Ningbo Suntech Power Machinery Tools Co.,Ltd.
Ningbo Suntech Power Machinery Tools Co., Ltd. Professional Manufacturer and Exporter of Electric Power Field
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Dual-Sheave Stringing Block With Synchronized Rotation
1. Dual-Sheave Performance
Simultaneous operation of two sheaves for balanced load distribution
Supports cable diameters up to 80mm
Working load limit: 15,000 lbs (6,804 kg)
2. Industrial-Grade Construction
Forged aluminum alloy frame (6082-T6)
Precision-matched sealed bearings
Hardened steel axle pins
3. Advanced Load Management
Automatic load balancing between sheaves
Individual sheave brake systems
Real-time load monitoring
4. Ergonomic Design
30% lighter than comparable steel blocks
Centralized control panel
Quick-release sheave access
5. Comprehensive Applications
Ideal for:
Bundle conductor installation
Heavy transmission line work
Long-span cable installations
High tension stringing
Special cable configurations
6. Low Maintenance Operation
Self-lubricating bearing system
Corrosion-resistant materials
Field-serviceable components
7. Productivity Features
40% faster than single sheave blocks
Reduces cable wear by 60%
Enables precise tension control
8. Job Site Ready
Includes mounting hardware kit
Protective transport case
Pre-assembled for immediate use
9. Professional Certifications
ASTM F2434 compliant
CE certified
IEEE 524 rated
10. Long-Term Value
25,000+ operation cycles
8-year structural warranty
Reduces equipment inventory needs
11. Size Options
Sheave diameters: 400mm, 500mm, 600mm
Groove configurations: matched pairs
Custom sizes available
12. Environmental Resistance
-30°C to +70°C operating range
IP65 water/dust protection
UV-resistant coating
13. User Features
Color-coded load indicators
Tool-free sheave changes
Integrated cable guides
14. Package Contents
Tandem sheave main unit
Spare bearing set
Mounting hardware kit
Operation manual
15. Industry Applications
Extra high voltage transmission
Renewable energy interconnects
Bridge cable installations
Industrial power projects
Utility maintenance programs
16. Performance Benefits
Maintains perfect cable alignment
Even load distribution
Smooth operation under heavy loads
17. Technical Innovations
Patented load balancing system
Synchronized sheave rotation
Anti-vibration mounts
18. Purchase Options
Direct from manufacturer
Volume discounts
Global availability
19. Training Support
Installation videos
Safety training modules
Maintenance tutorials
20. Quality Assurance
Each unit load tested
Full traceability
1-year performance guarantee
| Item number | Model | Applicable Conductor | Rated load (kN) | Weight (kg) | Remark |
| 10211 | SHR-2.5 | LGJ300-500 | 25 | 11 | Aluminium sheave |
| 10212 | SHRN-2.5 | LGJ300-500 | 25 | 9.5 | Nylon sheave |
