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Rain Bird 15H MPR Half Circle Spray Sprinkler Nozzle w/Screen, 15 Foot Radius - 25 Pack
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The Rainbird 15H sprinkler nozzle 25-pack fits on all of the brand's spray heads and shrub adapters. It features half-circle spray sprinkling action and a filter screen that prevents clogging. A durable stainless steel adjustment screw makes it easy to change the sprinkler's flow and radius.
Matched Precipitation Rate (MPR) nozzles simplify the design process by allowing sprinklers with various arcs and radii to be mixed on the same circuit. MPR spray head nozzles are now color-coded on top to enhance your productivity. Top Color-coding makes it easy to verify proper nozzle installation, even when system is not operating. Now it's easier to sort, easier to organize, and easier to install with Top Color-coded nozzles, now distinctly Rainbird.
Selecting the correct nozzle is one of the most crucial, yet overlooked, elements in irrigation system design. Choosing the correct nozzle, whether it's for a spray head or a rotor, is easy if you take the time to study the nozzle charts in a manufacturer's product or online catalog and select one that best suits your needs; irrigation equipment manufacturers have put a tremendous amount of effort into developing nozzles to fit almost every application: For slopes and compacted soils, select a nozzle with a lower precipitation rate. For windy areas, select a nozzle with a low nozzle outlet trajectory. To achieve even water distribution without having to separate part-circle from full-circle sprinklers, select a nozzle set that features a matched precipitation rate. Another way to ensure uniform watering, if you're working with spray heads, is to select nozzles that have an undercut nozzle. These nozzles have an second, undercut orifice for watering closer to the head. For flexibility with spray heads, select a nozzle with an adjustable or variable arc. Because nozzles are designed to work within a wide range of pressures, it is important to ensure you have the correct pressure at the base of the nozzle.
Too much pressure, as is commonly the situation with spray heads, will result in misting. Misting creates a reduction in the radius of throw and you may experience uneven coverage, and cause wet and dry spots. To correct this, several manufacturers offer devices that can be installed at the nozzle or are integrated in the sprinkler, such as the Rainbird PRS Series.
If you're working primarily with rotors, keep in mind that too much pressure can cause the rotor to rotate too quickly. The nozzle stream of a fast moving rotor will "horsetail" and cause a severe reduction in the radius of coverage. Too little pressure will also result in a reduction in the radius of throw and uneven water distribution.
- Half Circle
- Matched precipitation rates across sets and across patterns in 15 Series for even water distribution and design flexibility
- 1800 Series white filter (.035" x .035") screens (shipped with nozzles) maintain precise radius adjustment and prevent clogging
- Stainless steel adjustment screw to adjust flow and radius
- Model: 15H
- Product number: A47070
- Spacing: 5 to 15 feet (1,5 to 4,5 m)
- Pressure: 15 to 30 psi (1 to 2,1 bar)
- Optimum Pressure: 30 psi (2,1 bar)
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