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The Preformed Guy Clamp is a high-strength mechanical accessory designed for securing guy wires in pole line systems, transmission towers, and communication or utility structures. Made from preformed steel, aluminum alloy, or galvanized materials, this clamp provides a reliable anchoring solution for guy wires, ensuring uniform tension distribution, excellent grip, and long-term stability under dynamic loads.
Its spiral preformed design allows for tool-free installation, reducing the risk of slippage or damage, while maintaining high performance even in harsh outdoor environments.
Securing guy wires on overhead power line poles and towers.
Anchoring stay wires on communication towers, broadcast towers, and signal poles.
Reinforcing pole line stability in areas with complex terrain or long spans.
Replacing traditional bolt-and-plate anchoring with a preformed, tool-free solution.
Suitable for harsh conditions including high wind, ice loading, or coastal environments.

Catalogue Number | Conductors GBT117199/83LGJ/LGJF | Length | Pieces | |
Section(mm2) | O.D(mm) | |||
TNL-16/3 | 16/3 | 5.55 | 444 | 3 |
TNL-25/4 | 25/4 | 6.96 | 546 | 3 |
TNL-35/8 | 35/8 | 8.16 | 622 | 3 |
TNL-50/8 | 50/8 | 9.60 | 685 | 3 |
TNL-70/10 | 70/10 | 11.4 | 736 | 3 |
TNL-95/15 | 95/15 | 13.61 | 876 | 4 |
TNL-95/20 | 95/20 | 13.87 | 876 | 4 |
TNL-120/7 | 120/7 | 14.5 | 876 | 4 |
TNL-120/20 | 120/20 | 15.07 | 889 | 4 |
TNL-120/25 | 120/25 | 15.74 | 889 | 4 |
TNL-150/8 | 150/8 | 16.00 | 889 | 4 |
TNL-150/20 | 150/20 | 16.67 | 1016 | 5 |
TNL-150/25 | 150/25 | 17.10 | 1016 | 5 |
TNL-150/35 | 150/35 | 17.5 | 1016 | 5 |
TNL-185/10 | 185/10 | 18.00 | 1016 | 5 |
TNL-185/25 | 185/25 | 18.88 | 1155 | 6 |
TNL-185/30 | 185/30 | 18.90 | 1155 | 6 |
TNL-185/45 | 185/45 | 19.00 | 1155 | 6 |
TNL-210/10 | 210/10 | 19.60 | 1155 | 6 |
TNL-210/25 | 210/25 | 19.98 | 1155 | 6 |
TNL-210/35 | 210/35 | 20.38 | 1155 | 6 |
TNL-210/50 | 210/50 | 20.86 | 1155 | 6 |
TNL-240/30 | 240/30 | 21.60 | 1270 | 8 |
TNL-240/40 | 240/40 | 21.66 | 1270 | 8 |
TNL-300/15 | 300/15 | 23.04 | 1270 | 8 |
TNL-300/20 | 300/20 | 23.43 | 1270 | 8 |
TNL-300/25 | 300/25 | 19.76 | 1442 | 10 |
TNL-300/40 | 300/40 | 26.94 | 1442 | 10 |
TNL-300/50 | 300/50 | 24.26 | 1442 | 10 |
Our company operates with a comprehensive and systematic quality management system. Guided by the corporate spirit of integrity, innovation, and excellent service, we are committed to designing outstanding and practical products that meet our customers’ needs. Our dedication to honesty, functionality, and reliable service has earned widespread recognition and praise across the industry.
Every member of our team embraces a spirit of continuous improvement, constantly enhancing core competencies and striving for higher achievements. Upholding the development philosophy of “reform, innovation, speed, and efficiency,” we reflect on past successes while looking confidently toward the future.
Q1: What types of guy wires are compatible with this preformed clamp?
A1: This clamp is compatible with a wide range of guy wires, including galvanized steel strands, aluminum-clad steel wires, and stainless steel cables. Ensure the wire diameter falls within the clamp’s specified range for optimal grip.
Q2: How long can this clamp be used outdoors without corrosion issues?
A2: With proper material and surface treatment (hot-dip galvanization or aluminum alloy), the clamp can last 10–20 years in typical outdoor conditions. Coastal or highly corrosive environments may require additional coatings or inspection schedules.
Q3: Can the clamp be reused if removed from a guy wire?
A3: Preformed guy clamps are designed for one-time installation. Reusing the clamp may compromise the grip and safety performance. Always use a new clamp for reinstallation.
Q4: Is this product suitable for high-voltage lines?
A4: Yes, the clamp itself is non-conductive if paired with appropriate insulating materials, but always ensure compliance with local electrical safety regulations and clearances when used near energized lines.
Q5: How is the installation direction determined for the spiral clamp?
A5: The clamp comes with a directional guide (often color-coded or marked) to indicate the correct spiral wrap direction. Following the indicated orientation ensures uniform tension and prevents slippage.