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Heavy Duty 660 Series Stringing Block for High Tension Power Line and OPGW Installation Projects
Heavy Duty 660 Series Stringing Block for High Tension Power Line and OPGW Installation Projects
Heavy Duty 660 Series Stringing Block for High Tension Power Line and OPGW Installation Projects
Heavy Duty 660 Series Stringing Block for High Tension Power Line and OPGW Installation Projects
Heavy Duty 660 Series Stringing Block for High Tension Power Line and OPGW Installation Projects
Heavy Duty 660 Series Stringing Block for High Tension Power Line and OPGW Installation Projects
Heavy Duty 660 Series Stringing Block for High Tension Power Line and OPGW Installation Projects
Heavy Duty 660 Series Stringing Block for High Tension Power Line and OPGW Installation Projects
Heavy Duty 660 Series Stringing Block for High Tension Power Line and OPGW Installation Projects
Heavy Duty 660 Series Stringing Block for High Tension Power Line and OPGW Installation Projects
Specifications
Brand Name :
Suntech
Model Number :
660
Certification :
ISO
Place of Origin :
Ningbo
MOQ :
1 PCS
Price :
Negotiable
Payment Terms :
L/C,T/T
Supply Ability :
3000 PCS/Month
Delivery Time :
3-7days
Packaging Details :
Plywood Case
Name :
660 Series Stringing Block
Model :
SHD
Sheave :
1-5
Rated Load :
20-60KN
Weight :
30-110KG
Warranty :
1 year
Description
Heavy Duty 660 Series Stringing Block for High Tension Power Line and OPGW Installation Projects
The 660 Series Stringing Block is a heavy-duty, professional-grade tool specifically designed for the demanding tasks of high-tension stringing in power transmission and distribution projects. It is an essential component in the cable and conductor installation process, serving as a guided pathway that supports and protects cables as they are pulled over long distances, often under immense tension. This series is engineered to handle larger diameter conductors, bundled configurations, and specialized cables like Optical Ground Wire (OPGW) that are common in modern high-voltage and extra-high-voltage (EHV) transmission lines.
Product Specifications
Item Number Model Number of Sheaves Rated Load (kN) Weight (kg) Features
10121 SHD660 1 20 30 Rubber lined aluminium sheave
10122 SHS660 3 40 100 Middle: Cast steel sheave
Conductor: Rubber lined aluminium sheave
10123 SHW660 5 60 150 Middle: Cast steel sheave
Conductor: Rubber lined aluminium sheave
10124 SHDN660 1 20 26 MC nylon sheave
10125 SHSN660 3 40 86 Middle: MC nylon sheave
Conductor: Rubber lined aluminium sheave
10126 SHWLN660 5 60 120 Middle: MC nylon sheave
Conductor: Rubber lined aluminium sheave
10127 SHSQN660 3 40 70 MC nylon sheave
10128 SHWQN660 5 60 110 MC nylon sheave
10130 SHQ660A 7 75 190 Middle: Cast steel sheave
Conductor: MC nylon sheave
Key Features & Benefits
  • Minimizes Friction and Required Pulling Force: Large-diameter sheave and high-quality bearings dramatically reduce friction, allowing for longer continuous pulls and faster stringing operations.
  • Protects Expensive and Sensitive Cables: Engineered sheave groove profile cradles cables without pinching, preventing damage to OPGW and fiber optic cables.
  • Essential for Modern High-Tension Applications: Ideal for high-capacity conductors and bundled configurations common in today's power line construction.
  • Designed for Durability and Long Service Life: Corrosion-resistant materials and sealed bearings withstand harsh environmental conditions.
  • Enhances Worksite Safety: Prevents sudden jerks, cable snags, or derailments that could lead to dangerous situations during pulling operations.
  • Facilitates OPGW Installation: Protects fragile glass fibers in optical ground wires from crushing forces and bending stresses.
  • Improves Project Efficiency: Reduces pulling force requirements, minimizes downtime, and enables longer continuous pulls.
  • Industry Standard for Professional Contractors: Demonstrates commitment to quality installation and industry best practices.
  • Supports Reliable Electrical Infrastructure: Contributes to building resilient grids by ensuring damage-free cable installation.
  • Foundational Investment: Essential specialized tool for utility companies and electrical contractors performing overhead line installation.
The 660 Series Stringing Block is a precision-engineered enabler for modern power line construction. It tackles the fundamental challenge of moving heavy, sensitive cables over long distances with control and care. By combining robust construction with smooth operation, it protects critical infrastructure assets, enhances crew safety, and drives efficiency, making it an indispensable tool for building and maintaining the high-voltage networks that power our world.
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Heavy Duty 660 Series Stringing Block for High Tension Power Line and OPGW Installation Projects

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Product Detail
Brand Name :
Suntech
Model Number :
660
Certification :
ISO
Place of Origin :
Ningbo
MOQ :
1 PCS
Price :
Negotiable
Contact Supplier
Heavy Duty 660 Series Stringing Block for High Tension Power Line and OPGW Installation Projects
Heavy Duty 660 Series Stringing Block for High Tension Power Line and OPGW Installation Projects
Heavy Duty 660 Series Stringing Block for High Tension Power Line and OPGW Installation Projects
Heavy Duty 660 Series Stringing Block for High Tension Power Line and OPGW Installation Projects
Heavy Duty 660 Series Stringing Block for High Tension Power Line and OPGW Installation Projects

Ningbo Suntech Power Machinery Tools Co.,Ltd.

Verified Supplier
6 Years
zhejiang, ningbo
Since 1995
Business Type :
Manufacturer, Distributor/Wholesaler, Agent, Importer, Exporter, Trading Company, Seller, Other
Main Products :
Conductor Stringing Tools, Conductor Stringing Blocks, Cable Roller Pulley
Total Annual :
>300 Million
Employee Number :
>158
Certification Level :
Verified Supplier
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