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Most companies identify their flat-fan nozzles with a four or five digit number (Figure 2). The first numbers are the spray angle and the other numbers signify the discharge rate at rated pressure. For example, an 8005 has an 80 degree spray angle and will apply 0.5 gallons per minute (GPM) at rated pressure of 40 psi.

Flat nozzles are used in broadcast spraying of herbicides and insecticides when penetration isn't required. They're ideal for applying pre-emergent and post-emergent insect- and disease-control pesticides, as well as weed control.

The best method for choosing the correct nozzle tip size is to determine the gallons per minute (GPM) of nozzle output required and then select a nozzle tip size that, when operated within the recommended pressure range, will provide this flow rate.

“Fine-” to “medium-” size droplets are desirable when apply- ing insecticides and fungicides, because they usually provide better coverage.

The most common spray angles are 65 degrees, 80 degrees, and 110 degrees. Recommended nozzle heights for flat-fan nozzles during broadcast application are given in Table 1.

Regular flat-fan nozzles are used for most broadcast spraying of herbicides and for certain insecticides when foliar penetration and coverage are not required. These nozzles produce a flat oval spray pattern with tapered edges (Figure 1).

Selecting Your Nozzle Size You'll want to determine the nozzle flow rate at gallons per minute (gpm). To find that, start with your application rate in gallons per acre (gpa). Next, find an efficient and safe ground speed in miles per hour (mph). Then, determine the spray width per nozzle (W).

A nozzle with an 80-degree discharge angle produces a larger spray droplet than a 110-degree angle nozzle at the same flow rate and pressure. Spray quality is fine- to medium-size droplets for small nozzles.

Use a single standard flat fan nozzle (or a set of standard flat fan nozzles on a mini-boom) for broadcast spraying herbicides, fungicides or insecticides. A single nozzle can be used to spray insecticides/fungicides laterally and upwards to crop rows or stand-alone plants.

Though there are many spray nozzles types and sizes, there are only three basic spray patterns: Flat fan. Hollow cone. Full cone.

Nozzles give rocket engines their power by increasing velocity of the airflow to supersonic speeds. In the book Rocket Propulsion Elements by George P Sutton, a converging angle of 60 degrees and diverging angle of 15 degrees is considered optimal.

I tend to use Guardian Air nozzles because they give the finest droplet size for an air induction which gives a wider operating window to apply the product at the correct time. “You're slightly compromising the droplet size, but I would rather the droplets hitting the target than drifting away.”

Most companies identify their flat-fan nozzles with a four or five digit number (Figure 2). The first numbers are the spray angle and the other numbers signify the discharge rate at rated pressure. For example, an 8005 has an 80 degree spray angle and will apply 0.5 gallons per minute (GPM) at rated pressure of 40 psi.

Flat nozzles are used in broadcast spraying of herbicides and insecticides when penetration isn't required. They're ideal for applying pre-emergent and post-emergent insect- and disease-control pesticides, as well as weed control.

The best method for choosing the correct nozzle tip size is to determine the gallons per minute (GPM) of nozzle output required and then select a nozzle tip size that, when operated within the recommended pressure range, will provide this flow rate.

“Fine-” to “medium-” size droplets are desirable when apply- ing insecticides and fungicides, because they usually provide better coverage.

The most common spray angles are 65 degrees, 80 degrees, and 110 degrees. Recommended nozzle heights for flat-fan nozzles during broadcast application are given in Table 1.

Regular flat-fan nozzles are used for most broadcast spraying of herbicides and for certain insecticides when foliar penetration and coverage are not required. These nozzles produce a flat oval spray pattern with tapered edges (Figure 1).

Selecting Your Nozzle Size You'll want to determine the nozzle flow rate at gallons per minute (gpm). To find that, start with your application rate in gallons per acre (gpa). Next, find an efficient and safe ground speed in miles per hour (mph). Then, determine the spray width per nozzle (W).

A nozzle with an 80-degree discharge angle produces a larger spray droplet than a 110-degree angle nozzle at the same flow rate and pressure. Spray quality is fine- to medium-size droplets for small nozzles.

Use a single standard flat fan nozzle (or a set of standard flat fan nozzles on a mini-boom) for broadcast spraying herbicides, fungicides or insecticides. A single nozzle can be used to spray insecticides/fungicides laterally and upwards to crop rows or stand-alone plants.

Though there are many spray nozzles types and sizes, there are only three basic spray patterns: Flat fan. Hollow cone. Full cone.

Nozzles give rocket engines their power by increasing velocity of the airflow to supersonic speeds. In the book Rocket Propulsion Elements by George P Sutton, a converging angle of 60 degrees and diverging angle of 15 degrees is considered optimal.

I tend to use Guardian Air nozzles because they give the finest droplet size for an air induction which gives a wider operating window to apply the product at the correct time. “You're slightly compromising the droplet size, but I would rather the droplets hitting the target than drifting away.”