What is A Control Valve ?

- 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. This enables the direct control of flow rate and the consequential control of process quantities such as pressure, temperature, and liquid level.

Types Of Control Valves

- Pneumatically actuated control valve: a pneumatic pilot or liquid level controller

- Electrically actuated control valve: an electric pilot, electric liquid level controller, Programmable Logic Controller (PLC), or Remote Terminal Unit (RTU)

• Pneumatic Operated Control Valve

Siemen , Samson , Foxboro …

Pneumatic Operated Control Valve

• Operations of Pneumatic Operated Control Valve

• Advantages of Pneumatic Operated Control Valve

• Disadvantages of Pneumatic Operated Control Valve

Manufacturers of Pneumatic Operated Control Valve

Electric Operated Control Valve

• Operations of Electric Operated Control Valve

• Advantages of Electric Operated Control Valve

• Disadvantages of Electric Operated Control Valve

• Types of Electric Operated Control Valve

- Two-Way Electric Operated Control Valve

- Two-Three Electric Operated Control Valve

Applications of Coltrol Valves

- Oil and gas, refinery, petrochemical, chemicals, specialty chemicals, pharmaceutical, power, etc.