Air Flow Control Valve Operation

Flow control valves are used to reduce the rate of flow in a section of a pneumatic circuit resulting in a slower actuator speed. In automatic control terminology a control valve is termed a final control element. They create two actions and have two exhaust ports which allows you to control the speed of each action by attaching a flow control valve to each exhaust port.

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Simple installation and commissioning.

Air flow control valve operation.

Unlike a needle valve a flow control valve regulates air flow in only one direction allowing free flow in the opposite direction. These valves close all ports in the off position to stop equipment in a locked position with air pressure holding it in place. Often used to extend and then retract a cylinder at different speeds they create two actions and have two exhaust ports which allows you to control the speed of each action by attaching a flow control valve to each exhaust port. Designed for continuous operation particularly suitable for variable duties.

Balanced spool and sleeve design with easy operation regardless of system pressure. This enables the direct control of flow rate and the consequential control of process quantities such as pressure temperature and liquid level. Due to the free central flow design and automatic self cleaning feature of the segment edges during valve operation flushing connections are provided. Also known as 4 way and 5 3 closed center valves.

4 way 3 position manual air control valves provide high flow. These valves close all ports in the off position to stop equipment in a locked position with air pressure holding it in place. Valves operate with lubricated or nonlubricated compressed air and are easily plumbed into the system. A control valve is a valve used to control fluid flow by varying the size of the flow passage as directed by a signal from a controller.

Selecting the right flow control valve.

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