KSB Acto Double-acting Hydraulic Actuator


The KSB Acto is a Double-acting Hydraulic Actuator that can be mounted on quarter-turn valves (butterfly valves or ball valves). It has a control pressure up to 120 bar. The Acto can be mounted on various types of valve stem ends (square end, flat end or key). It has force transmission via rack-and-pinion and scotch-yoke or patented Amri yoke kinematics provides output torques of up to 125000 Nm which are ideal for actuating quarter-turn valves.

The KSB Acto is equipped with a visual position indicator and adjustable travel stops for open/closed position as standard. A manual override can be provided on request. The following accessories are available for hydraulic control: - Shut-off valve - Hydraulic locking - Emergency shutdown (ESD) ACTO can be combined with all AMTROBOX control units.

KSB Acto Double-acting Hydraulic Actuator

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The KSB Acto is suitable for applications in water, energy and industrial engineering.
Temperature: Standard version -20°C - 80°C
Winterized version -50°C - 80°C
High temperature version -20°C - 120°C
Control pressure: Up to 120 bar
Output: torques Up to 125000 Nm
Tightness: IP 68 - can be submerged under 40 meters of water, oil…
Flange: According to ISO 5211
Top interface: VDI/VDE 3845