Hunter I-25 rotor
Preview image for the video "Hunter I-Series Rotors Product Guide".
I-25
Specification builder chart.

I-25

The reliable, durable, and versatile I-25 offers an expansive nozzle selection that makes it the perfect choice for large turf applications.
Radius 11.9 to 21.6 m
Flow 0.82 to 7.24 m³/hr
Flow 13.6 to 120.7 l/min
Inlet Size 1" BSP
  • Rugged: Automatic arc return and non–strippable drive prevent damage from vandalism
  • Versatile: Part–and full–circle in one model, from 50º to 360º
  • Efficient: Built–in check valve saves water and reduces liability
Product Line
Rotors

Models

Popular Models

dsc_0090_rt.jpeg

I-25-04

I-25 Rotor, 4", adjustable from 50° to 360°, 1" inlet, plastic riser, check valve, five nozzles included
I-25 Rotor, 10 cm, adjustable from 50° to 360°, 1" (25 mm) inlet, plastic riser, check valve, five nozzles included
i-25-06_ca_rt.jpeg

I-25-06

I-25 Rotor, 6", adjustable from 50° to 360°, 1" inlet, plastic riser, check valve, five nozzles included
I-25 Rotor, 15 cm, adjustable from 50° to 360°, 1" (25 mm) inlet, plastic riser, check valve, five nozzles included
dsc_0081_clipped_rt.jpeg

I-25-06-SS

I-25 Rotor, 6", adjustable from 50° to 360°, 1" inlet, stainless steel riser, check valve, five nozzles included
I-25 Rotor, 15 cm, adjustable from 50° to 360°, 1" (25 mm) inlet, stainless steel riser, check valve, five nozzles included

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Feature Options

Model Description Add to List
I-25-04 I-25 Rotor, 10 cm, adjustable from 50° to 360°, 1" (25 mm) inlet, plastic riser, check valve, five nozzles included +
I-25-04-R I-25 Rotor, 10 cm, adjustable from 50° to 360°, 1" (25 mm) inlet, plastic riser, check valve, reclaimed ID, five nozzles included +
I-25-04-SS I-25 Rotor, 10 cm, adjustable from 50° to 360°, 1" (25 mm) inlet, stainless steel riser, check valve, five nozzles included +
I-25-04-SS-HS I-25 Rotor, 10 cm, adjustable from 50° to 360°, 1" (25 mm) BSP inlet, stainless steel riser, check valve, high-speed, five nozzles included +
I-25-04-SS-HS-R I-25 Rotor, 10 cm, adjustable from 50° to 360°, 1" (25 mm) inlet, stainless steel riser, check valve, high-speed, reclaimed ID, five nozzles included +
I-25-04-SS-R I-25 Rotor, 10 cm, adjustable from 50° to 360°, 1" (25 mm) inlet, stainless steel riser, check valve, reclaimed ID, five nozzles included +
I-25-06 I-25 Rotor, 15 cm, adjustable from 50° to 360°, 1" (25 mm) inlet, plastic riser, check valve, five nozzles included +
I-25-06-R I-25 Rotor, 15 cm, adjustable from 50° to 360°, 1" (25 mm) inlet, plastic riser, check valve, reclaimed ID, five nozzles included +
I-25-06-SS I-25 Rotor, 15 cm, adjustable from 50° to 360°, 1" (25 mm) inlet, stainless steel riser, check valve, five nozzles included +
I-25-06-SS-HS I-25 Rotor, 15 cm, adjustable from 50° to 360°, 1" (25 mm) BSP inlet, stainless steel riser, check valve, high-speed, five nozzles included +
I-25-06-SS-HS-R I-25 Rotor, 15 cm, adjustable from 50° to 360°, 1" (25 mm) inlet, stainless steel riser, check valve, high-speed, reclaimed ID, five nozzles included +
I-25-06-SS-R I-25 Rotor, 15 cm, adjustable from 50° to 360°, 1" (25 mm) inlet, stainless steel riser, check valve, reclaimed ID, five nozzles included +
Showing 1 - 12 of 12
I-25
I-25
I-25
User installed options

Contact your local distributor for product availability and ordering.

