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09

2019-09

Explanation of the Operating Principle of Valve Positioners

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2019-09-25

With the advancement of smart instrumentation technology, microelectronics has been widely integrated into conventional instruments, significantly enhancing their functionality and performance. The valve positioner is a key accessory for control valves and is typically used in conjunction with pneumatic control valves. It receives the output signal from the controller and uses this signal to regulate the pneumatic control valve. Once the control valve actuates, the displacement of the valve stem is fed back to the valve positioner via a mechanical linkage, and the valve position information is transmitted as an electrical signal to the higher-level control system.

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06

2018-06

The Difference Between Electrical Converters and Electrical Valve Positioners

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2018-06-07

When manual operators, PID controllers, DCS systems, or PLCs use pneumatic control valves to perform process control, it is necessary to convert electrical signals into pneumatic signals in order to operate the pneumatic actuators. Electrical transducers and electric valve positioners both serve this function; however, because these two types of instruments differ in structure and function, their applications also vary.

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01

2020-01

The working principle of valve positioner

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2020-01-19

Under the advancement of technology, we have developed a valve positioner to control the equipment in order to work more accurately. The valve positioner can be used in conjunction with various equipment. Using the valve positioner, we can understand a signal of the adjustment output in the equipment, so as to realize the control of the equipment. Although the use of valve positioners is very common in our lives, many people do not know much about the structure and working principle of valve positioners. Let's take a look at the working principle of the valve positioner together.

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09

2023-09

Wuhan Tuoyou 198 intelligent valve positioners have been successfully put into operation and trial run on six production lines of the 150000 ton lithium iron phosphate project in Guizhou Yuneng New Energy

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2023-09-25

With the deepening of the domestic substitution strategy, recently, Wuhan Tuoyou Intelligent Co., Ltd. successfully delivered 198 intelligent valve positioners, and successfully put into trial operation six production lines of the 150000 ton lithium iron phosphate project in Guizhou Yuneng New Energy.

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07

2020-07

Intelligent valve positioner features introduction

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2020-07-13

1. The intelligent valve positioner system is mainly composed of a control unit, an electrical conversion I/P unit, and a valve position detection feedback unit. The positioner and the actuator form a feedback loop. The input unit receives the 4-20mA current signal from the controller. The position feedback signal of the regulating valve is compared with the given signal value in the microprocessor as the controlled variable. The deviation sends out pulses of different lengths through the output port of the main control board to adjust the charging and exhausting speed and action to control the driving of the regulating valve. Action and location process.

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04

2020-04

Functions and advantages of intelligent valve positioner system

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2020-04-30

In modern automatic control systems, the importance of regulating valves is becoming more and more obvious, and regulating valves with better functions are becoming more and more intelligent. The intelligent regulating valve system integrates the functions of sensors, regulators and regulating valves. , Which greatly simplifies the process of automatic control. The main advantages of the intelligent valve positioner system are reflected in:

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