Thursday, 9 June 2011

Knapsack Sprayer

A sprayer is an equipment used to apply liquid herbicides, insecticides and fertilizers, etc.  In agriculture, sprayer range in size from man-portable units, motorized to tractor-mounted.  A knapsack sprayer is such device carried strapped on the back or shoulder of an applicator.

Knapsack sprayer works on pressurized air.  Air is forced into the air-tight sprayer, then the liquid is released through a spray gun, via a nozzle which facilitate dispersion the liquid.

There are various type of knapsack sprayer, depending on their capacity : 20 liter, 16 liter, 12 liter, 10 liter, 9 liter etc.

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