Quarter-Turn Worm Gearbox
Chongqing hongar is a renowned Quarter-Turn Worm Gearbox manufacturer, supplier & exporter in china. A Quarter-Turn Worm Gearbox is a mechanical device that transmits rotational power from one shaft to another at a 90-degree angle. It is typically used when precise and controlled torque is required, such as in valve actuation systems or other rotary motion control applications.
A Quarter-Turn Worm Gearbox manufacturer - chongqing hongar is a company that specializes in the design and production of Quarter-Turn worm gearboxes. We ensure high quality and reliable performance for our customers. Furthermore, our Quarter-Turn Worm Gearbox can deliver torque ranging between 800 Nm - 500000 Nm (590 lbf-ft - 3,68,800 lbf-ft).
YJ Series Quarter-Turn Worm Gearbox for Butterfly Ball Valves
YJ series Quarter-Turn Worm Gearbox suitable for ball valves, butterfly valves, plug,etc. Handwheel can be customized.
YJ series Quarter Turn Gearboxes use worm and worm wheel revolute pairs, with high performance tapered roller bearing assembled on both ends of the worm shaft. It ensures the thrust requirement during rotation. It's in high mechanical efficiency, easy to operate and has reliable self-locking function.
These gear operators are well suited for applications in waterworks, chemical, power, HVAC and most general industrial applications.
The flange connecting to valve is according to ISO5211.
Products Description
Product Characters:
Totally enclosed gearing
Ductile cast iron housing, reliable strength
Working Temperature: From -20ºC to 120ºC( -4ºF to 248ºF)
Grease filled for longer life
Comprehensive ratios for different applications
Inherently self-locking gearing
High efficient tapered roller bearing
Adjustable stopper (± 5°)
Standard protection grade is IP65 (IP67, IP68 optional)


Products models
we provide Quarter Turn Gearboxes includes the following four operating modes

Quarter Turn Worm Gearbox - Hand-Wheel Operation Quarter Turn Worm Gearbox - Actuator Operation

Quarter Turn Worm Gearbox with Spur Gearbox - Hand-Wheel Operation Quarter Turn Worm Gearbox with Spur Gearbox - Actuator Operation
Products Features
PTFE thrust washers
Cast iron housing
Ductile iron quadrant
Stroke 0°- 90°, adjustable ±5°
Silicon seal on stop bolts
Position indicator in stainless steel
Zinc plated fasteners
Enclosure sealed to IP67
We are Manufacturer, Supplier, Exporter of Quarter Turn Gearboxes, Quarter Turn Worm Gearbox, Bevel Gearbox For Multi Turn Valve, Quarter-Turn Gearboxes. Our set up is situated in chongqing china,and we provide our products and services to ALL OVER THE WORLD.
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