2013年5月10日星期五

Intelligent control valve


Intelligent control valve with a microprocessor intelligent control function control valve. Intelligent control valves commonly used form of the following:
a. Smart valve positioner with pneumatic control valve;
b. Intelligent electric control valve; the Pat with fieldbus smart valve positioner pneumatic control valve. Intelligent control functions' include the following
a. Easily modify the control valve flow characteristics.
b. PID control operation.air cylinder manufacturers
c. Other operational functions, for example, set the range of the sub-process control, nonlinear compensation calculation.
d, change control valve positive reaction.
e. Communication with the host computer - information sharing. L control valve fault diagnosis and alarm.solenoid valve actuator
g. To achieve self-locking control valve.
h. The control valve status information management, the advantages of the use of smart valve positioner.
a. Reduce the control loop installation, calibration and commissioning time.
b. Diagnostic function, the control valve. Life expectancy, health can be timely monitoring.
c. Reduce instrument maintenance personnel skill requirements.pilot valves

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