Heavy-Duty 508 Series Stringing Block For Power Line Construction
The 508 Series Stringing Block is a professional-grade tool
designed for power line construction, maintenance, and conductor
stringing operations. Engineered for durability and efficiency,
this stringing block ensures smooth cable and wire rope handling
during transmission and distribution line installations.
Key Features & Benefits:
- Heavy-Duty Construction – Made from high-strength galvanized
steel or lightweight aluminum for long-term reliability.
- Ball Bearing Sheave – Reduces friction, allowing smooth
conductor movement and minimizing wear.
- ANSI Compliance – Meets industry standards for safety and
performance in power line applications.
- Corrosion-Resistant Finish – Zinc-plated or anodized coating
for extended service life in harsh environments.
- Multiple Sheave Options – Available in single, double, or
triple sheave configurations for different cable types.
- Quick-Release Hook – Enables fast attachment and removal from
support structures.
- High Load Capacity – Rated for conductors, OPGW, ADSS, and
other utility cables.
Applications:
- Transmission Line Construction – Stringing conductors and
ground wires.
- Distribution Line Work – Installing new cables or replacing old
ones.
- OPGW & ADSS Installation – Fiber optic cable deployment.
- Maintenance & Repair – Used in live-line work and emergency
restoration.
- Railway & Telecom Cabling – Overhead wire installations.
Available Models:
- Single Sheave (508-S) – Basic model for standard conductor
stringing.
- Double Sheave (508-D) – For parallel conductor or OPGW
installation.
- Triple Sheave (508-T) – Heavy-duty use with multiple cables.
- Insulated Version (508-I) – For live-line work up to 36kV.
- Custom Configurations – Special sizes and materials available.
Why Choose the 508 Series?
- Proven Reliability – Used by utility companies worldwide.
- Low Maintenance – Sealed bearings prevent dirt and moisture
ingress.
- Safety Certified – Tested for load capacity and durability.
- Easy to Transport – Compact design with carrying handle.
- Long Service Life – Resistant to abrasion and UV degradation.
| Item number | Model | Number of sheaves | Rated load (kN) | Weight (kg) | Features |
| 10101 | SHD508 | 1 | 20 | 18 | Rubber lined aluminium sheave |
10102 | SHS508 | 3 | 40 | 61 | Middle:Cast steel sheave Conductor:Rubber lined aluminium sheave |
| 10103 | SHW508 | 5 | 60 | 93 | Middle:Cast steel sheave Conductor:Rubber lined aluminium sheave |
| 10104/10104A | SHDN508 | 1 | 20 | 16 | MC nylon sheave |
| 10105 | SHSLN508 | 3 | 40 | 47 | Middle:MC nylon sheave Conductor:Rubber lined aluminium sheave |
| 10106 | SHWLN508 | 5 | 60 | 79 | Middle:MC nylon sheave Conductor:Rubber lined aluminium sheave |
| 10107/10107A | SHSQN508 | 3 | 40 | 38 | MC nylon sheave |
| 10108/10108A | SHWQN508 | 5 | 60 | 70 | MC nylon sheave |
