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**Iso5211 Trunnion Mounted Ball ValveIso5211 Trunnion Mounted Ball Valve vs Traditional Ball Valve: Comparison Guide** .
Trunnion mounted ball valves and traditional ball valves are two common types of valves used in industrial applications. In this comparison guide, we will explore the key differences between these two types of valves.
**Design and Construction**.
The main difference between trunnion mounted ball valves and traditional ball valves lies in their design and construction. Trunnion mounted ball valves feature a trunnion-mounted ball supported by two lower support bearings, which allow for smooth operation and reduced wear on the valve seats. This design also makes trunnion mounted ball valves ideal for high-pressure and high-temperature applications.
On the other hand, traditional ball valves typically have a floating ball design with one or two seats that are in direct contact with the ball. This design may cause increased wear on the valve seats, especially in high-pressure applications.
**Actuation**.
Another key difference between trunnion mounted ball valves and traditional ball valves is their actuation. Trunnion mounted ball valves typically come with an ISO 5211 mounting pad, which allows for easy and direct mounting of actuators. This makes it easy to automate trunnion mounted ball valves for remote operation.
Traditional ball valves, on the other hand, may require additional mounting brackets or adapters for actuation, which can be more cumbersome and less efficient when compared to trunnion mounted ball valves.
**Sealing**.
When it comes to sealing, trunnion mounted ball valves provide better sealing performance compared to traditional ball valves. The trunnion-mounted ball design ensures that the ball is always held in place, which helps to maintain a tight seal and prevent leaks. This makes trunnion mounted ball valves suitable for applications where leakage is a concern.
Traditional ball valves, however, may experience seat deformation over time, which can lead to leakage and reduced sealing performance, especially in high-pressure applications.
**Conclusion**.
In conclusion, trunnion mounted ball valves offer several advantages over traditional ball valves in terms of design, actuation, and sealing performance. Their trunnion-mounted ball design, ISO 5211 mounting pad, and superior sealing capabilities make them a better choice for high-pressure and high-temperature applications. However, it is important to consider the specific requirements of your application before choosing between trunnion mounted ball valves and traditional ball valves.
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