Polymer pin insulators, with pollution-resistant and UV-resistant design, are suitable for distribution lines and self-composite insulation systems. For samples and prices, please contact us
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33kV composite pin insulator (polymer pin insulator / silicone rubber pin insulator) with an 11-shed HTV silicone housing and 1100 mm creepage — engineered to minimize pollution flashovers and reduce lifetime maintenance on 33 kV overhead distribution lines. Ideal for coastal, industrial and heavy-pollution applications where reliable anti-flashover performance is required.
All fittings undergo a zinc-plating finish and are assembled using an ultrasonic‐monitored, computer‑controlled coaxial pressure‐crimping technique, resulting in a pristine appearance and consistently dependable joint integrity.
We employ ECR mandrels that are specially reinforced for high‑temperature service and feature enhanced acid resistance.
A labyrinth‑style seal at the interface of the fitting and rod provides superior waterproofing.
Composite pin insulators are more suitable for use in high-pollution areas, have higher mechanical strength, are lighter than porcelain insulators, and require less cleaning and maintenance.
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