Specifications

Operating Specifications

  • Nozzle choices: 11
  • Radius: 11.9 to 21.6 m
  • Flow: 0.82 to 7.24 m3/hr; 13.6 to 120.2 l/min
  • Recommended pressure range: 2.5 to 7.0 bar; 250 to 700 kPa
  • Operating pressure range: 2.5 to 7.0 bar; 250 to 700 kPa
  • Precipitation rate: 15 mm/hr approximately
  • Nozzle trajectory: standard = 25°

Factory-Installed Options

  • Reclaimed water ID
  • High-speed rotation

User-Installed Options

  • HSJ-1 prefabricated 1" (25 mm) PVC swing joint

 Download Product Spec Sheet

  Download Written Specifications

Videos

Hunter I-Series Rotors Product Guide

Learn about recent product improvements that raise the bar for durability and performance, and why there is no better commercial sprinkler than Hunte

All Product Videos

Features

The I-25 gets the job done with power, efficiency, and commercial-grade reliability. With a robust watering radius of 11.9 to 21.6 m, 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.

Key Benefits

Patented automatic arc return feature returns the turret back to the original arc pattern if vandalised; adjustable arc from 50° to 360°
Non-strippable drive mechanism is protected from damage if turned in the opposite direction of travel
Part- and full-circle in one model for flexibility across landscapes and reduced inventory
Colour-coded nozzles make identification easy
QuickCheck™ arc mechanism for fast arc adjustment
Available stainless steel riser for extra durability
Drain check valve prevents low-head drainage (up to 3 m of elevation)

Advanced Features

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

Advanced Feature - Auto Arc Return

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

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

Advanced Feature - Part- And Full-Circle in One Model

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

I40 Opposing Nozzles

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

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

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.

Charts

 
I-25 Nozzle Performance Data
View Nozzle
Nozzle Pressure Radius Flow Precip mm/hr
  bar kPa m m³/hr l/min
4 •
Yellow
 2.5 250 11.9 0.82 13.6 12 13
3.0 300 12.2 0.91 15.2 12 14
3.5 350 12.5 0.98 16.4 13 15
4.0 400 12.5 1.05 17.5 13 16
4.5 450 12.8 1.11 18.6 14 16
5.0 500 13.1 1.18 19.6 14 16
5.5 550 13.4 1.24 20.7 14 16
7 •
Orange*
 2.5 250 13.4 1.44 24.0 16 19
3.0 300 14.0 1.54 25.6 16 18
3.5 350 14.3 1.61 26.9 16 18
4.0 400 14.3 1.68 28.0 16 19
4.5 450 14.6 1.75 29.1 16 19
5.0 500 14.9 1.81 30.1 16 19
5.5 550 15.2 1.87 31.1 16 19
8 •
Lt. Brown
 2.5 250 14.0 1.65 27.5 17 19
3.0 300 14.3 1.81 30.1 18 20
3.5 350 14.9 1.94 32.3 17 20
4.0 400 15.2 2.05 34.2 18 20
4.5 450 15.2 2.16 36.0 19 22
5.0 500 15.5 2.27 37.8 19 22
5.5 550 15.8 2.38 39.6 19 22
10 •
Lt. Green*
 3.0 300 15.2 2.15 35.8 18 21
3.5 350 15.5 2.32 38.6 19 22
4.0 400 15.8 2.48 41.3 20 23
4.5 450 16.2 2.63 43.9 20 23
5.0 500 16.2 2.78 46.3 21 25
5.5 550 16.5 2.94 48.9 22 25
6.0 600 16.8 3.07 51.1 22 25
13 •
Lt. Blue
 3.0 300 15.8 2.38 39.6 19 22
3.5 350 16.2 2.57 42.8 20 23
4.0 400 16.5 2.75 45.7 20 23
4.5 450 16.5 2.91 48.5 21 25
5.0 500 16.8 3.07 51.2 22 25
5.5 550 16.8 3.24 54.0 23 27
6.0 600 17.1 3.39 56.4 23 27
15 •
Grey*
 3.0 300 16.8 2.86 47.7 20 24
3.5 350 17.1 3.05 50.8 21 24
4.0 400 17.4 3.22 53.7 21 25
4.5 450 17.4 3.38 56.3 22 26
5.0 500 17.4 3.53 58.8 23 27
5.5 550 17.7 3.69 61.5 24 27
6.0 600 18.0 3.82 63.7 24 27
6.2 620 18.3 3.88 64.6 23 27
18 •
Red
 3.0 300 17.4 3.08 51.4 20 24
3.5 350 17.7 3.31 55.2 21 24
4.0 400 18.0 3.52 58.7 22 25
4.5 450 18.3 3.72 62.0 22 26
5.0 500 18.9 3.91 65.2 22 25
5.5 550 19.2 4.11 68.5 22 26
6.0 600 19.5 4.28 71.4 23 26
6.2 620 19.5 4.35 72.5 23 26
20 •
Dk. Brown*
 3.5 350 18.0 3.72 62.1 23 27
4.0 400 18.6 3.97 66.2 23 27
4.5 450 18.9 4.2 70.1 24 27
5.0 500 19.2 4.42 73.7 24 28
5.5 550 19.5 4.66 77.7 25 28
6.0 600 19.8 4.86 81.0 25 29
6.5 650 20.1 5.05 84.2 25 29
6.9 690 20.4 5.21 86.8 25 29
23 •
Dk. Green
 3.5 350 18.6 4.56 76.0 26 30
4.0 400 19.2 4.88 81.3 26 31
4.5 450 19.5 5.18 86.3 27 31
5.0 500 19.8 5.47 91.1 28 32
5.5 550 20.1 5.78 96.3 29 33
6.0 600 20.1 6.04 100.6 30 34
6.5 650 20.4 6.29 104.8 30 35
6.9 690 20.7 6.5 108.3 30 35
25 •
Dk. Blue*
 3.5 350 19.2 4.86 80.9 26 30
4.0 400 19.8 5.23 87.1 27 31
4.5 450 20.1 5.58 93.1 28 32
5.0 500 20.4 5.92 98.7 28 33
5.5 550 21.0 6.29 104.9 28 33
6.0 600 21.0 6.6 110.0 30 34
6.5 650 21.3 6.9 115.1 30 35
6.9 690 21.6 7.15 119.2 31 35
28 •
Black
 3.5 350 18.3 5.31 88.5 32 37
4.0 400 19.2 5.63 93.8 31 35
4.5 450 20.1 5.93 98.8 29 34
5.0 500 20.7 6.21 103.5 29 33
5.5 550 21.3 6.52 108.6 29 33
6.0 600 21.3 6.77 112.8 30 34
6.5 650 21.6 7.01 116.9 30 35
6.9 690 21.6 7.21 120.2 31 36

