Multi-Sheave 660 Series Stringing Block For OPGW & ADSS Cables

The ​​660 Series Stringing Block​​ is a professional-grade tool engineered for demanding power line construction and maintenance operations. Designed with utility professionals in mind, this stringing block delivers exceptional performance in conductor and cable installation projects.

​​Key Features & Benefits:​​

• ​​Robust Construction​​ - Fabricated from high-grade galvanized steel or aircraft-grade aluminum alloy for maximum durability
• ​​Precision Sheave System​​ - Features ball bearing sheaves that ensure smooth cable movement with minimal friction
• ​​Enhanced Safety​​ - Meets ANSI standards for load capacity and operational safety in power line applications
• ​​Weatherproof Design​​ - Zinc-plated or anodized finish provides superior corrosion resistance
• ​​Versatile Configuration​​ - Available in single, sriple, and five sheave options to accommodate various cable types
• ​​Quick-Connect Mechanism​​ - Allows for rapid installation and removal from support structures
• ​​Optimized Weight Distribution​​ - Balanced design reduces operator fatigue during extended use

​​Applications:​​

• ​​High-voltage transmission line construction​​ - Efficient conductor stringing operations
• ​​Distribution line maintenance​​ - Cable replacement and repair projects
• ​​Fiber optic cable installation​​ - OPGW and ADSS cable deployment
• ​​Emergency restoration work​​ - Storm damage repair operations
• ​​Railway electrification​​ - Overhead contact system installation

​​Available Models:​​

• ​​Standard 660-S​​ - Single sheave configuration for basic conductor stringing
• ​​660-D​​ - Dual sheave design for parallel conductor installation
• ​​660-T​​ - Triple sheave model for heavy-duty applications
• ​​660-I​​ - Insulated version for live-line work up to 36kV
• ​​Custom Solutions​​ - Special configurations available upon request

​​Why Choose the 660 Series?​​

• ​​Proven Performance​​ - Trusted by leading utility companies worldwide
• ​​Reduced Maintenance​​ - Sealed bearing system prevents contamination
• ​​Safety Assurance​​ - Rigorously tested for reliability under extreme conditions
• ​​Operator Comfort​​ - Ergonomic design minimizes physical strain
• ​​Long Service Life​​ - Engineered to withstand harsh environmental conditions

Suntech Power Group is one of the largest Procurement, Engineering & Contracting Group companies in China.Our group branch company and factory have already engaged

in the field of electric power more than 26 years.

1.Steel structure industry especially steel towers and related products which include power towers and substation structures, telecommunication towers and related products of telecom sites, street light poles and so on.

2.Transmission line stringing tools and equipments,undergroud cable pulling tools incuded Stringing Blocks,Hoisting Tackles,Cable Rollers,Conductor Gripper,Gasoline Powered Winch,Hydraulic Puller Tensioner,Gin Poles,Inspection Trolleys and other rated machines.

3.Power fittings,transmission insulators and wires and cables included Suspension insulator,glass insulator,porcelain insulator,aluminum conductor steel reinforced,all aluminum alloy conductor,aluminum clad steel strand, aerial bounded cable,power cable,holding clamp,pulling clamp with pulley,arch plates,connector pipes and rated fittings.

And our branch company Ningbo Suntech Power Machinery Tools Co.,Ltd. as a professional global supplier

who have been exporting more than 90 countries in the world, we have been trying to focus on the comprehensive solutions like provides all related products and engineering services as client's requirement, for example from engineering consultant, design services, drawing services, manufacturing, transportation, supervision and even installation construction & maintenance services.

Insisting on business philosophy of “To be honest, To get win-win” and service concept of pursuing maximizing customer value , makes it win great reputations from both telecommunication operators and electricity power operators,we are willing to develop and share sucess with you.