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Rain Bird had its origins in 1933 when Glendora, California, citrus grower Orton Englehart developed the first prototype of the horizontal action impact sprinkler.This new design offered slow rotation and more efficient watering than other sprinklers of that era, features that were long sought after by local irrigators.
Rainguns are similar to impact sprinklers, except that they generally operate at very high pressures of 2.8 to 9.0 bar (280 to 900 kPa; 40 to 130 lbf/in 2) and flows of 3 to 76 L/s (50 to 1,200 US gal/min), usually with nozzle diameters in the range of 10 to 50 mm (0.5 to 1.9 in).
A nozzle is a device designed to control the direction or characteristics of a fluid flow (specially to increase velocity) as it exits (or enters) an enclosed chamber or pipe. A nozzle is often a pipe or tube of varying cross sectional area, and it can be used to direct or modify the flow of a fluid ( liquid or gas ).
Spray nozzles can have one or more outlets; a multiple outlet nozzle is known as a compound nozzle. Multiple outlets on nozzles are present on spray balls, which have been used in the brewing industry for many years for cleaning casks and kegs. [2] Spray nozzles range from those for heavy duty industrial uses to light duty spray cans or spray ...
A regular sprinkler has nozzles arranged at angles on a freely rotating wheel such that when water is pumped out of them, the resulting jets cause the wheel to rotate; a Catherine wheel and the aeolipile ("Hero's engine") work on the same principle. A "reverse" or "inverse" sprinkler would operate by aspirating the surrounding fluid instead.
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