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The spring nozzle is the simple and economical entry into the shut-off technology.

The spring force, which acts on the needle, is responsible for a clear closing during the dosing process.

The spring force is calculated so that a closing is ensured up to a pressure of up to 180 bar.

The injection pressure is pushing the needle backwards and therefore the orifice to inject the plastic into the cavity. The nozzle design is chosen so that there are minimum deflections and thereby the mass flow with minimum shear can be injected into the mold.

The nozzle design is based on the injection rate (cm3 /s). The materials used allow the use of nozzle for virtually all currently used plastics. The compact design ensures easy mounting and  maintenance.