18RNH – 12-18 ft. Rotary Nozzle – Half-Circle Spray Pattern (180 Degree)

  • 12-18 ft half-circle pattern rotary nozzle
  • Low precipitation rate – 0.60 in/hr (15,2 mm/hr) – reduces run-off and erosion
  • Multiple, rotating streams uniformly distribute water throughout the radius range
  • Matched precipitation rate across radii and pattern simplify the design process
  • Matched precipitation rate with Rain Bird 5000/5000 Plus MPR Rotor Nozzles allow MPR irrigation designs from 12′ to 35′

Rotary Nozzles provide unsurpassed design flexibility and highly efficient water distribution from 12 to 24 feet. Rain Bird Rotary Nozzles help reduce water waste and make it easier to design systems.

The Rotary Nozzle is a truly remarkable innovation with a low precipitation rate, highly uniform distribution, and increased radius range, all in a nozzle which fits on a Rain Bird spray head.

Fewer zones, faster installs – System complexity and cost are reduced because more heads can be installed per zone. Rotary Nozzles can also be zoned with Rain Bird 5000/5000 Plus MPR Rotor Nozzles.

Efficient water distribution – multiple rotating streams deliver close-in watering and even coverage throughout the radius range. The low precipitation rate significantly reduces wasteful run-off and erosion.

Ultimate retrofit solution – low flow rate and an expanded radius of throw solve existing spray zone inefficiencies caused by diminished pressure or stretched spacing.

Nozzle Pattern

Half circle

Nozzle Radius

18 ft

Nozzle Type

Rotary spray

Nozzle Series



The Rotary Nozzle shall have a fixed arc of ____ degrees (____ circle) and shall be capable of covering a ____ feet radius (FT.RAD.)/(meter) at ____ pounds per square inch (psi)/(bars) with a discharge rate of ____ gallons per minute, (GPM)/(m3/h,l/s). The angle of the trajectory shall vary from 1 to 30 degrees. The Rotary Nozzle shall have multiple arced streams and have a matched precipitation rate of 0.60 in/hr. The Rotary Nozzle shall be constructed of UV-resistant plastic. The radius adjustment screw shall be of stainless steel. The Rotary Nozzles shall include a removable .02 x .02 mesh screen to protect the nozzle against clogging. The Rotary Nozzle shall have a precipitation rate matched with Rain Bird 5000/5000 Plus MPR Rotor Nozzles. The Rotary Nozzle shall be manufactured by Rain Bird Corp., Azusa, California.

Operating Range

Pressure range: 20-55 psi Spacing: 13\' to 18\' (based on zero wind conditions)


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