* 5 standard nozzles included with each sprinkler.

Notes:
All precipitation rates calculated for 180 degree operation. For the precipitation rate for a 360 degree sprinkler, divide by 2.
 
I-25 High Speed Nozzle Performance Data
View Nozzle
Nozzle Pressure Radius Flow Precip mm/hr
  bar kPa m m³/hr l/min
4 •
Yellow
 2.5 250 11.0 0.81 13.6 14 16
3.0 300 11.3 0.91 15.1 14 16
3.5 350 11.6 0.99 16.4 15 17
4.0 400 11.6 1.06 17.6 16 18
4.5 450 11.6 1.13 18.8 17 19
5.0 500 11.9 1.19 19.9 17 19
5.5 550 11.9 1.26 21.1 18 21
7 •
Orange*
 2.5 250 11.9 1.32 22.0 19 22
3.0 300 12.2 1.46 24.3 20 23
3.5 350 12.5 1.57 26.2 20 23
4.0 400 12.8 1.68 27.9 20 24
4.5 450 13.1 1.78 29.6 21 24
5.0 500 13.4 1.87 31.1 21 24
5.5 550 13.4 1.97 32.8 22 25
8 •
Lt. Brown
 2.5 250 12.5 1.54 25.7 20 23
3.0 300 12.8 1.72 28.6 21 24
3.5 350 13.1 1.86 31.0 22 25
4.0 400 13.4 2.00 33.3 22 26
4.5 450 13.4 2.13 35.4 24 27
5.0 500 13.7 2.25 37.5 24 28
5.5 550 13.7 2.38 39.7 25 29
10 •
Lt. Green*
 3.0 300 13.7 2.15 35.8 23 26
3.5 350 14.0 2.32 38.6 24 27
4.0 400 14.3 2.48 41.3 24 28
4.5 450 14.6 2.63 43.9 25 28
5.0 500 14.9 2.78 46.3 25 29
5.5 550 15.2 2.94 48.9 25 29
6.0 600 15.2 3.07 51.1 26 31
13 •
Lt. Blue
 3.0 300 14.3 2.38 39.6 23 27
3.5 350 14.6 2.57 42.8 24 28
4.0 400 14.9 2.75 45.7 25 28
4.5 450 15.2 2.91 48.5 25 29
5.0 500 15.5 3.07 51.2 25 29
5.5 550 15.5 3.24 54.0 27 31
6.0 600 15.5 3.39 56.4 28 32
15 •
Grey*
 3.0 300 14.6 2.86 47.7 27 31
3.5 350 14.9 3.05 50.8 27 32
4.0 400 15.2 3.22 53.7 28 32
4.5 450 15.5 3.38 56.3 28 32
5.0 500 16.2 3.53 58.8 27 31
5.5 550 16.5 3.69 61.5 27 31
6.0 600 16.5 3.82 63.7 28 33
6.2 620 16.5 3.88 64.6 29 33
18 •
Red
 3.0 300 14.9 3.08 51.4 28 32
3.5 350 15.2 3.31 55.2 29 33
4.0 400 15.5 3.52 58.7 29 34
4.5 450 16.2 3.72 62.0 29 33
5.0 500 16.8 3.91 65.2 28 32
5.5 550 17.4 4.11 68.5 27 31
6.0 600 17.4 4.28 71.4 28 33
6.2 620 17.4 4.35 72.5 29 33
20 •
Dk. Brown*
 3.5 350 15.5 3.72 62.1 31 36
4.0 400 16.2 3.97 66.2 30 35
4.5 450 16.5 4.20 70.1 31 36
5.0 500 17.1 4.42 73.7 30 35
5.5 550 17.7 4.66 77.7 30 34
6.0 600 17.7 4.86 81.0 31 36
6.5 650 18.0 5.05 84.2 31 36
6.9 690 18.0 5.21 86.8 32 37
23 •
Dk. Green
 3.5 350 16.5 4.56 76.0 34 39
4.0 400 17.1 4.88 81.3 33 39
4.5 450 17.4 5.18 86.3 34 40
5.0 500 17.7 5.47 91.1 35 40
5.5 550 18.3 5.78 96.3 35 40
6.0 600 18.3 6.04 100.6 36 42
6.5 650 18.6 6.29 104.8 36 42
6.9 690 18.6 6.50 108.3 38 43
25 •
Dk. Blue*
 3.5 350 17.1 4.86 80.9 33 38
4.0 400 17.7 5.23 87.1 33 39
4.5 450 18.3 5.58 93.1 33 39
5.0 500 18.9 5.92 98.7 33 38
5.5 550 19.5 6.29 104.9 33 38
6.0 600 19.8 6.60 110.0 34 39
6.5 650 20.1 6.90 115.1 34 39
6.9 690 20.1 7.15 119.2 35 41
28 •
Black
 3.5 350 17.4 5.31 88.5 35 41
4.0 400 17.7 5.63 93.8 36 42
4.5 450 18.0 5.93 98.8 37 42
5.0 500 18.3 6.21 103.5 37 43
5.5 550 18.9 6.52 108.6 36 42
6.0 600 19.5 6.77 112.8 36 41
6.5 650 19.8 7.01 116.9 36 41
6.9 690 20.4 7.21 120.2 35 40

