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T shape copper joint brazing

1、 Picture explanation: T shape copper tube brazing
2、 Machine used: SPG400K2-40B induction heater
3、 Input: 3×380V 50 or 60HZ
4、 Induction coil: as picture;
5、 Brazing parameters: frequency 300KHZ, power 30KW, brazing speed: 5 seconds about.