Understanding Trunnion Mounted Ball Valve Sizes

Understanding Trunnion Mounted Ball Valve Sizes.

Trunnion mounted ball valves are commonly used in the oil, gas and petrochemical industries. These valves are designed to handle high pressures, high temperatures, and aggressive media. Trunnion mounted ball valves come in different sizes, which are determined by the valve's diameter. Understanding trunnion mounted ball valve sizes can be essential when selecting the right valve for your application.

What are Trunnion Mounted Ball Valves?

Trunnion mounted ball valves are valves that have a ball shaped closure element that is mounted on two or more shafts, called trunnions. These trunnions support the ball and allow it to rotate. Trunnion mounted ball valves have a more robust design compared to floating ball valves which rely on the pressure to seal the valve.

Types of Trunnion Mounted Ball Valves.

Trunnion mounted ball valves come in two types: full bore and reduced bore. A full bore trunnion mounted ball valve has a ball that is the same diameter as the pipeline it is installed in. This design can offer better flow characteristics and lower pressure drop. A reduced bore trunnion mounted ball valve has a ball that has a smaller diameter than the pipeline it is installed in. This design can offer cost advantages and smaller installation envelopes.

Valve Sizes.

Trunnion mounted ball valves come in a range of sizes, with the most common being between 2 to 48 inches. Sizes larger than 48 inches are also available but are less common. Each valve size has a unique flow rate, which determines the size and selection of the valve for the application.

Specifications.

When selecting a trunnion mounted ball valve, it is essential to consider the valve's specifications. Valve specifications include several factors, such as:

- Pressure class and rating.

- End connections.

- Material of construction.

- Design standards.

Valve specifications can vary from one manufacturer to another, so it is essential to check with the manufacturer to ensure that you are selecting the right valve for your application.

Factors that Influence Valve Size Selection.

When selecting a trunnion mounted ball valve size, several factors need to be considered:

- The maximum flow rate required.

- The pipe size and diameter.

- The pipeline's length and the number of bends.

- The required pressure drop across the valve.

- The type of fluid being transported.

Contact Us.

When selecting a trunnion mounted ball valve, it is essential to work with a reliable supplier. Suppliers can provide detailed information about valve selection, sizing, and specifications to ensure that you select the correct valve. If you have any questions about valve size, contact us for assistance.

Conclusion.

Understanding trunnion mounted ball valve sizes can help guide the decision-making process when selecting the right valve for a specific application. Trunnion mounted ball valves come in different sizes and configurations, so it is essential to consider the pipeline's characteristics and the fluid properties before selecting a valve. Working with a reliable supplier can ensure that you get the right valve for your application.

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