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  Stalk spray with reduced pressure Chamber  The stem of this spray is used for the purpose of reducing the pressure of plastic flow flowing granules in Hot Runner system, it helps prevent the plastic flow and pressure losses from the injector Nozzle in the mold open quickly and prevent the air inside the silver stem spray.  The air is then compressed during the injection process and reach the high temperature can cause the burning plastic.   spray Stem form close  Equipped with a one-way valve in the channel leading to possible for plastic flow through nozzle by being towed or possible for the air to go on inside.
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