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I 25 - rotors

The I-25 gets the job done with power, efficiency, and commercial-grade reliability. With a robust watering radius of 40’ to 71’, this rotor can be used in a variety of applications and environments. Its compact, highly durable design comes with an optional stainless steel riser for tough-as-nails strength. With a 5-year warranty, the I-25 also has options for reclaimed water ID and high-speed. A standard check valve is built in, and a wide selection of high performance nozzles are available. Efficient, tough, and built-to-last, Hunter’s I-25 rotors work hard day in and day out so you don't have to.

Features                                                               Specification

  • Models: 4", 6"

  • Models stainless riser: 4", 6"

  • Arc setting: 50 to 360 degrees

  • Factory installed rubber cover

  • Through-the-top arc adjustment

  • Quick check arc mechanism

  • Water lubricated gear-drive

  • Nozzle choices: 12

  • Nozzle range: #4 to #28

  • Warranty period: 5 years

  • Radius: 37' to 71'
  • Flow rate: 3.8 to 31.5 GPM
  • Recommended pressure range: 40 to 100 PSI
  • Operating pressure range: 40 to 100 PSI
  • Precipitation rates: 0.4 in/hr approx.
  • Nozzle trajectory: 25 degrees

I-25 Models Chart






Overall Height 7-7/8" 10-1/4"
Pop-up Height 4" 6"
Exposed Diameter 1-7/8" 1-7/8"
Inlet Size 1" Female NPT 1" Female NPT



Nozzles: #4 to #28

Reclaimed water ID cover

High speed rotation model (stainless steel only)






I-25-04 = 4" Pop-up Adjustable arc, plastic riser, check valve, and 5 nozzles R, B

R = Reclaimed water ID

B = BSP inlet threads

#4 to #28 = Factory installed nozzle number
I-25-06 =
6" Pop-up






I-25-04-SS = 4" Pop-up Adjustable arc, stainless steel riser, check valve, and 5 nozzles R, HS, HS-R, B

R = Reclaimed water ID

HS = High speed

HS-R = High speed and reclaimed water ID

B = BSP inlet threads

#4 to #28 = Factory installed nozzle number
I-25-06-SS = 6" Pop-up


I-25-04 4" pop-up, adjustable arc
I-25-04-SS - R - 18 4" pop-up, adjustable arc, stainless steel riser, reclaimed water ID, and #18 nozzle
I-25-06-SS 6" pop-up, adjustable arc, stainless steel riser


Automatic Arc Return


This feature returns to the original arc regardless of where the turret is turned. This ensures vandal protection in any environment.

Non-Strippable Drive


The patent-pending, non-strippable, vandal proof drive mechanism enables the turret to be turned without causing damage.

Part- and Full-Circle in One Model


Patented non-reversing 360 for part- and full-circle in one model, from 50 to 360 degrees.

Color Coded Nozzles


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

Optional Reclaimed Water ID


Purple caps indicate where non-potable irrigation water is being used.

Stainless Steel Riser


For unforgiving soil conditions, unpredictable climates, or heavy foot traffic, stainless steel is the best choice

Drain Check Valve (up to 10' of 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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