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Estd  1981

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Scotch Yoke Type 90o Actuators

Scotch Yoke with Pneumatic operation and spring return. Its fitted with an electrical position indicator.

Pneumatically Operated/Spring Return Actuator with Visual/Electrical Position Indication

FEATURES

Modular Design Allows for:

  •   Double Acting
  •   Spring Return Open or Close

Choice of Driving Cylinder Power Source

  •    Oil Hydraulic
  •    Water Hydraulic
  •    Pneumatic

Spring Return Torques up to 110,000Nm.

Double Acting Drive Torques up to 246,000Nm.

Scotch Yoke Design

MSS or ISO Valve to Actuator Interface

Sectional view of scoth yoke mechanism.

Multifunction Modules for Valve Actuators

These actuators are available in the various build configurations as listed below and come in five torque ranges

  • SERIES 1  up to 13,500Nm
  • SERIES 2  up to 28,500Nm
  • SERIES 3  up to 62,000Nm
  • SERIES 4  up to 117,000Nm 
  • SERIES 5  up to 246,000Nm

Maximum Spring Return Torque available 110,000Nm


Scotch Yoke, pneumatically operated double acting actuator.

PNEUMATICALLY OPERATED DOUBLE ACTING ACTUATOR

Scotch Yoke hydraulicly operated and spring return actuator with emergency manual hand wheel.
Scotch yoke actuator, pneumatically operated with spring return actuator with emergency manual hand wheel.

HYDRAULICALLY OPERATED/SPRING RETURN ACTUATOR with EMERGENCY MANUAL HAND WHEEL

PNEUMATICALLY OPERATED/ SPRING RETURN ACTUATOR with EMERGENCY MANUAL HAND WHEEL

Multi Function Operators for Scotch Yoke Module

Image showing all nine modules that can be added to the Scotch Yoke Actuator for its control.
Sectional view of scotch module with an pneumatic module one end and a hydraulic module the other end. All parts are shown on the drawing.
Scotch module with no modules attached.
Scotch yoke actuator, pneumatically operated, large spring return module.
Scotch yoke actuator, pneumatically operated, large hydraulic return module.
Pneumatically operated scoth yoke actuators with spring return in volume production.
Scotch yoke actuators air operated in volume production.
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