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:
- Transmission line angle tower installations
- Distribution line directional changes
- River and valley cable crossings
- Urban power line rerouting projects
- Substation cable entry points
- Railway electrification curves
- 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 |
