M Series Gearbox

ACROGEARS, Mastergear,Manual, Gearbox, Handwheel Manual,AcrodyneManufacturer: Mastergear

The cast iron construction and the rugged design of the Mastergear “M” series range of manual valve actuators has been engineered to meet the arduous requirements demanded of industrial environments. Through corrosion resistant treatment of bare metal surfaces, a grey epoxy paint finish and the use of lip seals. With multiple sealing surfaces, the ‘M’ range is sealed to IP67 and achieves exceptional durability. Models M07 to M16 use high performance axial needle roller bearings, which combined with one- piece input worm shaft, maximize the available mechanical advantage and overall unit efficiency.


  • Sealed to IP67
  • Maintenance free
  • Optional input padlock flange
  • Optional output drive bushes
  • Self locking / high efficiency
  • High mechanical advantage
  • Cast iron enclosure
  • To 4500 Nm output torque
  • 7 frame sizes
  • 50% grease filled for life
  • Capability to withstand overload to twice maximum output torque rating
  • -20oC to +80oC temperature range for continuos operation
  • Unrivalled versatility for direct fixing to valve
  • M05 and M07 have integral drive bush

PDF Downloads

M Series Catalogue (1.2MB)



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