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Irrigation sprinklers are sprinklers providing water to vegetation, or for recreation, as a cooling system, or for the control of airborne dust.
Sprinklers that spray in a fixed pattern are generally called sprays or spray heads. Sprays are not usually designed to operate at pressures above 30lbf/in² (200 kPa) (30psi "Pounds per square inch"), due to misting problems that may develop.
Higher pressure sprinklers that themselves move in a circle are driven by a ball drive, gear drive, or impact mechanism (impact sprinklers). These can be designed to rotate in a full or partial circle.
Rain guns are similar to impact sprinkler, except that they generally operate at very high pressures of 40 to 130lbf/in² (275 to 900 kPa) and flows of 50 to 1200 US gal/min (3 to 76 L/s), usually with nozzle diameters in the range of 0.5 to 1.9inches (10 to 50 mm).
Many irrigation sprinklers are buried in the ground along with their supporting plumbing, although above ground and moving sprinklers are also common. Most irrigation sprinklers operate through electric and hydraulic technology and are grouped together in zones that can be collectively turned on and off by actuating a solenoid-controlled valve.
Home lawn sprinklers vary widely in their size, cost, and complexity. They include impact sprinklers, oscillating sprinklers, drip sprinklers, and underground sprinkler systems. Small sprinklers are available at home and garden stores or hardware stores for small costs. These are often attached to an outdoor water faucet and are placed only temporarily. Other systems may be professionally installed permanently in the ground and are attached permanently to a home's plumbing system. Permanently installed systems may often operate on timers or other automated processes. They are occasionally installed with retractable heads for aesthetic and practical reasons (making damage during lawn mowing or other maintenance less likely). These often are programmed to operate at certain times of day or on some other schedule.
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Irrigation
Sources of Irrigation
Application of Irrigation water
Purpose of Irrigation
Instruments and implements of Irrigation
Pumps +
Centrifugal Pumps +
Submersible Pumps +
Turbine and Jet Pumps +
Conveying Pipes +
Sprinklers +
Drippers +
Canal Automation Systems +
Irrigation Management
Irrigation and environment
Capacity Development
Drainage
- Sprinkler irrigation
- Antifrost sprinkler method or Frost control
- Sprinkler intensity, Rain intensity, or Application rate
- Overtree sprinkler method
- Undertree sprinkler method
- Perforated pipe sprinkler irrigation
- Raingun Big gun, Giant sprinkler or Gun sprinkler
- Roll-move sprinkler lateral system or Side-roll sprinkler lateral system
- Two-line sprinkler method, or Tow-a-line method
- Irrigation sprinkler machine
- Travelling gun sprinkler
- Lateral-move irrigation machine sprinkler method
- Angle of departure of a rotating sprinkler
- Sprinkler (rotating)
- Distribution pattern (of a sprinkler diffuser)
- Range (of a sprinkler or diffuser)
- Minimum operating pressure (of a sprinkler or diffuser)
- Retractable sprinkler
- Test pressure (of a sprinkler or diffuser)
- Peak of travel path (of a sprinkler)
- Assumed sprinkler intensity
- Centre pivot sprinkler
