Custom gear reducer Rotork Controls Ltd
IW Gearbox

The IW range of quadrant wormgear valve operators 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 200,000 Nm.

IW size 14 to 17 torque range from 250,000 Nm to 750,000 Nm.

•Worm shaft supported by angular contact bearing.
•High efficiency and multiple ratios.
•Removable drive sleeves up to IW11.
•Stroke: 0 to 90º (+/- 5º adjustable).

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