Rotork ILG-D - Declutchable Gear Operator

Brand: Rotork PLC

The Rotork Gears ILG-D gear operators are designed to provide a means of manually override pneumatic valve actuators in power and process applications. 

These gear operators employ a declutch-able design for use with double acting actuators. 

To ensure long life, the housing is sealed to IP65 and the input shaft is made from protected Steel.
  • Torque range up to 17,000 Nm (13,000 lbf.ft)
  • 9 sizes. Ratios from 35:1 to 468:1
  • Protected input shaft
  • Cast iron housing
  • Axial needle bearing
  • IP65
  • Optional high and low temperature.
  • Optional ISO drive coupling.
  • Optional Solenoid valve to evacuate air automatically
  • Optional IP67


Environmental Protection

  • IP65
  • IP67 Optional
  • IP68


  • Up to 13,000 lbsf.ft (17,000 Nm)


  • 35:1 to 468:1

Enclosure, Body Material

  • Body: Cast Iron
  • Reducer Housing & Cover: Ductile Iron

Product Finish

  • Polyurethane Coating

Shaft Material

  • Stainless Steel

O-Ring Material

  • NBR

Material of Construction

  • Ball Knob: Plastic
  • Hex Head Bolt, Set Screw, Hex Nut, Dowel & Dowel Pin, & Carrier: Steel
  • Quadrant: Ductile Iron
  • Worm: Carbon Steel

Seal Material

  • Lip Seal & Oil Seal: NBR

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