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| Brand Name : | XINYA |
| Model Number : | SH3Z |
| Certification : | ISO |
| Price : | Negotiable |
| Payment Terms : | L/C,T/T,Western Union |
| Delivery Time : | 10-20 days |
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.
3-Sheave Design
Supports multiple conductors or ropes simultaneously, improving
efficiency.
Large Diameter Pulley
Smooth cable guidance, reducing wear and friction.
High-Quality Nylon Sheaves
Lightweight, durable, and corrosion-resistant.
Robust Steel Frame
Ensures stability and long service life under heavy loads.
Customizable / OEM Options
Adaptable to different projects, cable sizes, and load
requirements.
Easy Installation & Maintenance
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
Data sheet
| 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 | |
| 10122H | SH3ZL660 | 400-500 | 40 | 106 | |
| 10125H | SH3ZLN660 | 400-500 | 40 | 92 | |
| 10146H | SH3ZLN822 | 500-700 | 60 | 128 | |
| 10107H | SH3Z508 | 300-400 | 40 | 43 | Nylon, optional can be lined with neoprene |
| 10127H | SH3Z660 | 400-500 | 40 | 76 | |
| 10132H | SH3Z750 | 500-600 | 60 | 98 | |
| 10142H | SH3Z822 | 600-700 | 60 | 110 | |
| 10152H | SH3Z916 | 700-800 | 75 | 126 | |
| 10166H | SH3Z1040 | 800-900 | 105 | 200 |


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