Worm gearbox operator,Manual gearbox for butterfly valves - HEARKEN
![](https://www.hearkenflow.com/upload/1c/202112/hgb-series-manual-override-2.jpg)
HGB series valve manual device adopts worm gear and worm drive pair.and high performance needle roller bearing is installed at both ends of the worm, with compact structure. At the same time, the requirement of thrust in the process of positive inversion is ensured, Large torque, high mechanical efficiency, small size, easy operation and reliable self locking.
![](https://motionandrotation.com/cdn/shop/products/50-2_rc_1_1024x.jpg?v=1660526986)
40 Roller Chain Double Strand 1/2 Pitch, 10 Feet Plus, 58% OFF
![](https://www.ayvaz.com/images/urunler/Worm_Gear.png)
Worm Gearbox Operator,Manual Gearbox For Butterfly Valves
![](https://ae01.alicdn.com/kf/S80930bfdc1ed48caaa3f4970502c6500E/Declutch-Manual-Worm-Gear-Operator-Hand-Wheel-Gear-Operator-for-Butterfly-Valve-Ball-Valve.jpg)
Worm Gearbox Operator,Manual Gearbox For Butterfly Valves
![](https://maedlernorthamerica.com/wp-content/uploads/2020/09/Getriebe_ZMI_S6.jpg)
Worm Gearbox Operator,Manual Gearbox For Butterfly Valves
![](https://i.ebayimg.com/images/g/~5cAAOSwNu1k0rNN/s-l1600.jpg)
40 Roller Chain Double Strand 1/2 Pitch, 10 Feet Plus, 58% OFF
![](https://i.ebayimg.com/thumbs/images/g/DtEAAOSwcWZk0rTe/s-l225.jpg)
40 Roller Chain Double Strand 1/2 Pitch, 10 Feet Plus, 58% OFF
![](https://m.media-amazon.com/images/I/81FX0eUm2sL._AC_UF1000,1000_QL80_.jpg)
40 Roller Chain Double Strand 1/2 Pitch, 10 Feet Plus, 58% OFF
![](https://www.rundles.co.uk/wp-content/uploads/2017/05/vf-vf.jpg)
Worm Gearbox Operator,Manual Gearbox For Butterfly Valves
![](https://www.bj-gear.com/media/2179/3d.jpg)
Worm Gearbox Operator,Manual Gearbox For Butterfly Valves
![](https://www.hearkenflow.com/upload/1c/202112/hgb-series-manual-override-4.jpg)
Worm gearbox operator,Manual gearbox for butterfly valves - HEARKEN