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【Technical article】 Locator principle and working principle

2017-11-11

Valve positioner is the main control valve attachment.It will stem displacement signal as the input feedback measurement signal to the controller output signal as a set signal to compare the two when there is deviation, change ...
【Technical article】 Electrical valve positioner zero how to adjust?

2017-11-09

Make the input signal 4MA, and then adjust the positioner zero, which is usually connected with the nozzle. Valve position in the off, that is, the scale is 0 position. Then add the signal to 4.2MA to make the valve action...
【Technical article】 How to adjust the installed HEP electrical valve positioner?

2017-11-09

When the electrical valve positioner newly installed in the control valve, or the control valve stroke does not meet the requirements of the input control model needs to be adjusted, the instrument instrumentation to teach you...
【Technical article】 Valve positioner output pressure and what is the relationship?

2017-11-09

Valve positioner is the main control valve accessories, and supporting the use of pneumatic control valve, which accepts the regulator output signal, and then use its output signal to control the pneumatic valve, when the ...
【Technical article】 Locator classification

2017-11-07

Valve positioner according to the input signal is divided into pneumatic valve positioner, electrical valve positioner and intelligent valve positioner. Pneumatic valve positioner input signal is a standard gas signal, for example...

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