Transformers; outlet valve DN 15 and DN 32 for sampling and discharge
变形金刚;取样和排放用出口阀DN 15和DN 32
1982-09-01
UNE-EN 50216-8-2006
Power transformer and reactor fittings -- Part 8: Butterfly valves for insulating liquid circuits
电力变压器和电抗器配件第8部分:绝缘液体回路用蝶阀
2006-09-27
DIN EN 50216-8
Power transformer and reactor fittings - Part 8: Butterfly valves for insulating liquid circuits; German version EN 50216-8:2005 + A1:2006
电力变压器和电抗器配件.第8部分:绝缘液体回路用蝶阀;德文版EN 50216-8:2005+A1:2006