Country, region and language selection

International websites


Americas / Oceania

Africa and Middle East

Asia / Pacific



Heavy-duty manual actuator for operating quarter-turn valves. MR range manual gearbox, irreversible worm gear or patented AMRI yoke kinematics. Handwheel-operated as standard. Models MR 400 to 1600 can be fitted with actuators. Options include alternative operating mechanisms, limit switch box, low-temperature version, etc.

Main Applications

  • Water
  • Waste water
  • Energy
  • Industry

Your KSB contact: We’re here to support you

Do you need any assistance finding the right material number?
We’ll soon provide a list so you can directly place your purchase order.
Meanwhile please contact our support:

Tel: +86 4000218000

Your KSB contact : We’re here to support you


  • Grease-packed for life (silicone-free grease) at the factory, therefore maintenance-free.
  • Irreversible gear kinematics in any position

Technical Data

  • Drive conceptWith handwheel
  • Group functionDrive