Sri Durga metals Corona Rings/Grading Rings can be used for power transformers, high-voltage insulators, high-voltage bushings, arrestors, reactors, HVDC systems, high-voltage test labs, and so on.
The Corona Rings/Grading Rings have a smooth surface and provide excellent control of the HV corona.
The below photos are for reference; if you need more details, please feel free to contact our sales department.
Sri Durga Metals can manufacture and supply grading rings and corona rings in a variety of ratings ranging from 220 KV to 1700 KV. While 765 KV and 800 KV grading rings occupy the major part of the production house, Sri Durga Metals equally supports orders for other ratings.
Quality Management System, Strict Manufacturing Process Control, and Efficient Production Planning helped us serve the customers with timely delivery.