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Home  »  Products  »  Composite Insulator » Suspension Insulator

Polymer Tension & Suspension Insulator

A silicone polymer tension/suspension insulator mainly consists of a core rod (ECR type or FRP type), silicone rubber housing and metal end fittings. WINNING® is producing and exporting tension and suspension insulators from 10kV to 765kV with various core rod sizes for distribution and transmission systems. (We HAVE successfully exported insulators up to 765kV level with TEST REPORTS).

Core Rod- Made of high-quality Pultruded Epoxy Fiberglass Rod (FRP and ECR Types).

End Fittings- #45 Forged Steel or Ductile Iron, Hot Dip Galvanized, then directly crimp to the core rod through a circumferential crimping process to achieve better performance.

Housing to Core- They are Chemically Bonded and the interface strength between the housing and core is higher than the tearing strength of housing itself.

Silicone Rubber Housing- HTV Silicone Rubber; made of high quality raw materials.

Corona/Grade Ring- Made of High-Grade Aluminum Alloy, suitable for (above) 110kV insulators.

Sealing- Juncture between end fitting and Core rod is totally embedded in HTV silicon rubber, eliminating conventional and traditional sealing defects. (The other type is available that use RTV Silicone Sealant to seal the juncture between end fitting and core rod.)

For more infomation about our polymer suspension insulators, please go to DOWNLOAD chapter.

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