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What is the difference between a butterfly valve and a sanitary ball valve?

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Valves are used in almost every industrial process. Their purpose is to control the flow of liquids and gases. The valve’s design can have a major impact on how the system operates. Two of the most commonly used valves are the butterfly valve and the ball valve.

In this blog, we’ll discuss the differences between the butterfly valve and the ball valve.

Butterfly valve

Butterfly valves are quarter-turn rotational valves that are used to start, stop, and regulate the flow of fluid in a pipeline. They consist of a disc mounted on a shaft that is positioned in the center of the pipe. When the valve is closed, the disc is perpendicular to the flow and blocks it. When the valve is open, the disc is parallel to the flow and allows it to pass through.

Butterfly valves are named for the way the disc resembles a butterfly when the valve is open. They are available in a variety of sizes and materials and are suitable for a wide range of applications. They are often used in HVAC systems, water treatment plants, and other industrial applications.

Ball valve

Ball valves are quarter-turn rotational valves that are used to start, stop, and regulate the flow of fluid in a pipeline. They consist of a ball with a hole through the center that is mounted on a shaft. When the valve is closed, the ball is perpendicular to the flow and blocks it. When the valve is open, the ball is parallel to the flow and allows it to pass through.

Ball valves are named for the shape of the disc inside the valve. They are available in a variety of sizes and materials and are suitable for a wide range of applications. They are often used in HVAC systems, water treatment plants, and other industrial applications.

Butterfly valve vs ball valve

Butterfly valves and ball valves are both quarter-turn rotational valves that are used to start, stop, and regulate the flow of fluid in a pipeline. However, there are some key differences between the two types of valves.

Design

One of the main differences between butterfly valves and ball valves is their design. Butterfly valves have a disc mounted on a shaft that is positioned in the center of the pipe. When the valve is closed, the disc is perpendicular to the flow and blocks it. When the valve is open, the disc is parallel to the flow and allows it to pass through.

Ball valves, on the other hand, have a ball with a hole through the center that is mounted on a shaft. When the valve is closed, the ball is perpendicular to the flow and blocks it. When the valve is open, the ball is parallel to the flow and allows it to pass through.

Flow control

Another difference between butterfly valves and ball valves is their ability to control the flow of fluid. Butterfly valves are designed to regulate the flow of fluid, while ball valves are designed to start and stop the flow of fluid.

Butterfly valves have a disc that can be partially opened to control the flow of fluid. This makes them ideal for applications where the flow needs to be regulated, such as in HVAC systems and water treatment plants.

Ball valves, on the other hand, have a ball that can be fully opened or fully closed. This makes them ideal for applications where the flow needs to be started and stopped, such as in industrial applications.

Size

Butterfly valves and ball valves are available in a variety of sizes. However, butterfly valves are typically larger than ball valves. This is because the disc in a butterfly valve needs to be larger than the ball in a ball valve to allow for proper flow.

Butterfly valves are typically used in larger pipelines, while ball valves are used in smaller pipelines.

Applications

Butterfly valves and ball valves are suitable for a wide range of applications. However, they are used in different types of applications.

Butterfly valves are often used in HVAC systems, water treatment plants, and other industrial applications. They are ideal for applications where the flow needs to be regulated.

Ball valves are often used in industrial applications, such as oil and gas pipelines. They are ideal for applications where the flow needs to be started and stopped.

Cost

Butterfly valves and ball valves are both available in a variety of materials and sizes. However, butterfly valves are typically less expensive than ball valves.

This is because butterfly valves are simpler in design and have fewer moving parts. They are also easier to install and maintain.

Conclusion

Butterfly valves and ball valves are both quarter-turn rotational valves that are used to start, stop, and regulate the flow of fluid in a pipeline. However, there are some key differences between the two types of valves. Butterfly valves are designed to regulate the flow of fluid, while ball valves are designed to start and stop the flow of fluid. Butterfly valves are typically larger than ball valves and are used in larger pipelines. They are also less expensive than ball valves.

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