Replacement:This part of IEC 60519 is applicable to indirect resistance heating equipment for the heating and melting of glass, operating in voltage bands 1 and 2. These particular requirements also apply to equipment for direct resistance heating and melting of glass by means of current introduced by electrodes passing through the charge to be heated.The object of this standard is the determination of safety requirements for both indirect and direct resistance heating equipment for the heating and melting of glass, which is energized with d.c. voltage or with single-phase or multiphase a.c. voltage of frequency up to 60 Hz. NOTE Extraction of liquid glass
DS/EN 60519-21-2009由丹麦标准化协会 DK-DS 发布于 2009-03-20,并于 2009-03-20 实施。
DS/EN 60519-21-2009在国际标准分类中归属于: 25.180.10 电炉,81.100 玻璃和陶瓷生产设备。
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