Siemens SIEM drive

For radiator valves, small valves, and combination valves, electrothermal actuators feature a plunger extended in the de-energized state (NC) for 2-point and quasi-continuous control of heating systems, cooling ceilings, and air after-treatment devices. They come with a position indicator and connection cable (halogen-free). Suitable for the following valves: radiator valves VDN../VEN../VUN../VPD../VPE.., small valves VD1..CLC and V..I46.., combination valves VPP46.., VPI46.., and valves from other manufacturers.