Function: the machine design for canvas material products welding. such as:tent, ceiling, truck covers, bath curtain,and so on all include PVC material products welding. Model: WS-15000FB HF power: 15000W Frequency: 27.12MHz Power supply: 50/60HZ AC380V 3P Max.pressure power: 1000KG Oscillation tube: 8T85RB (Japan Toshiba) Sparking tube: NL-5557 (USA) Rectifier: SILICON DIODE Gap of electroder: 150mm Upper mould: ??-40??m�1000mm work plat: 400mm�1200mm Pressure: air-pressure Put material "U" tank: 500�500mm