Overview
| Model NO. | YVFB，H07VVH6-F | Application | Flat Crane & Festoon ,Flat Gantry Cable,Flat Gantry Cable,Industrial Trailing Cables |
| Voltage | Low Voltage | Conductor | Bare Copper |
| Insulation Material | PVC | Jacket | PVC |
| Material Shape | Flat | Temperature |
-15°C~70°C
|
| Certification | ISO, CCC, CE, RoHS, VDE | Conductor Type | Class 5 |
| Brand | ZhongYI | Voltage Type | 450/750 V |
| Company Name | ZHONGYI Cable Co., Ltd | CORE | 2,3,4,5,6,7,8 |
| Transport Package | Plastic Packaging and Cardboard Boxes | Specification | 2.5-25mm² |
| Origin | HEBEI China | Color | black |
Cable Core Technical Specifications & Data Sheet
| Nominal cross-sectional area (mm²) | Common AWG | Conductor structure (No./single wire diameter mm) | Rated Voltage (U0/U) | Approx. Flat Dimensions (Thickness × Width mm) | Max DC resistance of conductor at 20 ℃ (Ω/km) | Approx. weight kg/km |
|---|---|---|---|---|---|---|
| 4 × 1.5 | 16 | 30/0.25 (Class 5) | 450/750V | ~ 5.2 × 15.3 | 13.3 | 165 |
| 4 × 2.5 | 14 | 49/0.25 (Class 5) | 450/750V | ~ 6.1 × 18.8 | 7.98 | 245 |
| 4 × 4 | 12 | 56/0.30 (Class 5) | 450/750V | ~ 7.2 × 22.4 | 4.95 | 340 |
| 4 × 6 | 10 | 84/0.30 (Class 5) | 450/750V | ~ 8.1 × 25.8 | 3.30 | 465 |
| 4 × 10 | 8 | 80/0.40 (Class 5) | 450/750V | ~ 10.2 × 33.2 | 1.91 | 760 |
Features
Flat Mobile Cables YVFB / H07VVH6-F Comparison Table
| Model Code | International / English Name | Insulation & Jacket | Reinforcement & Shielding | Primary Application Context |
|---|---|---|---|---|
| YVFB | Flexible PVC Flat Crane & Festoon Cable (H07VVH6-F Equivalent) | Standard PVC / Standard PVC | None | Standard indoor overhead cranes and indoor festoon systems with low mechanical stress. |
| YFFB | Heavy-Duty NBR/PVC Flat Trailing Cable | **NBR/PVC Compound** (Ultra-flexible) | None | Outdoor gantry cranes, steel mills, and cold storage locations. Handles low-temperature environments perfectly. |
| YVFBG | Flexible PVC Flat Cable with Steel Messenger Wires | Standard PVC / Standard PVC | Dual Steel Wires (High Tensile) | High-speed towing systems, long-travel elevators, or heavy festoon structures requiring strong pulling tension. |
| YFFBG | Heavy-Duty NBR/PVC Flat Cable with Steel Messenger Wires | **NBR/PVC Compound** | Dual Steel Wires (High Tensile) | Heavy port machinery, container cranes (STS), and harsh outdoor industrial lines with constant mechanical load. |
| YVFBGP | Shielded PVC Flat Cable with Steel Messenger Wires | Standard PVC / Standard PVC | Steel Wires + **Copper Braid Shield (Anti-EMI)** | Inverter-driven (VFD) cranes and automation machinery requiring high tensile strength and electromagnetism defense. |
| YFFBGP | Shielded Heavy-Duty NBR/PVC Flat Cable with Steel Messenger Wires | **NBR/PVC Compound** | Steel Wires + **Copper Braid Shield (Anti-EMI)** | The premium choice. Outdoor large-scale VFD container cranes, heavy-duty mining machinery, and precision industrial lifters. |
Ultra-Flexible Flat Profile: Specially engineered with a flat structure to allow a much smaller bending radius and space-saving tracking.
Anti-Twisting Design: Resists tangling, twisting, and knotting during continuous back-and-forth tracking movements.
