Fully automatic, high efficieny and energy-saving

The expandable Polystyrene batch Pre-expander machine including common dryer bed, screw conveyer, filling, sieving devices,etc

Steam system: The Pre-expander machine has steam pressure reducer and angle valve to control steam.

Filling system: The Pre-expander machine adopts electronic weighing system, setting filling weight on touch screen for the material filling automatically.

Material level control: Adopts photo sensor to control the expansion level.

Electric control: Adopt PLC and touch screen, keep all process work automatically.

Note:

Vibration level sensor is optional.

Proportional valves of steam and compressed air are optional.

Chamber pressure and temperature sensors control system are optional.

As for SPJ70B Pre-expander machine,the machine needs to be equipped with PID control system when the expansion density is above 30g/L.