IW - Quarter-Turn Worm Gearbox

Valve-Gears IW range of quarter-turn operators is available with manual and motorised options and features a removable drive sleeve to accommodate machining to allow direct 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 bearing
• High efficiency and multiple ratios
• Removable drive sleeves up to IW11
• Stroke: 0 to 90º (+/- 5º adjustable)
   

Other options are available, contact us for more details.