KEW-4-M plastic pipe hand-held extrusion welding machine adopts the integrated design of pre-heated air and screw extruder, which conforms to the theory of human engineering. It is small and light; moreover, the high welding strength, perfect sealing, wide welding seam, high output, fast and one-time-finish welding; the machine also has the integrated air source (other air source is unnecessary), it is especially suitable for operating outside. Parameter : Article no. KEW-4-M800 KEW-4-M1020 Name small power extrusion welding machine Voltage 220 v Power of extruder 800 w 1020 w Power of hot air blower 2000 w Max. Output capacity. 1.8 kg / h 3 kg / h Weight 5 kg.