Rotary Electro Pneumatic Positioner 4-20mA input/output. DA/SR Actuator


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Aluminium die cast body electro pneumatic positioner. Allows accurate modulation of rotary pneumatic actuators. Namur interface and suits up to 180ccm volume actuator with a supply pressure of 1.5 to 7 BAR. Can be used on Spring Return Actuators if one port is plugged into the positioner.

Input Signal 4 to 20mA
Impedance 250 +/- 15 Ω
Supply Pressure 1.4 to 7kgf/cm² (20~100psi) (Clean Dry Air Recommended)
Air Connection G1/4”
Gauge Connection G1/8”
Conduit G1/2”
Weather Protection IP66
Ambient Temperature -20°C to 70°C
Hysteresis 1.50%
Sensitivity 0.40%
Air Consumption 3 LPM @1.5 BAR
Flow Capactiy 8 LPM
Material Die Cast Aluminium
Weight 2.8kg

Electro Pneumatic Analogue Smart Positioner

Input Signal 4 to 20mA
Output Signal 4 to 20mA
Body Aluminium
IP Rating IP66

  • What is an Electro-Pneumatic Positioner?

    An Electro-Pneumatic positioner is a device that connects to a pneumatic actuator through the Namur interface and converts a 4~20mA input signal into a proportionally controlled air supply to the pneumatic actuator. These positioners allow for the valve to be opened and closed to a desired set point to maintain precise flow control over the media.

  • What is an Analogue Electro-Pneumatic Positioner?

    An Analogue Electro-Pneumatic Positioner utilizes a proportional valve along with mechanical linkages and springs to acquire the valve's position and apply the necessary corrective measures to maintain the desired set point. The output of this process is a controlled air supply to the actuator which gives the valve it’s position.

  • How do I install and configure an Analogue Electro-Pneumatic Positioner?

    The Analogue Positioner is installed using the supplied bracketry to mount the positioner to the pneumatic actuator. The positioner is then plumbed to the actuator and the signal wiring connected. It is recommended as best practise to use a 5 micron filter for the air inlet connection as this ensures a clean air supply to the positioner. After all physical connections have been made, the positioner can be adjusted to ensure the valve responds accordingly. A detailed view of the installation and adjustments can be found here.

  • How long will my product take to get to me? 

    This depends upon where you are based and the freight method chosen. If the express freight option is selected it is usually next day delivery to metropolitan areas in Australia for under 5kg. If free freight has been selected it will go by road freight which can be anywhere from 1 to 10 days depending upon your location. It usually averages 3 days.

  • What warranty do I get?

    All of our products come standard with a 12 month warranty. The good news is we have very strict quality controls and all valves leave our warehouse tested (full material and testing certificates to API598 are available) and inspected so there are rarely any issues. Also once your valve is in and operating it will most likely continue to do so for a very long time. 

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