How to Choose Trunnion Mounted vs Floating Ball Valve

Ball valves are used in various industries to control the flow of liquids or gases. When it comes to ball valves, two common types are trunnion mounted and floating ball valves. Each type has its own set of advantages and applications. If you're wondering how to choose between trunnion mounted and floating ball valves, read on to learn more about the differences and factors to consider.

Trunnion Mounted Ball Valve.

Trunnion mounted ball valves are designed with a stationary lower ball and a floating upper ball that is held in place by a trunnion. This design allows for greater stability and improved performance in high-pressure or high-temperature applications. Trunnion mounted ball valves are often used in pipelines that require tight shut-off and reliable operation.

One of the key advantages of trunnion mounted ball valves is their ability to handle higher pressures and larger valve sizes. These valves are ideal for applications where safety and performance are top priorities. Additionally, trunnion mounted ball valves are more resistant to wear and are less prone to leakage, making them a reliable choice for critical applications.

Floating Ball Valve.

Floating ball valves, on the other hand, have a ball that floats between the inlet and outlet ports. This design allows for greater freedom of movement and lower torque requirements compared to trunnion mounted ball valves. Floating ball valves are commonly used in applications where tight shut-off is not as critical and lower pressures are involved.

Floating ball valves are typically more compact and lighter in weight compared to trunnion mounted ball valves. They are also easier to operate and maintain, making them a cost-effective option for less demanding applications. While floating ball valves may not have the same pressure and temperature capabilities as trunnion mounted ball valves, they are suitable for a wide range of industries and applications.

Factors to Consider.

When choosing between trunnion mounted and floating ball valves, there are several factors to consider:

1. Application: Consider the specific requirements of your application, including pressure, temperature, flow rate, and the importance of tight shut-off.

2. Size: Trunnion mounted ball valves are available in larger sizes and can handle higher pressures, while floating ball valves are more compact and lightweight.

3. Maintenance: Consider the ease of maintenance and operation, as well as the long-term reliability of the valve.

4. Cost: Evaluate the initial cost and long-term cost of ownership, including installation, maintenance, and potential downtime.

Conclusion.

In conclusion, when choosing between trunnion mounted and floating ball valves, it's essential to consider the specific requirements of your application and weigh the advantages and disadvantages of each type. Trunnion mounted ball valves are ideal for high-pressure and critical applications, while floating ball valves are a cost-effective option for less demanding applications. By understanding the differences between these two types of ball valves, you can make an informed decision that meets your operational needs.

Contact us if you need assistance in selecting the right ball valve for your application.

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