Hydraulic actuator STKG

rotaryspring-returnISO

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