... .Technical parameters:1) Height of solder: 200 - 2,500mm2) Gas: LDG, oxygen or compressed air3) Burner: 4 or 6 rows ... 8.4Conveyor plane height, mm450 or 600Air sourceGas-fired,pressure, MPaLiquefied petroleum gas or natural gas, 0.09 ~ 0.15Gas of combustion- ... 1.0Gas of protection,pressure, MPaNitrogen, 0.4 ~ 1.0Cooling gas,pressure, MPaCompressed air, 0.4 ~ 1.0coolerWater pressure, MPa0.3flow ...