The most important part of these nozzles is the plate with relative liquid outlet hole, on which the capacity constancy and distribution uniformity depends. The plate needs to be of material that is highly resistant to the abrasive and corrosive action of the sprayed liquid (as for example ceramic) so that the liquid exit hole does not change its dimensions in a short time, which is what happens with plates made of brass, stainless steel and aluminium. The jet cone may be either full or empty, according to the construction characteristics and the width of the exit angle.
These nozzles may be used both on spraying booms and sprayers.
As droplets are very small and offer greater crop penetration, cone nozzle use is preferable for those treatments in which a kind of mist formation is required to envelope the crops (herbicide and insecticide treatments by contact).
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Hollow cone nozzle examples
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Traditional cone nozzle made up of conveyor and plate |
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| Conveyor |
Ceramic plate |
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| Conveyor |
AG 1001 |
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Traditional 80° cone nozzle with conveyor screwed in |
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| AG 1029 |
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New 80° cone nozzle with integrated conveyor (3 channels) |
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New 40° cone nozzle with 6 channels conveyor |
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| Correct positioning height of the cone nozzles from the target |
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| Classification of drops produced by a single nozzle on the basis of BCPC and ASABE |
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