Screen Changer

1.Flow channel without plastic retention, short residence time.
2.Processing temperature controlled to make field leakproof adjustment on coefficient of mental expansion problem.
3.Oil pressure start, Hole to hole screen changering time about 0.01 seconds,without downtime. 
4.The filter can be removed to ensure retention cleanup hole plastic,then fast replaced to ensure the cleanest plastic after filter.
5.Preheating device to prevent the plastic from cooling and slow moving during screen changing process.
6.Safety shield designed to improve the safety factor operation.