Why Cold-Shrink Accessories in Urban Grids?

Extremely high reliability. Silicone rubber provides constant radial pressure, "breathes" with the cable, and offers excellent sealing and waterproofing performance. It easily ensures uninterrupted power supply in urban core areas, reducing faults.

Silicone rubber is highly adaptable to harsh environments, offering resistance to UV, ozone, aging, and water. This makes it suitable for demanding conditions such as humid utility tunnels, coastal salt spray, and industrial areas.

High long-term economic efficiency. One-time installation requires virtually no maintenance, and the long-term failure rate is low. This reduces total life-cycle costs and minimizes the overall social losses caused by emergency repairs and power outages.

How to determine the selection and installation location of cold-shrink cable accessories in urban power distribution networks?

By selecting the right type and installing cold shrink cable accessories in the correct locations, our products will strive to provide reliable protection for your system.

The unique value of cold-shrink cable accessories in urban power distribution networks

Superior Sealing: Utilizing the elastic memory effect of silicone rubber and providing constant radial pressure, it ensures a tight fit against the cable. It "breathes" with the cable's thermal expansion and contraction, preventing moisture infiltration and avoiding insulation failures caused by dampness.

Flame-Free Installation: Employing pre-expansion technology, installation can be completed on-site simply by removing the support strip, eliminating the need for open flames or special heating equipment. This eliminates fire hazards and significantly reduces power outage time.

Rugged Environmental Adaptability: Made with high-quality silicone rubber, it is waterproof, UV-resistant, ozone-resistant, and chemically resistant, making it suitable for various harsh urban environments.

  • Superior Sealing
  • Flame-Free Installation
  • Extreme Durability

Technological development

  • 1994 – Company founded in Yueqing, Zhejiang, China
  • 2000 – Renamed to Wenzhou Hangda Electric Co., Ltd.
  • 2002 – Shanghai Songjiang production base established
  • 2004 –  Co-developed MNS switchgear accessories with ABB
  • 2010 – Became an executive director of the CEEIA Electrical Control & Distribution Equipment Branch.
  • 2011 – Xiamen Rlions Electric Co.,Ltd production base established
  • 2014 – Successfully included in ABB’s new global qualified supplier system.
  • 2017 – Upgraded to Hangda Electric Co., Ltd. with a registered capital of 50 million RMB.
  • 2024 – 35kV-and-below cable accessories added to the State Grid supplier system.

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