Tandem Sheave Stringing Block 25KN Load Aluminum/Nylon Sheave

​​Dual-Sheave Stringing Block With Synchronized Rotation​

1. Dual-Sheave Performance​​

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  Simultaneous operation of two sheaves for balanced load distribution

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  Supports cable diameters up to 80mm

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  Working load limit: 15,000 lbs (6,804 kg)

​​2. Industrial-Grade Construction​​

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  Forged aluminum alloy frame (6082-T6)

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  Precision-matched sealed bearings

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  Hardened steel axle pins

​​3. Advanced Load Management​​

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  Automatic load balancing between sheaves

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  Individual sheave brake systems

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  Real-time load monitoring

​​4. Ergonomic Design​​

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  30% lighter than comparable steel blocks

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  Centralized control panel

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  Quick-release sheave access

​​5. Comprehensive Applications​​

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  Ideal for:

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    Bundle conductor installation

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    Heavy transmission line work

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    Long-span cable installations

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    High tension stringing

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    Special cable configurations

​​6. Low Maintenance Operation​​

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  Self-lubricating bearing system

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  Corrosion-resistant materials

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  Field-serviceable components

​​7. Productivity Features​​

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  40% faster than single sheave blocks

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  Reduces cable wear by 60%

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  Enables precise tension control

​​8. Job Site Ready​​

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  Includes mounting hardware kit

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  Protective transport case

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  Pre-assembled for immediate use

​​9. Professional Certifications​​

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  ASTM F2434 compliant

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  CE certified

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  IEEE 524 rated

​​10. Long-Term Value​​

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  25,000+ operation cycles

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  8-year structural warranty

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  Reduces equipment inventory needs

​​11. Size Options​​

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  Sheave diameters: 400mm, 500mm, 600mm

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  Groove configurations: matched pairs

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  Custom sizes available

​​12. Environmental Resistance​​

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  -30°C to +70°C operating range

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  IP65 water/dust protection

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  UV-resistant coating

​​13. User Features​​

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  Color-coded load indicators

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  Tool-free sheave changes

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  Integrated cable guides

​​14. Package Contents​​

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  Tandem sheave main unit

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  Spare bearing set

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  Mounting hardware kit

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  Operation manual

​​15. Industry Applications​​

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  Extra high voltage transmission

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  Renewable energy interconnects

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  Bridge cable installations

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  Industrial power projects

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  Utility maintenance programs

​​16. Performance Benefits​​

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  Maintains perfect cable alignment

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  Even load distribution

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  Smooth operation under heavy loads

​​17. Technical Innovations​​

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  Patented load balancing system

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  Synchronized sheave rotation

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  Anti-vibration mounts

​​18. Purchase Options​​

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  Direct from manufacturer

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  Volume discounts

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  Global availability

​​19. Training Support​​

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  Installation videos

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  Safety training modules

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  Maintenance tutorials

​​20. Quality Assurance​​

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  Each unit load tested

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  Full traceability

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  1-year performance guarantee

Ningbo Suntech Power Machinery Tools Co.,Ltd.