Product Benefits

  • High opening- and closing- torques provided by the scotch-yoke concept
  • Ideal sliding properties provided by low friction multiple piston guides
  • Operational safety and long service life assured by precise machining of parts
  • Low air consumption
  • ATEX: EX II 2 GD c Tx

Technical Data

Torque range:

27 – 9768 Nm (based on supply pressure of 6 bar)

End positions:

exactly adjustable between -8°/3°

Limit switch- and Control valve-fitting:

VDI / VDE 3845

Control pressure:

min. 2,5 bar, max. 8 bar

Control air:

Filtered compressed air dry or lubricated. The pressure condensation point in accordance with (ISO 8573-1:2010, Class 3) has to be ? ≥ 20°C or 10°C under ambient temperature. The maximum particle size in accordance with (ISO 8573-1:2010, Class 5) should not exceed 40 μm. For cycles ≥ 4 /min please lubricate.

Temperature range:

-20°C to +80°C (standard)
-40°C to +80°C (low temperture)
-15°C to +120°C (high temperture)

Valve interface:
EN ISO 5211

Cylinder liner:

High quality marine grade Aluminium alloy, hard anodized. Other coatings upon request


  • Maintenance-free
  • Suitable for all ¼ turn valves
  • Blow-out proofed shaft
  • Torques in agreement with EN ISO 5211
  • Optical position indicator with integrated operator for limit switches
  • All fasteners made of stainless steel
  • SIL 2 (SIL 3 as redundant system) acc. to IEC 61508

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