The Rotork ILG-S range is a sandwich manual override part-turn gearbox for spring-return pneumatic actuators. Torque goes up to 32,000 Nm (23,602 lbf.ft).


| Type | Sandwich manual override part-turn gearbox |
| Applicable Actuator | Spring-return pneumatic actuators |
| Torque Range | Up to 32,000 Nm (23,602 lbf.ft) |
| Ratios | 34:1 to 729:1 |
| Construction | Protected input shaft, cast iron housing, axial needle bearings |
| Protection | IP65 |
| Options | High and low temperature, ISO drive coupling |