Applicable to transparent, high viscosity, easy to crack, high molecular weight plastics with filter device characteristics;

Modular leak-proof steel sleeve, which can be disassembled and assembled by itself without further processing;

The runner does not retain plastic and has a short residence time;

On-site anti-leakage adjustment can be made to the metal's expansion coefficient due to processing temperature;

Oil pressure start hole-to-hole screen changing time is about 0.01 seconds, and production is not interrupted;

The steel mold of the filter hole can be removed separately to ensure that the plastic in the retention hole is cleaned up, and the clean steel mold of the filter hole can be quickly replaced to ensure that the plastic behind the filter is clean;

There is a preheating device, which does not slow down the plastic cooling flow when changing the screen.