V - Type Ball Valve: Precision Flow Control for Diverse Applications

2025-06-21

In the realm of industrial valves, the V - type ball valve stands out for its unique design and exceptional performance capabilities. This specialized valve has become a staple in various industries due to its ability to handle challenging media and provide precise flow regulation.

Design Features

The defining characteristic of a V - type ball valve is, as the name implies, the V - shaped notch on the ball or seat. This V - shaped geometry can come in different angles such as 15⁰, 30⁰, 45⁰, 60⁰, or 90⁰. The ball is typically a quarter - sphere, and when it rotates within the valve body, the V - notch interacts with the seat to control the flow area. The valve body can be constructed from materials like stainless steel, carbon steel, or other alloys, depending on the application requirements. The stem, which is responsible for rotating the ball, can be made of PEEK (polyether - ether - ketone) or metal, offering durability and resistance to harsh conditions.

Working Mechanism

Operation of the V - type ball valve is relatively straightforward. It can be actuated either manually, using a handle, or automatically with an actuator. When the valve is opened, the small end of the V - notch on the ball begins to expose the flow path first. As the ball rotates further, the flow area gradually increases in a linear fashion with the shaft rotation. This linear flow characteristic is a significant advantage, as it allows for very accurate control of fluid flow rates. To close the valve, the ball is rotated in the opposite direction, eventually sealing tightly against the seat. A quarter - turn of the handle or actuator is sufficient to move the valve from fully open to fully closed, or vice versa.

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