... connection. Widely used in various SF6 circuit breaker. Voltage grade:High voltage72.5kv-252kv GIS/GCB;Ultra-high voltage 363kv-800kv ... GIS/TGCB;Extra high voltage 1100kv GIS;Main customers:China XD Electric Co., Ltd;(Stock code,601179); Xian XD ... steelSurface treatment: Transparent oil, rust-proof oil. High voltage electric power equipment in forging connecting flange 5083,6A02,6061,6063,2A50 ...