Power Line Construction – Used to install new conductors during power line erection.
Maintenance & Repair – Facilitates conductor replacement and repairs with minimal downtime.
Upgrading Transmission Lines – Helps in re-stringing conductors during capacity upgrades.
Railway Catenary Systems – Supports overhead wiring in electrified rail networks.
Conductor Pulley Stringing Blocks are engineered for high performance, durability, and safety. Below are the key technical specifications:
Sheave Material: High-strength aluminum alloy or polyurethane-coated steel
Frame: Reinforced steel or aluminum for lightweight handling
Bearings: Sealed ball bearings for smooth rotation and corrosion resistance
| Parameter | Specification |
|---|---|
| Max Load Capacity | 5T – 20T |
| Sheave Diameter | 250mm – 800mm |
| Weight | 15kg – 80kg |
| Working Temperature | -30°C to +80°C |
| Standards Compliance | ISO 9001, ASTM, IEC |
✔ Reduces Conductor Wear – Smooth sheave rotation minimizes friction and abrasion.
✔ High Efficiency – Low rolling resistance speeds up installation.
✔ Durability – Corrosion-resistant materials ensure long service life.
✔ Safety – Robust design prevents accidental drops or slippage.
Our Conductor Pulley Stringing Blocks are trusted by utility companies and contractors worldwide. With precision engineering and rigorous quality control, we deliver reliable performance even in harsh environments. Whether for high-voltage transmission lines or railway electrification, our products ensure seamless operations.
If you are very interested in our Ningbo Lingkai Transmission Equipment's products or have any questions, please feel free to contact us!
+86-57465938668
No 6, 1st Rd Xiangshan Industrial Area Ningbo, Zhejiang Province, China
