In this section we will read about
- Current to pressure Converter (I/P Converter)
- Control Valve positioner or Pneumatic positioner
- Parts of a pneumatic control valve positioner
- Control Valve and its types
- Solenoid Valve
- Pneumatic Cylinder
- Butterfly Valve
- Globe Valve or pneumatic globe valve
- Parts of a Control Valve
- Pneumatic globe valve types
- Control Valve Characteristics
- Class of a control valve
- Pressure Transmitter
- pressure transmitter working principle
- Pin type pressure Transmitter
- Pressure Transmitter connections
- pressure transmitter signal checking
- Flow transmitter
Control Valve Characteristics
In this lesson, we will discuss, Characteristics of the Control Valve.
Size: The size of a control valve is the size of the line in which it is fitted.
The size of a control valve is given in mm.
Body Material: The body material of a control valve is the material of which the control valve is made up of.
Travel: Travel is the travel made by a control valve.
Travel is the total movement of a spindle or plug stem.
The travel of a control valve is given in mm.
Supply Failure Position
It is the position of a control valve when the air supply fails.
This position is open or close.
The cv of a control valve is the coefficient of the control valve.
the full of cv is the coefficient of the valve.
Cv of a control valve is the flow across a control valve on 1 psi pressure. Or the flow across the control valve on minimum pressure applied.
Cv of a control valve is given in numeric numbers.
Sr. No. is the control valve serial number.
Sr. No. of a control valve is given in numeric numbers.
model is the model number of a control valve.
model number of a control valve is given in alphanumeric numbers.
It shows the opening of a control valve whether linear, equal, or quick open.
the linear opening means the control valve will open linearly when a pneumatic signal is applied. Equal opening means the control valve will open equally when a pneumatic signal is applied. quick opening means the control valve will open quickly when a pneumatic signal is applied.
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