STK Basic Type:
10 sizes
torque range form 160 Nm up to 37,000 Nm mechanical position indication
Optional Equipment:
hydraulic or electric position indication modular control assembly hydraulic interlock and pressure control single-acting with spring return

The hydraulically operation rotary actuators of the STK series serve as basic actuators for butterfly valves and ball valves.The standard design of these actuators is rated for a rotation of 94' and is equipped with a unilaterally adjustable end-stop limit (option: bilaterally with ball valves).