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I 90 - rotors

The I-90 is Hunter’s longest distance rotor specifically designed for natural turf, parks, sports fields, and public areas. With a radius of up to 101 feet, the I-90 boasts the longest throw capability of all natural turf rotors. Yet, its reduced-size diameter and cushioned rubber cover make it the perfect choice for parks and wide-open lawn areas, as well as perimeter watering of athletic fields and horse arenas. The rotor is also easy to service, with a “jar-top” body cap that allows quick access to the filter screen and check valve with no extra pieces, parts, or tools required. The I-90 is offered in two models: a full-circle opposing-nozzle version or an adjustable arc model, each with color-coded nozzles that can be field-changed to match the specific needs of any large site.

Features                                                               Specification

  • Model: 3"

  • Arc setting: 40 to 360 degrees

  • Nozzle choices: 8

  • Nozzle range: #25 to #73

  • Through-the-top arc adjustment

  • Quick check arc mechanism

  • Water lubricated gear-drive

  • Standard factory installed nozzle: #53

  • Factory installed rubber logo cap

  • Warranty period: 5 years

  • Radius: 63' to 101'
  • Flow rate: 22 to 83 GPM
  • Recommended pressure range: 60 to 110 PSI
  • Operating pressure range: 50 to 120 PSI
  • Precipitation rates: 0.75 in/hr approx. (360 degrees)
  • Nozzle trajectory: 22.5 degrees

I-90 Model Chart





Turf cup kit


Rubber cover kits

Overall Height 11" P/N 467955 P/N 234200
P/N 234201
Pop-up Height 3"
Exposed Diameter 3-1/2"
Inlet Size 1-1/2" Female NPT



Nozzles: #25 to #73

Reclaimed water ID cover

Rubber Cover Kit I90-ADV (P/N 234200)

Rubber Cover Kit I90-36V (P/N 234201)

Turf Cup Kit (P/N 467955)


I-90 = 3" Pop-up Plastic riser, check valve, and 8 nozzles ADV, ARV, 36V, 3RV ADV = Adjustable arc #25 to #73 = Factory installed nozzle number
ARV = Adjustable arc and reclaimed water ID
36V = Full circle, opposing nozzles
3RV = Full circle, opposing nozzles and reclaimed water ID


I-90 - ADV 3" pop-up, adjustable arc
I-90 - 36V - 43 3" pop-up, full circle, opposing nozzles, and #43 nozzle
I-90 - 3RV - 63 3" pop-up, full circle, opposing nozzles, reclaimed water ID, and #63 nozzle

Opposing Nozzle 360˚ Model


Many customers prefer the aesthetic appeal and performance of opposing nozzles. With primary and secondary nozzles on opposite sides of the turret, streams arc in opposing directions and provide highly efficient coverage at every range of throw. 

I-90 Color coded nozzles

Nozzles are easier to differentiate in the field for quick reference and simple installation.


Purple logo caps indicate the use of non-potable irrigation. They are available as a factory installed-option or as a replacement part.

I-90 DRAIN CHECK VALVE (up to 9' Elevation)

As air in the system piping can cause long-term damage to rotors and plumbing, the drain check valve keeps lines from draining when the system is shut off. This saves water, reduces liability, and increases system life.

Additional Information

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