Spraying Equipment and Nozzles
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| Spraying Equipment and Nozzles |
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The condition of the nozzles is of critical importance in achieving an even spray distribution across the boom, and consequently a good deposit of the plant protection chemical. Carry out a visual control of the spray pattern of all nozzles when spraying clean water at normal working pressure. The spray pattern must be regular fan-shaped for normal flat fan spray nozzles. Irregularities are a sign of damage or wear. Calibrate the flow rate of the nozzles with a measuring jug. The precision of the nozzles and distribution are acceptable with flow rates of up to 10% above the table values. If the flow rate is above 10% in excess of standard, the nozzles are worn and all nozzles should be replaced. |