Dimensions: Approximately 250mm in length, 110mm in width, 16mm in thickness, and 24mm in aperture.
Specifications: Nominal breaking load is generally 245kN.
Material: Made of steel plate.
Surface Treatment: Galvanized for enhanced corrosion resistance and suitability for various outdoor environments.
Applications: Suitable for assembling double-stranded tension insulators with a single conductor, assembling a single insulator string with two conductors, assembling two guy wires, and assembling a single insulator string with two fulcrums for suspension transmission.
Weight: Approximately 9kg.
The specification of L-2540 yoke plate is L-25-130/500, where "25" means the breaking load is 245kN, "130" means the length of the joint board is 130mm, and "500" means the applicable conductor section is 500mm². The thickness is 16mm, the width is 30mm, the aperture is 24mm, and the weight is about 9.0kg. If your application area is 110kV line, it is recommended that you choose L-2540 yoke plate, and use it with U-25 type ring and U-32115 type ring for better effect.
The specification of L-2540 yoke plate is L-25-130/500, where "25" means the breaking load is 245kN, "130" means the length of the joint board is 130mm, and "500" means the applicable conductor section is 500mm². The thickness is 16mm, the width is 30mm, the aperture is 24mm, and the weight is about 9.0kg. If your application area is 110kV line, it is recommended that you choose L-2540 yoke plate, and use it with U-25 type ring and U-32115 type ring for better effect.
In order to extend the service life, when producing L-2540 yoke plate, we are still very strict about the quality of the coating. Joint boards that do not meet the requirements will never leave the factory. From the appearance, the surface should be smooth and flat, without peeling, flaking, roughness, and zinc nodules are prohibited on the surface. The thickness of the coating is allowed to have a deviation of ≤±10%, and the overall thickness needs to be ≥76μm. The thickness of the zinc layer directly affects the service life of the L-2540 yoke plate. A too thin zinc layer does not meet the requirements. The zinc layer needs to be firmly combined with the substrate, and there is no shedding phenomenon when bending and deforming. Special application areas need to be tested and used after passing.
The service life of the L-2540 yoke plate is related to the use environment, maintenance level, and design. The following factors are mainly considered to affect the service life:
Zinc layer thickness
The main function of the zinc layer during use is corrosion protection. When the thickness is ≥86μm, it can be used for more than 15 years;
Load
During long-term use, if the load is ≤250kN, fatigue cracks will be induced, shortening the service life by 30%;
Use environment
20-25 years in dry environment; 12-18 years in coastal high humidity salt spray areas; 10-15 years in industrial pollution areas.
If you want to extend the service life of the L-2540 yoke plate, you can do the following maintenance:
Anti-corrosion maintenance
During use, pay attention to the zinc layer. If the rust area exceeds 5%, start zinc layer maintenance;
Structural test
Check the edge cracks of the bolt holes every 2 years for heavy-load lines;
System maintenance
Apply anti-corrosion grease to the bolts every year to prevent rusting, and regularly check the tightness of the pins to prevent the insulator string from falling off due to loose connections.
Purchasing qualified L-2540 yoke plate from professional manufacturers can extend the service life to a greater extent.
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