... : three-phase380V,50or60HZ3. Oscillation frequency: 30-80KHZ4. Cooling water requirements: 0.2Mpa,6L/min5. duty circle: 100%6 ... display.installation is simple,just take electricity and water can be used,without hand installationsmall,weight is ... of diamond tools (3)Heat treatment of small parts (4)Melting of gold, silver, copper, brass of little ... heating. high frequency stainless steel annealing machine