Anti-birds’ droppings composite Grading ring is hardware affecting field distribution of insulators. Anti-birds’ droppings composite Grading rings are used for keeping voltage balancing.

Anti-birds’ droppings composite Grading ring drawing and picture/photo:

Anti-birds’ droppings composite Grading ring technical parameters:
Grading ring type: FHJ-330/29, FHJ-330/32, FHJ2-330/25, FHJ-560/29, FHJ-560/40, FHJ2-560/25, FHJ2-560/31
Maximal outer diameter: 330, 330, 330, 560, 560, 560, 560
Shielded depth: 13.5, 13.5, 13.5, 13.5, 13.5, 13.5, 13.5
Clip diameter: 28/29, 32, -, 28/29, 40,-, -
Clip diameter of housing: -, -, 25, -, -, 25, 31
Installation position: upper end of insulator, upper end of insulator, middle part of insulator, upper end of insulator, upper end of insulator, middle part of insulator, middle part of insulator
Adaptive voltage of insulator and intensity grade: 66-220kV, 66-220kV, 66-220kV, 220-500kV, 220-500kV, 220-500kV, 220-500kV

Anti-birds’ droppings composite Grading ring is made of aluminum alloy, and it can be installed on the upper end of insulator, lower end of insulator, or middle part of insulator, especially for composite suspension insulators.
 

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