What is control valve PPT?
What is control valve PPT?
A Control Valve is the most commonly used. final control element used to regulate fluid flow in. a process. In a process, normally it is the only. controllable element residing in the loop.
What is the principle of control valve?
The working principle of control valve is opening or closing internal passages in order to regulate the flow of a liquid or gas. Control valves are part of a control loop that controls a process. Control valves adjust internal openings in response to instructions from the controller.
What are the parts of control valve?
It consists of the seat, disc, plug, and stem. It consists of electric or pneumatic mediums to provide the force required to operate the control valve. It provides a mounting for the guide and actuator and a medium for the stem to pass through. It is made of the centrepiece, packing, packing nut and guide.
What are the different types of valve?
•Due to the diversity of the types of systems, fluids, and environments in which valves must operate, a vast array of valve types have been developed. •Examples of the common types are the globe valve, gate valve, ball valve, plug valve, butterfly valve, diaphragm valve, check valve, pinch valve, and safety valve.
What is a control valve and how does it work?
Definition. A Control Valve is a device capable of modulating parameters such as flow,pressure,temperature,and level in response to the signal giving by an external control device.
What are the types of hydraulic valves?
The hydraulic valve actually,is a device that can change the opening degree of liquid (Oil) flow path.
What is the function of a control valve?
Pressure reduction
