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KSB Actair Double-acting Pneumatic Actuator

The KSB Actair is a double-acting pneumatic actuator to be mounted on quarter-turn valves (butterfly- or ballvalves). The KSB Actair has a control pressure up to 8 bar and 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 16000 Nm which are ideal for actuating quarter-turn valves. The Actair is equipped with a visual position indicator and adjustable travel stops for open/ closed position as standard. Manual override can be provided on request. For automated valve actuation, ACTAIR can be combined with AMTROBOX, AMTRONIC, SMARTRONIC or any other control unit with VDI/VDE 3845 interface. The KSB Actair is suitable for applications in water, energy and industrial engineering.

KSB Actair double-acting pneumatic actuator



Technical specifications
Actuator effect Double- acting
Manual override for actuator Yes
Type of control    Continuous- action actuation
Actuator movement Rotation
Max. perm. temp., control press. medium 80°C
Min. control 3 bar
Max. torque 17 Nm
Min. ambient temperature, actuator 20°C
Ambient temperature, actuator -20°C
Actuator limit switch Yes
Actuator position feedback Yes

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