General purpose overhead crane
Weiyuan 20 Ton Double Girder Overhead Crane
Product Overview
The Weiyuan 20 Ton Double Girder Overhead Crane is built for sustained heavy-duty lifting in factories, warehouses, steel fabrication shops, and processing plants. Featuring a robust double-girder bridge, precise trolley-hoist system, and configurable controls (pendant, remote, or cabin), it delivers stable handling, long-span coverage, and dependable productivity. Typical specs include spans up to 31.5 m, lifting heights up to 25 m, and duty classes from A4–A7 for intensive use.
Product Advantages
- Heavy-Duty Double-Girder Structure
High rigidity and low deflection under load for better positioning accuracy and safety. - Precise, Smooth Operation
Matched motors and reducers deliver steady travel; hoisting speeds offer both fine and efficient lifting. - Broad Customization
Configure span, lifting height, travel speeds, power supply, and control mode to fit your site and standards. - Certified Safety & Quality
ISO/CE support, video outgoing inspection, and machinery test reports available; overload limiter and limit switches as standard. - Maintainability
Modular assemblies and bolted connections streamline shipping, installation, and service.
Application Scenarios
- Steel and fabrication plants: Plate, beam, and assembly handling
- Heavy machinery manufacturing: Equipment, molds, and tooling transfer
- Warehouses and yards: Long-bay load in/out and staging
- Process industries: Paper, cement, power, and chemical plants
- Rail and port workshops: Component moves and maintenance support
Product Specifications
| Parameter | Details |
|---|---|
| Rated Capacity | 20 ton (options 5–100+ ton) |
| Span | 10.5–31.5 m (customizable) |
| Max. Lifting Height | Up to 25 m (per configuration) |
| Work Duty | A4–A7 |
| Lifting Mechanism | Electric trolley-hoist (double girder) |
| Main Hoisting Speed | Approx. 0.58–5.8 m/min (20 t typical) |
| Trolley Travel Speed | Model-dependent |
| Crane Travel Speed | Approx. 6.8–68 m/min (model-dependent) |
| Power Supply | 3-phase AC (e.g., 380V/50Hz; others supported) |
| Control Methods | Pendant / Remote / Cabin control |
| Main Electrical Parts | Schneider-listed on supplier page |
| Documentation | Video outgoing inspection, test reports provided |
Features at a Glance
- Double-girder bridge with box-type structure for strength and stability
- Electric trolley-hoist with single/dual-speed hoisting options
- Precision end carriages, wheels, and reducers for smooth travel
- Integrated safety: overload limiter and travel limit switches
- Documentation support: video inspection and test reports
FAQ
1. What’s the information should I provide when inquiry?
More details or drawings, better. A: Lift capacity B: Crane arm length C: lift height: hook travel distance D: What material to lift E: power source or other specials you give us will be more appreciated.
2. How many operating methods for my selection?
Standard operating methods: A: pendent controller with push buttons .B: remote control with push buttons. Choose any type as you like.
3. Can this type work in hazardous environment?
Sure! We can customize for you, acid proof or explosion proof, no problem for that.
4. What about warranty time ?
Use within the standard for the next 12 months.
5. How can we install the crane? Our senior engineer can be your side to do the installation guide service and training.
6. May I visit your factory?
Of course. We can pick you up at train station, high-speed rail station or airport, and book hotel for you.
