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

  ​