Danfoss - (Denmark)
The actuators with or without safety function are available for the modulating controllers with the control Y signal. The spring return actuators can be used to provide safety shut off on power failure. They are used with VS2, VM2, VB2, VRBZ, VZ, VMV and AVQM valves..
In addition to basic function such as manual control and position indication, the actuators are also equipped with force sensitive switch-off to ensure that actuators and valves are not exposed to overloading. This function automatically ensures the self-adjustment of the end positions on the valve..
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