... Machine Electric Induction Welding Equipment Welding Induction IGBT Based Welding Machine Product Introduction: Input power:15~45kW max., ... , 2~12L/ min. less than 45 °CAdvantage:All-solid-state IGBT frequency regulation,soft switch dual-resonance control and frequency automatic ... melting/ smelting, through heating, forging etc; provided with necessary accessories. IGBT Based Welding Machine