... can working independently non-woven bag forming machine hot air welding machinetechnical data of air welding machine Welding speed 15m/minPresser lift height0 ... ,12mm,14mm,16mm,20mm,22mmDiameter of bag body80mm-200mmmotor550wvoltage220v/380VHot air temperature50-600°C digital controlApplication materialpps,PP ,Polyester