The actuators of the STKG series are based on the STK series, but are fitted with an additional spring assembly and expanded to a single-acting actuator. This combination always moves the valve dependably to the predefined fail-safe position.
With mechanical adjustable stops
Connecting dimensions according to DIN ISO 5211
Special Features
Single-acting with spring return
Fail-safe
With mechanical, hydraulic or electronic position indication
With mechanical or hydraulic emergency operation equipment
For submerged applications
With modular hydraulic control devices
Advantages
With hollow shaft and flange for compact assembling
High torques in compact, closed design
Service- and maintenance-friendly construction