Rugged, reliable and economical valve operation


  • Cast iron body with metal gears and bearings
  • ISO 5211 mounting pattern
  • Fully enclosed and weather-proof
  • Factory lubricated for their lifetime
  • Wide range of sizes and torque outputs
  • Many available options including locking, high temperature, and marine and buried service
  • Adjustable stops for both open and closed positions
  • Highly visible position indication pointer


  • Long life
  • Low maintenance
  • Easy to operate
  • Proven performance
Output torque range 125 – 24100 Nm (92 – 17770 lb-ft)
Standard temperature range -40 °C to +80 °C (-40 °F to +176 °F)
Options Available with female square or key drives
Provided with pre-sized hand wheel with shear pin to prevent damage from excessive input torque
Optional constructions available for special conditions
M-series actuator technical bulletin for Jamesbury valves Download
M-series actuator technical bulletin Download

Previously viewed products