Quarter-turn Gearboxes - Pro-Gear "Q" Series

The Pro-Gear Series “Q” quarter-turn gearboxes are rugged industrial grade products, manufactured with cast iron housing and components. All models in this series feature high performance bearings and a powder coated finish.

Pro Gear Q Series Quarter-turn Gearbox Applications

The “Q” Series is highly suitable for all general industrial applications as well as applications in chemical, power, HVAC and waterworks. Pro-Gear operators are intended for the operation of ball, plug and butterfly valves as well as power and process dampers. The usage of high grade materials provides a tough, reliable unit for the automation of today’s high performance industrial valves. Several options such as padlocking devices, memory stops, spur gears and limit switchboxes can be easily mounted on site without any machining, due to the integration of all necessary connections on the housing.

Q Series Quarter-turn Gearbox Features

  • Stainless steel input shaft
  • Stainless steel fasteners
  • Standardized according to DIN / ISO 5211
  • Axial needle bearings
  • NBR 70 gasket material
  • Sealed position indicator
  • Powder coated finish
  • Insert bush system for flexibility and reduced lead times
  • Carefully chosen ratios for increased MA rates
  • Blind-tapped PCDs

Q Series Quarter-turn Gearbox Performance Specifications

  • Thirteen models
  • Up to 620,000 in-Lbs torque range
  • -5° to 95° stroke
  • IP68 sealing
  • -25°C to +110°C (-13°F to 230°F) temperature range
Pro Gear Q Series Quarter-turn Gearboxes
phone 513.247.5465    fax 513.247.5462
AVU Registrations, Inc. Management System Certificate
Certified to
ISO-9001: 2008
Canadian Registration Numbers
TA-Luft Certified Ball Valves
Firesafe Certified Ball Valves
API 607
4th Edition

Valves & Actuators
ABS Approved

CSA Group
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