Electro-pneumatic Valve Positioners
An electro-pneumatic positioner is a device that helps control valves move to the right position using electronic signals. It combines the benefits of pneumatic systems (which use air) with the precision of electronic controls.
It works by converting electronic signals (like a 4-20 mA current) into air pressure, which moves the valve actuator. This controls the flow of fluids in pipelines or industrial systems. With built-in feedback and control features, electro-pneumatic positioners ensure valves operate accurately and efficiently, improving overall process performance.
- Works on the conventional force-balance principle
- Split range operation
- Short response time and less moving parts
- Weatherproof and explosion proof
- Tubeless NAMUR mounting
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Frequently Asked Questions.
An electropneumatic positioner is a device that controls the position of a valve by converting an electrical control signal into a pneumatic output.
Electropneumatic positioners can be used with linear and rotary pneumatic actuators.
Electropneumatic positioners are available in intrinsically safe versions designed for hazardous areas and can be customised to explosion-proof specifications.
They are compatible with various valve types, including globe, butterfly, and ball valves.
Electropneumatic positioners are compatible with most valve types, including globe, ball, butterfly, diaphragm, and other control valves, provided they are equipped with a suitable pneumatic actuator. The compatibility depends on the actuator type (linear or rotary) and the specific requirements of the application. It’s important to select a positioner designed to work with the valve’s characteristics and operating range for optimal performance.
