KBK light crane system
ATEX Certified Spark-Resistant Lifting Solution for Volatile & Explosive Atmospheres

1. Product Overview
The Weiyuan DHR Explosion-Proof Modular Wire Rope Hoist is engineered to deliver maximum operational safety in volatile industrial environments containing combustible gases, vapors, or dust. Certified to international ATEX and IECEx standards for Zone 1, Zone 2, Zone 21, and Zone 22, this hoist features flameproof electrical enclosures, non-sparking copper-alloy components, and intrinsically safe controls to prevent ignition hazards.
2. Key Advantages & Technical Highlights
- ATEX & IECEx Flameproof Certification: Designed with Ex d IIB T4 / Ex d IIC T4 explosion-proof ratings for complete peace of mind in hazardous locations.
- Spark-Proof Mechanical Protection: Bronze-coated hooks, brass trolley wheels, and stainless-steel wire rope guides eliminate friction-induced sparks.
- Intrinsically Safe Electrical Systems: Fully sealed terminal boxes, IP66 enclosure ratings, and low-voltage explosion-proof control pendants.
- Heavy-Duty Failsafe Brake: Enclosed explosion-proof disc brake engages instantly upon power disruption, ensuring positive load suspension.
3. Technical Specifications
| Specification Parameter | Standard Value / Range |
|---|---|
| Rated Lifting Capacity | 2 Ton – 20 Ton |
| Explosion-Proof Marking | Ex db eb h IIB/IIC T4 Gb / Ex tb IIIC T135°C Db |
| Lifting Height | 6m / 9m / 12m / 18m |
| Lifting Speed | 0.8 / 5.0 m/min (Explosion-proof dual speed) |
| Duty Rating / Protection | FEM 2m / IP65 Waterproof & Dustproof |
| Trolley Flange Width | 116mm – 320mm (Adjustable) |
| Ambient Operating Temp | -20°C to +40°C |
4. Typical Application Scenarios
- Petroleum refineries, offshore oil rigs, and gas terminal processing bays
- Chemical synthesis facilities, paint manufacturing, and resin blending plants
- Pharmaceutical solvent extraction plants and active ingredient synthesis suites
- Coal dust processing, grain storage elevators, and gunpowder handling bays

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 ?
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.