IS - Multi-Turn Spur
The IS multi-turn gearbox series are multi-turn (rotary) devices intended for the operation of gate, globe, sluice and penstock valves. These gearboxes are suitable for manual and motorised applications.
- Torque range up to 43,386 Nm (32,000 lbf.ft)
- Thrust range up to 2,900 kN (652,000 lbf)
- 19 sizes
- Ratios from 1:1 to 360:1
- Totally enclosed gearing
- Grease filled for life
- Removable output sleeve
Common options:
- Spring-loaded temperature compensators
- Various position indicators
- AWWA
- High and low temperature
- All types of environment
- IP68
- Cast steel
See IS Literature Page for further details.
10/08/2021
Rotork assists BAE Systems in upgrades to Portsmouth Royal Naval Base
Rotork has worked with BAE Systems to upgrade a series of A-range actuators to IQ3 actuators at Her Majesty’s Naval Base Portsmouth (HMNB Portsmouth). HMNB...
22/04/2015
Higher thrust ratings for Rotork spur gearboxes
The introduction of the IS21 gearbox adds higher thrust ratings to Rotork’s established range of multi-turn, thrust taking spur gearboxes.
