产品名称:XHW Part-turn Worm Gearboxes
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XBURS XHW series Part-turn Worm Gearboxes use worm and worm wheel revolute pairs, which can satisfy the thrust requirements with high performance needle roller bearing assembled on both ends of the worm in compact structure. It is in high mechanical efficiency, small size, convenient operation, has reliable self-locking performance which can also withstand big torque.


1.Precision casting ductile iron housing
2.Optional output torque, range up to 32000Nm
3.High efficient needle roller bearing
4.High strength steel input shaft
5.Stroke 0°-90°(±5°)
6.Compact structure
7.Grease filled for longer life
8.Adjustable stopper (±5°)
9.Good seal


XHW series part-turn worm gearboxes are applied to dampers, ball valves, butterfly valves and also other 90°rotary valves. XHW series worm gear operator hand wheel are with variety models for optional.

Operating Environment

XHW series part-turn worm gearboxes are with good mechanical quality and steady operating performance which apply to deal with variety climate and temperature. We strive to develop XHW series worm gear operator to meet higher demands.

● Enclosure: IP67
● Working Temperature: From -20℃ to 120℃( -4℉ to 248℉)
● Painting: Blue RAL5017

Connect With Valve

The flange connecting to valve is according to ENISO5210 or DIN3210 (Customization)

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