DN 150 Control Valve

Valve Type	Butterfly Valve
Valve Size	DN200
Flow Characteristic	Equal Percentage
Actuation	Pneumatic
Body Material	Carbon Steel
End Connection	Wafer
Operating Pressure	10 bar
Media	Water
Body Style	Wafer Type
Connection Type	Wafer End
Material	WCB
Power	Solenoid
Positioner	Electropneumatic
Leakage Class	Class VI

A control valve adjusts the flow rate of liquids, gases, steam, or slurries by opening, closing, or throttling a flow passage. It is typically operated by an actuator, which receives a signal from a controller based on process requirements. The valve modulates fluid flow to maintain desired conditions such as pressure, temperature, or flow rate in pipelines or vessels.Key Functions

• Flow Regulation: Control valves precisely manage the flow rate of fluids.
• Pressure Control: They help maintain or reduce pressure within a system safely.
• Temperature Control: By adjusting flow of heating or cooling fluids, they influence process temperatures.
• Process Stability: Control valves enable automated process control, improving efficiency and product quality.

Common Types of Control Valves

• Globe Valve: Most common type, offering precise throttling control.
• Butterfly Valve: Suitable for large flow volumes, with fast operation but less precision.
• Ball Valve: Provides good shut-off and moderate control capabilities.
• Diaphragm Valve: Used often for corrosive or sanitary applications.

Components of a Control Valve

• Valve Body: The main part housing the flow passage.
• Actuator: Converts control signals (pneumatic, electric, or hydraulic) into mechanical motion.
• Positioner: Ensures the valve reaches the exact position commanded by the controller.
• Valve Trim: Internal parts that regulate flow, such as the plug and seat.