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Specs & Brochures



Limitorque Pneumatic Actuator Scotch Yoke – LPC

The Limitorque LPC series is a compact pneumatic scotch yoke actuator for on/off, inching and light modulating applications on quarter-turn small-to-medium sized valves in general and protective services for the oil & gas market.

Limitorque Pneumatic Actuator Scotch Yoke - LPC STANDARDS

  • ISO 9001 and 5211
  • EN 15714, 60529, 13906, 13445 and 12570
  • IEC 61508 SC3
  • ATEX 2014/34/EU

Limitorque Pneumatic Actuator Scotch Yoke - LPC FEATURES & BENEFITS

  • Improved safety and service life (25 years) due to heavy-duty design and excellent corrosion resistance on all sizes
  • Low total cost of ownership due to simplified installation, operation, and on-site maintenance
  • Easy retrofitting through a specially designed coupling interface

Limitorque Pneumatic Actuator Scotch Yoke - LPC CONFIGURATIONS

  • The symmetric scotch yoke as standard. Customized yoke profiles available as option
  • Spring return and double acting configurations available (fail open, fail close and fail-in-place capability)
  • Jackscrew Manual Operators available on request.
  • High and Low-temperature versions available: +160°C to -60°C (320°F to -76°F)
  • PED 2014/68/EU and & ASME BPVC VIII div. 1 versions available
  • Standard or customer specified painting on request
  • Wide range of feature and function customizations available

Limitorque Pneumatic Actuator Scotch Yoke - LPC DESIGN RANGE

Torque Rating Range: up to 5500 Nm (4057 ft-lb)

Pressure Rating:

  • Operating Pressure: 2.5 to 12 barg (36.3 to 174 psig)
  • MAWP = 12 barg (174 psig)


  • IP 66/67 & IP 66M/67M
  • ATEX Ex II 2GD
  • NBR Buna, Viton®, and Fluorosilicone sealing


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