This welder is of advanced heating function ,it is powerful,stable and easy to be operated, which is suitable for PVC, TPO and other polymer waterproofing membrane roof constructions. <br><br>PACKING DETAILS: <br>1 set 220v/4200w PVC/TPO roof welder with steel carry box <br>1 piece extra 220v/4200w heating element <br>1 piece anti-hot pad <br>1 piece steel brush for clearing welding nozzle <br>1 picece operation handle <br>1 piece additional weighter <br>2 pieces screwdrivers and 4 pieces wrenches <br>1 English Manual <br> 1 piece handheld hot air welding gun with overlap welding tips <br><br>BASIC PARAMETERS: <br>1.Voltage:220V <br>2.Frequency: 50/60Hz <br>3.Power:4200W <br>4.Welding temperature: 20-620 ℃ <br>5.Welding speed: 1.0-10m/min(it can be 4-8m/min according to the welding material) <br>6.Welding width: 40mm <br>7.Air flow range 50%-100% <br>8.Pressure static max.5000Pa <br>9.Net Weight: 38.5KG