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With the FQM fail safe unit, AUMA offers innovative and safe actuator solutions for automatic operation of valves in case of emergencies making use of stored mechanical energy.
Constant torque characteristics across the overall torque range.
The spring is not operated during standard operation. As a consequence, actuator sizing can be relatively small.
The end position switches are automatically set during the setting procedure of end positions OPEN and CLOSED and do not require separate adjustment.
150 Nm to 1200 Nm
Fail safe unit for open-close duty150 Nm – 1200 Nm
Torque range8 s – 54 s
Operating time for 90°80 ° – 100 °
Swing anglesIP68
Enclosure protectionKS
Corrosion protection-30 °C – +70 °C
Ambient temperatureII2G Ex db eb IIB T4 Gb
ATEX explosion protectionClass I, Div. 1, Groups C, D T4 Class I, Zone 1, Group IIB T4
FM explosion protectionEx db eb IIB T4 Gb
International/Australia - IECEx