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Multi-turn spur 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 Spur Gear Actuators – SB-SR Series


Product Type
Gear Operator, Multi-turn
Manual & Electric
IP67 Class, ISO 5211
Valve Type
Wedge Gate, Sluice Gate, Slab Gate, Globe, Damper
Operating Temperature
High up to +200 degC (+392 degF). Low down to -60 degC (-76degF)


  • Multiple models available up to a torque rating of 32,000 Nm and thrust capacity of 4,100 kN
  • Units are available with vertical or horizontal input shafts with multiple input shaft options
  • Heavy duty roller bearings supporting both radial and axial thrust loads
  • Unique top entry replaceable stem nut and dual locking nuts