Strain insulator

Strain insulator, also known as disc insulator or suspension insulator, is the most widely used models for transmission and distribution lines.

Strain insulator              Strain insulator

Strain insulator introduction:
The flexible but positive ball and socket connection provides a quick and easy coupling of insulators and are provided with R Clips or W Clips to prevent uncoupling of an insulator string.
Purity of zinc >- 99.8% to prevent granular corrosion
End fittings in accordance with IEC 60120, IEC 60471 and DIN 48006
Rated Voltage: 10-1000KV
Our ball and socket arrangements confirm to IEC, ANSI, BS and other international standards.
Bonded area of sleeve: Min. 80% of sleeve/pin interfacial area to prevent corona discharges
Excellent wet AC withstand voltage characteristics under contamination

Orient porcelain Strain insulator has been used successfully in more than 30 countries and in particular have a majority in EHV, UHV and HVDC transmission lines. In addition the damaged suspension insulators can be left in service and replaced conveniently.


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Orient Group is a professional manufacturer and exporter of composite suspension insulator and porcelain disc suspension insulator.