External type flame heaterExternal type flame heater preheat the steel pipe from the outside steel pipe joint, to make the preparation for pipe welding.External type flame heater are used to preheating pipe from the outside. Air source are liquefied flammable gas, connected by flexible hose to the air intake. During operation, the flame heater are installed outside of the pipe, preheat the pipe by rotating the device through runner evenly.Technician Specification:ModelJRQ-14JRQ-16JRQ-20JRQ-24JRQ-26JRQ-28JRQ-32Applicable Pipe Diameter(OD)F355F406F508F610F660F711F813Nozzle Quantity6688101010Mode
External Type Flame Heater