ABB AV3 & AV4 Electro-pneumatic positioners conventional positioners
ABB AV3 & AV4 Electro-pneumatic positioners product specification as below
Overview
The AV3 positioners receive a current input (4 to 20 milliampere) from the control device and convert the signal to pneumatic signal. This pneumatic signal is converted to a pneumatic output that produces the motive force that positions the actuator. Type AV3 fails in place on loss of current input signal.
The Type AV4 positioner receives an external 24vdc pulse signal and converts it to a pneumatic output. This output produces the motive force that positions the power actuator. The AV4 fails in place on loss of input signal
Data
- Compact rugged design
- High vibration and shock environments
- Fast, accurate calibration
- Single or double-acting without additional hardware
- Vent design allows natural gas operation
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