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The instrument that directly changes the manipulated variable in the forward path of the control system consists of an actuator and a regulator.
Control valve
The device in the process control system that uses power operation to change the fluid flow 1t is composed of an actuator and a valve. The actuator changes the position of the cut-off component inside the valve according to the control signal.
3 Solenoid Valve
A valve that uses electromagnetic force generated by coil excitation to drive the valve core switch.
4 self operated regulators, self-actuatede rgulator
Without external power, relying solely on the energy of the controlled fluid to operate and maintain a constant controlled variable.
5. Correcting element for regulating mechanism
Driven by an executing mechanism, a mechanism that directly changes manipulated variables.
6-valve valve
A pressure sealed housing assembly containing flow control components for fluid flow.
7 actuator
A device that converts control signals into corresponding actions to control the position of the internal shut-off component or other regulating mechanisms. The signal or driving force can be pneumatic, electric, hydraulic, or any combination of these three.
8 Pneumatic actuators
An actuator that uses pressurized gas as a power source.
9 Electric actuators
An actuator that uses electricity as a power source.
10 Hydraulic actuators
An actuator that uses pressurized liquid as a power source.
11 Electro hydraulic actuator
An actuator that receives electrical signals and uses pressurized liquid as a power source
12 actuator powertout
A component in an actuator that can convert fluid, electrical, thermal, or mechanical energy into the action of an output rod and generate output force or torque
13 actuator stem output rod
Also known as actuator push rod.
The parts that transmit linear motion and output force of power components in the actuator.
14. Output shaft actuator shaft of actuator
The parts that transmit the angular motion and extract torque of the power components in the actuator:
15 bracket yoke
The parts that rigidly connect the power components of the actuator and the valve.
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