Data Sheet for Product

Technical Instructions Flowrite 599 Series SKB/C/D 62UA Electronic Valve Actuator Advanced Features
Document Number 155-717
September 25, 2018
Page 6 Siemens Industry, Inc.
Valve Details,
Continued
Figure 7. SKD Valve Parts.
1. Pressure cylinder
2. Piston
3. Oscillating pump
4. Return spring
5. Bypass valve
6. Valve stem retainer
7. Manual override knob
8. Position indicator
Standard Operation
Figure 8. SKB/C Valve Stem Travel Indication.
Figure 9. SKD Valve Stem Travel Indication.
The actuator accepts a 0 to 10 Vdc or a 4 to 20 mA control signal. The actuator
mounted on a valve produces a stroke proportional to the input signal. When power is
turned off or in the event of a power failure, the actuator spring returns the valve to its
normal position.
Direct Acting