Siemens VGD4 series Operation Manual And Mounting Instructions page 4

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Building Technologies
2 Description of the SKPx5 actuators
Operating mode display
The valve stroke display indicates the relative valve stroke. Depending on the tolerance
limits, the fully closed position of the valve may vary. The maximum achievable valve
stroke with a fully open valve seat varies according to the type and size of the valve:
From 12 mm to 25 mm. During normal operation of an SKP25 actuator, it is also
possible to observe the stability and oscillation tendency in addition to the opening of
the valve seat.
Note!
SKP15.000Ex actuators do not have a valve stroke display!
Operation Manual and Mounting Instructions VGD4 / VRD4 / SKPx5
Valve stroke display
CC1U7643en
14.03.2018