Types of Nozzle Damage
Learn common causes of spray performance problems so you can troubleshoot whether maintenance or nozzle replacement is required to improve your process.
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Nozzles may sustain various types of damage during use, which can affect their performance and efficiency. Regular inspection, proper maintenance, and selection of nozzles made from appropriate materials for specific applications can help mitigate problems and ensure the longevity and efficiency of the nozzles. Here are some common types of nozzle damage.
Erosion/Wear
Degradation of the nozzle material and structure causes the nozzle orifice to enlarge, increasing the flow and altering the spray pattern.
Corrosion
Chemicals in the sprayed material or environment might cause nozzles to break down. Even small amounts of corrosion negatively impact drop size and uniformity.
Operation in High Temperatures
Fluids sprayed at higher temperatures or exposure to high-temperature environments can damage nozzles
Caking/Bearding
Air atomizing nozzles are sensitive to this type of damage because evaporated liquid causes material build-up on the exterior of the nozzle orifice obstructing flow.
Accidental Damage
Physical damage to the nozzle or its orifice caused by dropping the nozzle during installation or creating abrasions during cleaning with inappropriate tools, which can affect spray pattern performance.
Clogging
Solid particulates can get caught in the nozzle orifice and obstruct flow affecting the spray pattern.
Improper Installation
Nozzles with accessories, including caps, gaskets, O-rings, and valves, can be installed incorrectly, or nozzle tips can be inserted incorrectly into spray headers, which can affect the spray pattern performance.
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