Data Sheet for Product

SKD Electronic Valve Actuator 3-Position (Floating) Control Technical Instructions
Document No. 155-181P25
September 25, 2018
Siemens Industry, Inc. Page 5
Operation,
Continued
Figure 8. Valve Stem Travel Indication.
Mounting and
Installation
Figure 9. Mounting Positions.
The vertical position is the recommended position for mounting. Figure 9 shows the
acceptable mounting positions.
Allow 4 inches (100 mm) around the sides and back of the actuator and 8 inches
(200 mm) above and to the front of the actuator.
See Dimensions in Figure 14 and Figure 15.
Detailed installation instructions for field mounting are shipped with the actuator.
Start-Up
Check the wiring for proper connections.
NOTE: The valve body assembly determines the complete assembly action.
Normally Closed Valve
Actuator pressure cylinder moves outward (0 to 1): Valve opens.
Actuator pressure cylinder moves inward (1 to 0): Valve closes.