Smart semi-automatic welder Smart hot air plastic welding machines, adjustable temperature control of high precision electronic temperature control can be operated automatically or manually controlled, small size, can automatically crawl the slope, vertical, inverted automatic welding, plastic tent for welding trucks, sports grounds, artificial turf , Plastic flooring panels, water-proof tent swimming pools, advertising and large fabric welding joint PVC canvas, particularly suitable for a variety of forms of welding materials, PVC soft curtain of welding Technical data: Rated..voltage_______120V/230V Frequency____________50Hz Max..power___________1700W Temperature_scope____20-650~C Air_volume___________25m3/h Air_pressure_________3000Pa Welding_rate_________0.5-5m/min Welding_width________40mm