The channel leads to the open spray can stem cylindrical or conical. Conical lead channel helps prevent loss of resin from the spray Nozzle were removed when the stalks.Spray with pressure reducing Chamber stalks are used for the purpose of reducing the pressure of plastic flow flowing granules in Hot Runner system.The closed-form injection stem is 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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