VANXON / VALVE GEARBOXES
Manual gearbox
Ductile iron & cast steel housing, high strength & impact resistance Bronze worm gear set, wear-resistant smooth transmission Multiple reduction ratios from 20:1 to 80:1 optional CNC precision boring & milling, standard ISO mounting interface Uniform black anti-corrosion coating, anti-rust for long-term use Clear visual dial indicator to check valve opening status Perfect match for 90° ball valves & butterfly valves of all calibers Self-locking worm design, labor-saving manual handwheel operation Stable torque output for light & heavy-duty pipeline valves Small sample orders & mass bulk production supported Full production inspection process to guarantee consistent quality Suitable for water supply, chemical, HVAC & industrial piping
TECHNICAL DETAILS
The details behind the fit.
Review the model, material and connection before confirming your component.
| Component | Manual gearbox |
|---|---|
| Manufacture | To the selected reference, drawing or sample |
| Material & finish | Confirmed for the requested component |
| Dimensions | Please provide a dimensioned drawing |
| Order requirements | Quantity, destination and inspection requirements |
Published model data is provided for reference. Confirm dimensions, units, material and operating limits against your approved drawing before ordering.
MANUFACTURING
A closer look at the factory.
Machining and assembly at our workshops in Pingyin, Jinan.
COMPANY DOCUMENTS
Qualifications, clearly presented.
Archived copy from our company website. The ISO 9001 certificate shown is dated valid until 24 September 2026; please request the latest copy for supplier approval.
PRODUCTION & STOCK
From individual parts to batches.
A view of our component production and packing. These are shared factory photographs; availability for your selected model is confirmed with the quotation.
EXPORT PREPARATION
Packed for the next journey.
Protective packing, container loading and dispatch from our factory.
CUSTOMER VISITS
Good connections begin in person.
Technical discussions, production reviews and visits to the workshop.



