usedplastic recycling equipment 1.Normal pressure 2.20KW/H 3.14mm ... reactor and causing accident.4. Professional thermometer, pressure gauge and safety valve.5.It is dangerous ... plate ,thickness 14mm.2. Welding: Automatic welding machine with heating treatment and x-ray detection will ... anti-blocking device and have pressure gauges,alarms,safety valves and vacuum machine.2>energy conservation: recycling ...