superior design, testing certifications, and additional features. Using these valves can prevent costly downtime and repairs while ensuring safe and efficient performance at high pressures and temperatures. When it comes to pipeline operations, it's important to choose a reliable and proven solution, and trunnion mounted ball valves fit the bill.

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