Expanded polystyrene pre-expander SPJ50, 90

PLC-controlledautomaticfor expanded polypropylene

1.With PLC programmable controller and touch screen to control the whole working procedure automatically . 2.Efficient screw conveyor and electronicweighing device attach to the expansion chamber. 3.With closed expansion chamber and pressuresensor control technology to realize stable foaming pressure. 4.Expansion chamber temperature is controlled bytemperature sensor and valve positioner, ensuring accurate temperature control. 5.Vibrating switch control material level to getaccurate density,density tolerance less than±2%. 6.Stainless steel Fluidized Bed Drier keepsinside temperature around 70. Note: 1.Intelligent density control system enablesmachine to get timely density repore and to automatically adjust parametersaccording to density tolerance(optional). 2.Secondary expansion device for SPJ130、SPJ160 is optional.