Hot Air Extrusion Welding Gun It is mainly used for the welding of PP/PE/PVC plates, vessels and chemical tanks, the pipeline connection, and pipe bends making, the connection and sealing and opening patching of various plastic pipes, and the making and fixing of plastic tanks, the welding of plastic sheets and the making of the pipe fittings, and bends of different shapes. In particular, it is fit for outdoor onsite operation. Voltage: 220V Power of extruder: 1020 W Power of blower: 2KW, 3.4KW Welding speed: 3 KG / 4 MM, 4 KG / 5 MM Welding rods: φ3.5-4.5 MM Total weight: 4.8-5.5 KG