Air Atomizing Spray Nozzles
Lechler air atomizing nozzles utilize a collision of metered air and liquid to provide the finest atomization of liquid. Applications include: Dust control, spray drying, humidification, odor control, product coating, product cooling, and gas cooling. Air atomizing nozzles are especially suited to the atomization of viscous liquids. Spray patterns include flat spray, wide full cone, and narrow full cone.

Spray Pattern
Flat fan air atomizing nozzles are most often used for coating and cooling applications when-ever a wide linear pattern is required. They are commonly used where products to be coated are moving on a conveyor.

Full cone air atomizing nozzles are desirable for applications requiring a relatively narrow, long-reaching, circular pattern and are especially suited to gas cooling, gas conditioning and humidifying.

Fluid Mixing Type
Internal mixing is impinging and mixing of air and liquid inside the nozzle. It is ideal for use with water or other low viscosity fluids, free from impurities.

External mixing is air and liquid impingement after the liquid leaves the nozzle orifice and is especially suited to atomizing viscous fluids. (External mix nozzles require a low liquid pressure supply system.)

Modes of Liquid Supply
Gravity liquid supply utilizes gravity to deliver fluid from an elevated reservoir to the nozzle. Uniform spray performance is achieved by maintaining a constant distance between the fluid level and the nozzle.

Siphon liquid supplyutilizes the suction generated by the air flow through the nozzle to lift the liquid from the reservoir to the nozzle. By varying the suction height, liquid flow and droplet size can be varied.

Pressurized liquid supply provides liquid flow under pressure to the nozzle. Droplet size and flow rates are larger than with either of the other two liquid supply modes, depending on the liquid to air consumption ratio.