Large Diameter Galvanized 3-Sheave Nylon Belt Pulley Stringing Block with Customizable OEM Options for Power Transmission
The Large Diameter 3-Sheave Nylon Belt Pulley Stringing Block is a durable and high-performance device designed for overhead power line construction and cable stringing operations. Its three sheaves allow multiple conductors or ropes to be guided simultaneously, improving stringing efficiency and reducing conductor friction.
Constructed with high-quality nylon and precision steel bearings, this pulley block ensures smooth operation, long service life, and minimal maintenance. The large diameter design further enhances performance for heavy-duty applications. OEM customization options are available to meet specific project requirements.
A 3-sheave nylon pulley stringing block is a mechanical device used to guide and support conductors, ropes, or cables during stringing of transmission and distribution lines.
The nylon sheaves provide low-friction, lightweight, and durable operation, while the large diameter ensures smooth cable movement under high tension. Customizable OEM options allow adaptation to different cable sizes, load capacities, and project specifications.
Supports multiple conductors or ropes simultaneously, improving efficiency.
Smooth cable guidance, reducing wear and friction.
Lightweight, durable, and corrosion-resistant.
Ensures stability and long service life under heavy loads.
Adaptable to different projects, cable sizes, and load requirements.
Designed for quick setup on towers, poles, or crossarms.
- Improves Stringing Efficiency - Multiple sheaves allow simultaneous conductor guidance
- Protects Conductors - Low-friction nylon reduces abrasion and surface damage
- Durable & Lightweight - Nylon sheaves + steel frame for long-lasting performance
- Flexible & Customizable - OEM options available for different project needs
- Reliable Performance - Smooth operation ensures safe and controlled cable stringing
- Overhead power line construction and maintenance
- Transmission and distribution line projects
- Fiber optic and telecom cable stringing
- Utility and infrastructure projects
- Railway and road power line installations
| Item No. | Model | ACSR Size Range (mm²) | Working Load (KN) | Weight (kg) | Material of Sheave |
|---|---|---|---|---|---|
| 10102H | SH3Z508 | 300-400 | 40 | 61 | Central steel or Nylon sheave, Side sheave Aluminum lined with neoprene |
| 10105H | SH3ZL508 | 300-400 | 40 | 47 | Central steel or Nylon sheave, Side sheave Aluminum lined with neoprene |
| 10122H | SH3ZL660 | 400-500 | 40 | 106 | Central steel or Nylon sheave, Side sheave Aluminum lined with neoprene |
| 10125H | SH3ZLN660 | 400-500 | 40 | 92 | Central steel or Nylon sheave, Side sheave Aluminum lined with neoprene |
| 10146H | SH3ZLN822 | 500-700 | 60 | 128 | Central steel or Nylon sheave, Side sheave Aluminum lined with neoprene |
| 10107H | SH3Z508 | 300-400 | 40 | 43 | Nylon, optional can be lined with neoprene |
| 10127H | SH3Z660 | 400-500 | 40 | 76 | Nylon, optional can be lined with neoprene |
| 10132H | SH3Z750 | 500-600 | 60 | 98 | Nylon, optional can be lined with neoprene |
| 10142H | SH3Z822 | 600-700 | 60 | 110 | Nylon, optional can be lined with neoprene |
| 10152H | SH3Z916 | 700-800 | 75 | 126 | Nylon, optional can be lined with neoprene |
| 10166H | SH3Z1040 | 800-900 | 105 | 200 | Nylon, optional can be lined with neoprene |
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