Archive Article: 1997/11/08
Type Advantages Disadvantages Replacement Approximate
period cost per tip
Conventional Fits all booms, choice Drift can be a risk 1 season (plastic) £2
flat fan of angles and flow on windy days 4 seasons (ceramic) £3
rates to suit all targets
Hollow cone Useful for knapsack Cannot overlap so 0.5 to 1 season £2
sprayers and in orchards limited use for booms,
fine droplets liable to drift
Twin fluid Fits all booms with Complex to use, initial 4 to 10 seasons £4
eg Airtec/Airjet modifications, flow rate cost higher, need air
flexible, suits all targets, compressor
less drift so increased
number of spray days
& work output potential
Venturi Fits all booms, some Not ideal for very 1 season £3.50
eg Billericay/ drift reduction, better upright or waxy leaves
Bubblejet foliage retention than
other coarse nozzles
Anvil based Fits all booms, suitable for Does not fit all 1 season £3.15
eg Turbo TeeJet low application volumes, wide competitors nozzle
range of application rates bodies