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// Product information
Center-break disconnectors type
KEY FEATURES
1. Aluminum 6063-T5
2. Continuous Current upto 5000A
3. Maximum Votage rating upto1000 (kV)
4. Conduct non-destructive:
X-ray testing Class I (following NB/T47013-2015, Class Ill pass)
5. Hardness 12HVB
Grading ring
Grading ring
Guard rings,also called an corona ring, is a toroid of conductive material, usually metal, which is attached to a terminal or other irregular hardware piece of high voltage equipment. The role of the corona ring is to distribute the electric field gradient and lower its maximum values below the corona threshold, either preventing corona discharge entirely or transferring its destructive effects from the valuable hardware to the expendable ring.
2026-02-14
Non-destructive testing X-ray
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Our core expertise lies in the industrial-scale production of ultra-high-precision aluminum alloy grading rings, addressing the fundamental challenge of uneven electric fields.
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