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Rotork IW Mk2 - Quarter-Turn Worm Gearbox
Brand: Rotork PLCThe new IW Mk2 worm gear operators have been designed to suit isolating duty motorized applications.
The gearboxes include low lead angle gearing designed to be inherently self-locking, and offer an increased torque output per size compared to the previous IW range
IW Mk2 worm gear operators are quarter-turn devices intended for the operation of ball, plug and butterfly valves.
21 sizes. IW3 to 13 torque range up to 203,000 Nm (149,725 ft lbs).
4 sizes. IW14 to 17 torque range from 250,000 Nm to 850,000 Nm (184,391 ft lbs to 626,927 ft lbs).
Features- Comprehensive gear ratios combined with a selection of auxiliary input spur gear reducers
- Inherently self-locking gearing
- Angular contact bearings supporting worm shaft
- Removable and repositionable output sleeve
- Repositionable baseplate facility
- Options include:
- High and low temperatures
- All types of environment
- Flexible extensions
Specifications
Brand
Operating Temperature
- -40° to 250° F (-40° to 120° C)
Environmental Protection
- IP67
- IP68
Approvals & Certifications
- ATEX
Case Material
- Gearcase & Reducer Gearcase: SG Iron
Worm Shaft Material
- Protected Steel
Material of Construction
- Baseplate, Quadrant: SG Iron
- Baseplate: Cast Iron
- Position Indicator, Output Sleeve, Reducer Gearing: Steel
Flange Material
- Input Flange: SG Iron
Seal Material
- Nitrile Rubber