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© 2018 Zhejiang Huizheng Auto Control Valve Co., Ltd.  浙ICP备12037337号

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News & Events

Use of intelligent regulating valve

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With the increasing automation valves in modern factories, the intelligent concept of the system is becoming more and more popular. Specific to the actual process, it is use of intelligent regulating valves. Smart regulating valves are equipped with microprocessors, which can realize intelligence. Control valves with control functions are divided into electric intelligent control valves and pneumatic intelligent control valves. The intelligent control valve usually adopts the following forms:

   Pneumatic control valve with intelligent valve positioner;

 Intelligent electric control valve; pneumatic control valve with fieldbus intelligent valve positioner. Intelligent control functions’ mainly include the following

 

  Easily modify the flow characteristics of the regulating valve.

    Realize PID control operation.

  Realize other calculation functions, such as the range setting of split-range control, nonlinear compensation calculation, etc.

  Change the positive and negative action modes of the regulating valve.

  Realize the fault diagnosis and alarm of the regulating valve.

  Realize the self-locking of the regulating valve.

 The advantages of using intelligent valve positioner to realize the status information management of the control valve are as follows.

   Reduce the installation, verification and debugging time of the control loop.

The diagnosis function is adopted to enable the use of the regulating valve. The life extension is adjusted, and the operating status of the regulating valve can be monitored in time.

Reduce the skill requirements for instrument maintenance personnel.

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