Flow Control Valves – What Are They And How Do They Work?!

Flow Control ValvesFlow Control Valves

A flow control valve control the flow or pressure of a fluid. These valves usually respond to signals generated by independent devices such as flow meters or temperature gauges. Control valves are usually fitted with actuators and positioners.

Pneumatically-actuated globe valves and Diaphragm Valves are commonly used for control purposes in many industries, despite that quarter-turn types such as ball, gate and butterfly valves are also used.

Flow control valves are also used to regulate extending or retracting speed of hydraulic or pneumatic cylinders. In reality it is harder to control speed of air cylinder because of air being compressible. If fine speed control is required for pneumatic circuits, it is recommended that you should use air over oil circuit to do that.

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