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Worm gear actuators for manual and electrical actuation.
Robust and compact design that are widely used on valves for oil and gas, chemical, power, and waste & wastewater applications. 

Sambo Gears

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Sambo Worm Gear Actuators – WG Series

Specs

Product Type
Gear Operator, Quarter-Turn, Part-Turn
Actuation
Manual, Electric, Pneumatic
Certifications
IP67 Class, ISO 5210/11. AWWA C504 (available)
Valve Type
Ball, Butterfly, Plug, Triple Offset, Swing Check, Damper. Part-turn, Quarter-turn,180-360 degree operation.
Operating Temperature
High up to +200 degC (+392 degF). Low down to -60 degC (-76degF)

Features

  • Multiple models available up to a torque rating range of 360Nm to 970,000 Nm
  • Units are available with single, double, triple reduction spur gears, vertical input shafts, declutch manual override options
  • Removable splined bushing to permit accurate positioning between gear drive and valve stem
  • Worm shaft is supported on tapered roller bearings which support axial and radial forces generated by the gearing