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scotch-and-yoke-pneumatic-actuator

Scotch & Yoke Pneumatic Actuator

Product Specifications

ACTUATOR TYPE Scotch yoke
SIZE RANGE Frame size S1 to S5 & cylinder bore 200 to 800 mm
OPERATING TYPE Double and single acting
WORKING PRESSURE 1 to 8 bar
MAX OPERATING PRESSURE 8 bar*
*For higher pressure application consult Duncan
TORQUE RANGE Up to 50000 Nm
TEMPERATURE RANGES Normal temp. range: -20° to +80 °C
High temp. range: -20° to +125 °C
Low temperature range: -45° to +80 °C

Standards/Specifications

MOUNTING INTERFACE ISO 5211, VDI/VDE 3845
CERTIFICATION IP 66 & 67
ATEX 2014/34/EU
PED 2014/68/EU
CE
SIL 3
Proof of design as per BS EN 15714-3
ROTATION Quarter turn (Stroke adjustment ±5° in both directions)
CONTROL OPTIONS Regulating, on/off
APPLICATION Operating for ball & butterfly valves, dampers, etc.
END USERS Oil & gas, water treatment, power, chemical, pharmaceutical, food processing, etc

Features

These actuators can be used for on/off application and the special torque characteristic make them ideal for control applications. Scotch Yoke actuators have an increased torque range compared to Rack & Pinion actuators.

  1. Minimum Maintenance
  2. Manual Override Options.
  3. Robust yet Lightweight Design.
  4. Fail Safe Condition Compatible.
  5. Reliable: Trusted for critical, heavy-duty on/off valve control.