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ATB-Series Multi-turn Bevel Gear Operator
Bettis ATB-Series Multi-turn Bevel Gear Operator
Multi-turn bevel gear operators for manual operation and electrical actuation.
Robust and compact design that are widely used on valves for oil and gas, chemical, power, and water and wastewater applications.
ATB-Series Multi-turn Bevel Gear Operator


Power Source
Product Type
Manual Gear Operator, Multi-turn
Enclosure Sealed( specific IP rating available upon request)
Control Type
Valve Type
Ball, Butterfly, Plug, Dampers, Globe
Operating Temperature
High up to +200 °C (+392 °F). Low up to -52 °C -62 °F).


  • 24 models available up to a torque of 18,000 Nm and thrust of 2,600 kN and F-48 mounting base
  • Epoxy primer coating, and greased for life
  • Ductile iron casing for higher strength and alloy steel pinions
  • Fully sealed gearbox and completely enclosed gearing
  • New ratios can be designed to meet any requirement
  • Standard input flanges (for actuator mounting) for ISO5211, MSS and DIN available