Multi-Groove Double Sheave Block For Parallel Cable Installation

The ​​Double Sheave Block for Changing Line​​ is a specialized rigging device designed to facilitate smooth directional changes during cable and conductor installation. Featuring two independently rotating sheaves, this professional-grade equipment ensures proper cable alignment while reducing friction and preventing damage during pulling operations.

​​Construction & Design Features:​​

• ​​Frame Material:​​ High-strength galvanized steel or aircraft-grade aluminum
• ​​Sheave Composition:​​ Ultra-high molecular weight polyethylene or reinforced nylon
• ​​Bearing System:​​ Dual sealed ball bearings per sheave
• ​​Sheave Diameter:​​ 6-12 inches (150-300mm) options
• ​​Load Capacity:​​ Rated for 5 tons (4.5 metric tons) working load
• ​​Safety Factor:​​ 4:1 minimum breaking strength
• ​​Mounting System:​​ Multiple attachment points for versatile rigging

​​Performance Advantages:​​

• ​​Directional Control:​​ Maintains proper cable alignment through angle changes
• ​​Reduced Friction:​​ Independent sheave rotation minimizes pulling tension
• ​​Cable Protection:​​ Non-metallic sheave lining prevents conductor damage
• ​​Quick Setup:​​ Tool-free assembly for rapid deployment
• ​​Durable Construction:​​ Withstands harsh installation environments
• ​​Versatile Application:​​ Suitable for various cable types and sizes
• ​​Safety Compliance:​​ Meets ANSI and IEEE standards

​​Professional Applications:​​

1. ​​Transmission line angle tower installations​​
2. ​​Distribution line directional changes​​
3. ​​River and valley cable crossings​​
4. ​​Urban power line rerouting projects​​
5. ​​Substation cable entry points​​
6. ​​Railway electrification curves​​
7. ​​Emergency cable repairs​​

​​Available Configurations:​​

• ​​Standard Steel:​​ General construction applications
• ​​Lightweight Aluminum:​​ For frequent repositioning
• ​​High-Capacity:​​ For large diameter cables
• ​​Insulated:​​ Live-line work rated
• ​​Marine Grade:​​ Corrosion-resistant for coastal use
• ​​Custom:​​ Project-specific angle requirements

​​Why Choose Our Double Sheave Block:​​

• ​​Patented Sheave Alignment System​​
• ​​Exceeds IEEE and ANSI safety standards​​
• ​​Field-tested by utility professionals​​
• ​​Interchangeable wear components​​
• ​​1-year frame warranty

  
  

  Item Number	Model	Outing Size (MM)	Rated Load (KN)	Weight (KG)
  20123	SH2-OPGW1	152x110x343	2	2.4
  20124	SH2-OPGW2	128X65X365	2	2.2

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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.