Rotork IW Manual

The IW range of quadrant Worm gear valve operators is available in manual and motorised configurations and features a removable sleeve to facilitate bore and keyway machining. This sleeve can be rotated in steps to facilitate mounting to the valve.

IW size 3 to 13 torque range up to 264,000 Nm.

IW size 14 to 17 torque range from 250,000 Nm to 850,000 Nm.

Worm shaft supported by angular contact bearingHigh efficiency and multiple ratiosRemovable drive sleeves up to IW11Stroke: 0 to 90º (+/- 5º adjustable)

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