Injection channel for an open can stalk cylindrical or conical. Channel cone help prevent leakage of plastic from the inkjet Nozzle stem is removed.
The stem injection with decompression chamber is used for the purpose of reducing pressure in the line of flexible plastic flow Hot Runner System.
Stem closed-equipped spray 1 pm was the first van in order to channel the flow of plastic through nozzles by pulling in air or can go inside.
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