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Which valve is used as control valve?

Published in Valve Types 2 mins read

Based on the provided reference, Ball valves are used for controlling the flow of fluid.

Understanding Flow Control with Ball Valves

The provided reference specifically highlights the role of Ball valves in managing the flow of fluids.

Key Features of Ball Valves for Flow Control

According to the reference, Ball valves possess several characteristics that make them suitable for flow control applications:

  • Rotary Motion: They utilize a rotary motion for operation, a key mechanism for opening or closing the flow path.
  • Flow Control: Their fundamental function, as stated, is to control the flow of fluid.
  • Simple Design & Low Cost: The reference notes their simple design and relatively low cost, contributing to their widespread use.
  • Directional Flow: They are indicated as being "best for controlling flow in one direction."

These features collectively position ball valves as a practical and popular choice for various flow control tasks in systems. Their ability to quickly open or close using a rotary action provides effective control over fluid movement.

Operation of Ball Valves

The control mechanism of a ball valve involves rotating a spherical ball located within the valve body. This ball has a bore (hole) passing through it. When the bore is aligned with the flow path, the valve is open, allowing fluid to pass. When the ball is rotated 90 degrees, the bore is perpendicular to the flow path, blocking the flow and closing the valve. This simple, quarter-turn operation contributes to their efficiency in controlling flow.

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