Nozzle Technology for Private Applicators

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Nozzle Technology for Private Applicators

• David Nicolai
• Regional Extension Educator-Crops Hutchinson, MN

Credit to Robert E. Wolf, Extension Specialist
Application Technology, Kansas State University
Robert N. Klein, Extension Cropping Systems
Specialist, University of Nebraska.
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Nozzle Technology.

• Nozzles designed to reduce drift
• Improved drop size control
• Emphasis on Spray Quality

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Flat Fan Types

• Extended Range Flat Fan nozzle types
• replaced regular low-pressure flat fan types
• Available in 80 and 110 degree angles.
• Wide range of pressure 15-60 psi
• Droplet size from small to large affected by
  pressure.
• Manufactures include
• Spraying System XR,
• Hypro TR (Total Range)
• and others

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Extended Range Flat Fan Nozzle Droplet sizes

• Produces an even spray pattern over a wide range
  of pressures (even if pressure drops to 15 psi)

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Also available are Flat Fan Drift reducing
nozzles with a pre-orifice

• Less fine droplets than standard flat fan, Older-
  two part construction, medium to coarse droplets,
  however Drift Guard nozzle operates at narrow
  pressure range of 30-60 psi.. Possible
  plugging?????

Lo Drift from Hypro 15-70 psi
Drift Guard from Spraying Systems 30-60 psi
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Turbo/Chamber/Venturi Flat-fans
Pre-orifice for larger drops
Turbo Flat Fan
Air Induction Nozzle
Air induction
Mixing Chamber
Exit orifice
Large droplets, systemic 60-100 psi
Very good for contact and systemic, large
droplets 15-90 psi
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Turbo Flat-fan

• Turbulence chamber as in the Turbo Flood
• Tapered edge, wide angle flat pattern
• Designed to work in flat-fan nozzle holder
• Uniform spray distribution, 50-60 overlap
• Wide pressure range, 15 90 psi
• Large, drift resistant droplets
• Plastic with superior wear characteristics

TT
X
Turbo Flat Fan
XR Flat Fan
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Droplet Spectra Classification
Based on ASAE Standard and Spraying Systems
Charts.
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Air/Induction Venturi Nozzle

• Spraying Systems AI TeeJet example
• Air intake venturi section
• Mixing Chamber - air and spray solution blended
• Exit orifice - Pattern tip - forms large
  air-bubble drops

• Better Penetration? yes
• Reduced run-off? depends
• Improved coverage? no for contact
• Adequate efficacy? yes for systemic
• Reduced drift? YES!!!

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More Air Induction Nozzles
Ultra Lo-Drift 120 degree tips from Hypro
AirMix from Greenleaf

• Hypros Air Induction drift reducing nozzle,
  small compact size, medium to coarse droplets, 15
  115 psi, useful for systemic herbicides and
  pre-emergence

Greenleafs AirMix compact nozzle Operates at 15
90 psi
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Droplet Spectra Classification (DCS)
Based on ASABE Standard S-572 and Manufacturers
Charts
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TurboDrop two-piece nozzle

• Greenleaf's patented TurboDrop Venturi air
  induction Nozzle is now available in a medium
  pressure version The NEW TurboDrop XL Nozzle (and
  Venturi) can operate between 20 and 120psi, with
  optimal pressure range of 30-90psi. This range
  allows an increase of a GPA rate 50 without
  changing nozzles.

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XR Flat-fan and Turbo Flat-fan compared to
Venturi Style 5.0 MPH wind at 40 psi
XR vs TurboDrop
Turbo Flat vs Turbo Drop
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Next Generation Air Induction Nozzles

• Next generation
• More compact
• Larger drops
• Operates at lower pressures
• Percentage of fines do not increase with pressure

Pre-orifice
Air induction
Primary and secondary expansion chambers
New Guardian-Hypro 120 degree
Exit Orifice
Turbo Injection - TTI
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Turbo TeeJet Induction - TTI
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Percent Less than 210 Microns (from U of Nebraska
tests)
TTI11002
TT11002
XR11002
73
66
lt 210
52
47
38
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6
3
10
PSI
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New AIXR tip from Tee-Jet
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AXIR Air Induction Flat Spray Tip Characteristics

• 110º wide, tapered flat spray angle with air
  induction technology offers better drift
  management than most nozzles.
• Droplet size between Turbo Tee-Jet and Tee-Jet
  Air Induction nozzle.
• Available in 0.15 to 0.6 GPM size from 15 -90
  PSI
• 2 piece all polymer construction compact size.

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New nozzle from Spraying systems

• Turbo TwinJet, similar to standard turbo teejet
  with larger droplet range, better drift control,
  better canopy coverage and penetration, 20-90
  psi, two 110 degree spray patterns.

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TTJ60-110__VP Turbo TwinJet
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In Conclusion
Minimizing spray drift is in the best interests
of everyone. Do your part to keep applications
on target.
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Disclaimer

• Brand names appearing in this presentation are
  for identification and illustration purposes
  only.
• No endorsement is intended, nor is criticism
  implied of similar products not mentioned.