Knowledge base
The working principles behind the catalogue — written for engineers specifying a positioner, not for search engines.
Action Principle of Valve Positioner
(1) It is used in important adjustment systems that require high adjustment quality to improve the positioning accuracy and reliability of the adjustment valve. (2) Used …
Introduction of Valve Positioner
The valve positioner is divided into pneumatic valve positioner, electro pneumatic valve positioner and smart valve positioner according to the structure. It is the main …
The Function of Valve Positioner
Adapted varieties Commonly used actuators are divided into pneumatic actuators and electric actuators, which can be divided into straight travel and angular travel. It is…
Type of Valve Positioner
Valve positioners are classified into pneumatic valve positioners, electro-pneumatic valve positioners and smart valve positioners according to input signals. The input s…
Working Principle of Valve Positioner
Working principle The valve positioner is the main accessory of the control valve. It takes the stem displacement signal as the input feedback measurement signal and the …
Pneumatic Valve Positioner Working Principle
The pneumatic valve positioner works according to the principle of torque balance. When the signal pressure P1 into the bellows 2 increases, the main lever 3 is rotated a…
Smart Valve Positioner
The smart valve positioner is an intelligent process control instrument based on microprocessor technology and adopts digital technology for data processing, decision gen…
A Brief Introduction of Smart Valve Positioner
Intelligent electric valve positioners are widely used in the positioning control of pneumatic linear or angular stroke actuators. It converts the current signal output b…
Classification of Valve Positioners
It is divided into pneumatic valve positioner, electro valve positioner and smart valve positioner according to the input signal. According to the direction of action, it…