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AV1/AV2 Series Positioners

About AV1/AV2 Series Positioners

ABB's positioners AV1 pneumatic and AV2 electro-pneumatic are proven control devices that satisfy a wide range of applications. They provide fast, sensitive, and accurate positioning of pneumatic signal or double-acting, linear or rotary motion actuators.

Technical Specifications

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Description

ABB’s positioners AV1 pneumatic and AV2 electro-pneumatic are proven control devices that satisfy a wide range of applications. They provide fast, sensitive, and accurate positioning of pneumatic signal or double-acting, linear or rotary motion actuators.

A mechanical connection from the actuator to a position feedback cam in the positioner establishes actual position. Three characterized segments on one cam provide application flexibility by establishing various relationships between input signal and actuator position. The relationships provided by the segments are square root, linear, and square.

The Type AV1 positioner receives an external pneumatic signal and converts it to a pneumatic output. This output produces the motive force that positions the power actuator.

The type AV2 positioner receives an external 4-20mA signal and converts it to a pneumatic output. This output produces the motive force that positions the power actuator.


Specifications
Series
AV1 series AV2 series
Type
Pneumatic positioner
Electro-pneumatic positioner
Input
0.2 – 1 bar / 3 – 15 psi

0.2 – 1.86 bar / 3 – 27 psi

4 – 20 mA
Temperature range
-40 to +82 °C / -40 to +180 °F
-20 to +82 °C / -4 to +180 °F
Protection class
Nema 4x enclosure available Nema 4x enclosure available
Features
  • • Proven pilot valve, increased reliability minimizes downtime and maintenance costs
    • High capacity, fast response with high air delivery capacity
    • Performance series, high flow gain pilot valve body achieves maximum flow capacity at small error signal
    • Position transmitters , optional integrated 4 to 20 mA position transmitter
    • Compact rugged design, NEMA 4X version available
    • High vibration and shock environments , withstands vibration and shock at frequencies to 120 Hz and accelerations to 2 G
    • Fast, accurate calibration, independent zero and span adjustments
    • Single or double-acting without additional hardware, controls single and double-acting, linear and rotary actuators
    • AV1 positioner fail-safe with pneumatic input signal
    • AV2 positioner fail-safe with mA input signal
    • AV27 positioner fail-safe with mA input signal with explosion-proof I/P converter
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