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Post type insulator

Post type insulator is usually used in substations and constructed in the form of cylinder consisting of one part, two parts or more parts type.

Post type insulator

According to insulator specification, post type insulator has
◆ ANSI post insulator
◆ IEC post type insulator
◆ BS solid core insulator
◆ DIN post insulator etc.

According to insulator materials, Post type insulator has
◆ Porcelain Post type insulator
Composite insulator post / composite apparatus insulator

Post type insulator can be designed in accordance with ANSI C29.9, IEC 60383, IEC 60273 and BS etc. Porcelain station post-type insulators are used in substations to support buses or apparatus.

Cap materials and coating for post type insulators shall be hot-dip galvanized iron or steel. Two or more insulators can be fixed together one above other for high voltage application.

Porcelain Post type insulator is usually made by wet process porcelain with high mechanical strength. Composite station post-type insulators are many by molded or whole injection with excellent anti-pollution resistance.


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