Ball valves are widely used in various industries for their reliability and efficiency in controlling the flow of liquids and gases. A ball valve is a flow control device that uses a hollow, perforated, and pivoting ball to regulate the flow through it. The valve is open when the ball's hole is in line with the flow, and it closes when the ball is pivoted 90 degrees by the valve handle.
The ball valve working principle is straightforward. When the valve handle is turned, the ball rotates to open or close the flow. In the open position, the hollow ball allows fluid to pass through, while in the closed position, the ball blocks the flow. This simple mechanism provides a reliable and leak-proof sealing.
Below is a diagram illustrating the main components of a ball valve:
It is important to know the five main ball valve parts to understand the working principle of a ball valve. The diagram of the ball valve in Figure 2 shows these five main components.
O-rings (B): O-rings on the valve's seat help prevent leakage.
Housing (C): The housing supports all the valve's inside components and protects them from application and environmental conditions.
Ball (D): The ball has a hollow bore through which fluid can flow when the valve is opened.
Ball valves come in various types, each suited for different applications:
Ball valves are used in a variety of applications due to their durability and reliability. They are commonly found in:
Some of the key benefits of using ball valves include:
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