Heavy-Duty PVC Jacket: Made of a specialized flexible PVC compound that offers high resistance to tearing, aging, moisture, and mild oils.
High-Speed Tracking Durability: Built with Class 5 fine-stranded pure copper conductors to withstand continuous mechanical flexing stress.
Application
Cranes & Hoists: Widely used as power and control supply lines for overhead cranes, gantry cranes, and electric hoists.
Festoon & Conveyor Systems: Perfect for mobile festoon cable systems, automated conveyors, and materials handling equipment.
Lifters & Elevators: Ideal for vertical lift systems, stage lighting equipment, and dynamic machinery tracking guides.
Industrial Trailing Cables: Suitable for connecting moving parts of machine tools where directional bending is required.
Certification
Factory
FAQ
1. Why is the flat geometry design essential for overhead crane and festoon wiring?
Anti-Twisting & Space-Saving Mechanics:Unlike standard round cables that tend to twist, knot, and tangle under continuous back-and-forth travel, our YVFB / H07VVH6-F cable features a precision-extruded flat parallel structure. This low-profile geometry restricts the bending path to a single cross-sectional axis, allowing for a significantly smaller minimum bending radius and preventing dangerous twisting stress inside festoon cable tracks or overhead crane lifters. The flat profile also enables compact stacking, maximizing spatial efficiency in heavy gantry setups.
2. What are the engineering benefits of utilizing Class 5 fine bare copper strands in mobile trailing cables?
Dynamic Flexing & Conductor Fatigue Resistance:
Mobile industrial equipment subjects traveling cables to severe, endless dynamic flexing. To prevent internal wire rupture and localized electrical hot-spots, our YVFB flat crane wires are manufactured using 99.99% pure Oxygen-Free Copper (OFC) bundled into high-strand Class 5 configurations (such as 30/0.25 strands for 1.5mm² sections). This highly pliable matrix distributes mechanical pulling forces uniformly across individual micro-strands, securing exceptional flex life and stable current conductivity.
3. How do the technical standards of Chinese YVFB and European H07VVH6-F codes align?
Universal Multi-Standard Equivalence:
The designations map strictly out to serve harmonized international engineering bids: ‘YVFB’ defines the cable structure under China’s rigorous national industrial standard (Y-Mobile Flat Type, V-PVC Insulation, V-PVC Jacket), explicitly carrying a rated voltage threshold up to 450/750V. Conversely, ‘H07VVH6-F’ explicitly aligns with European VDE / EN 50214 harmonization frameworks (H07-450/750V rating, V-PVC Insulation, V-PVC Jacket, H6-Flat Multi-Core, F-Flexible Class 5 Conductor), ensuring seamless engineering compliance across global material handling tenders.
4. Is the standard PVC sheathed YVFB cable recommended for aggressive outdoor port or steel mill environments?
Application Matrix & Polymer Alternatives:
Our standard PVC-sheathed YVFB cable is optimized exclusively for indoor overhead crane tracking and light industrial environments with stable ambient ranges (-15°C to 70°C). For heavy-duty outdoor gantries, extreme cold storage facilities, or high-heat steel mills, we engineer specialized material upgrades: our YFFB series implements an advanced NBR/PVC compound for extreme low-temperature elasticity, while the YVFBG/YFFBG configurations add integrated high-tensile dual steel messenger wires to absorb extreme longitudinal towing strain.
5. What wholesale core variations and project packaging logistics does ZHONGYI CABLE guarantee?
B2B Manufacturing Capacity & Project Support:
As a premier direct B2B cable manufacturer, we supply YVFB / H07VVH6-F flat trailing cables in various core configurations (spanning 2 to 8 cores and above) with standard industrial cross-sections ranging from 2.5 mm² up to 25 mm². To protect the precise flat edge alignment and avoid structural compression deformities during maritime sea freight transit, bulk orders are coiled cleanly in easy-pull plastic matrices or wrapped on heavy-duty wooden reels, backed by official Type Test Reports and Routine Factory Test Certificates.
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