* 5 standard nozzles included with each sprinkler.

Notes:
All precipitation rates calculated for 180 degree operation. For the precipitation rate for a 360 degree sprinkler, divide by 2.

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CAD Installation Details

I-25-04 with HSJ swing arm DWG DXF PDF
I-25-04 with HSJ swing arm and stabilizer DWG DXF PDF
I-25-04 with swing arm DWG DXF PDF
I-25-06 with HSJ swing arm DWG DXF PDF
I-25-06 with HSJ swing arm stabilizer DWG DXF PDF
I-25-06 with swing arm DWG DXF PDF
I-25-06 with swing arm and stabilizer flange DWG DXF PDF

CAD Installation Details

Training

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Photo Usage Disclaimer

Disclaimer: It is illegal to reproduce Hunter photographs or other copyrighted material without the express written permission of the company. When used and/or reproduced, photos must be accompanied by the credit line: "Photo courtesy of Hunter Industries Incorporated." Hunter photos may not be used in association with copy, logos, or other graphic elements that represent other manufacturers' products. If you are using Hunter photos to create any type of print or graphic piece or on a website, you must send a copy of your intended use to creative@hunterindustries.com. Hunter must approve the design prior to final production.

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Related Products

1" and 1.5" Inlet Rotors Comparison Chart

<< View 1/2" and 3/4" Inlet Rotors

A Standard that Has Yet to be Matched
Hunter built its reputation on the quality, reliability, and innovative features found in its rotary sprinkler line, and continues to set the benchmark by which other manufacturers' rotors are judged.

 

  I-25 I-40 I-40-ON I-80 I-80-ON I-90 I-90-36V
QUICK SPECS
Inlet Size (BSP) 1" (25 mm) 1" (25 mm) 1" (25 mm) 1½" (40 mm) 1½" (40 mm) 1½" (40 mm) 1½" (40 mm)
Radius (m) 14.0 - 21.6 13.1 - 23.3 15.2 - 23.2 19.8 - 28.7 19.2 - 29.6 22.3 - 31.7 22.3 - 31.7
Flow Rate (m3/hr) 0.82 - 7.24 1.63 - 6.84 2.75 - 7.76 4.6 - 13.5 4.9 - 13.3 6.7 - 19.04 6.7 - 19.04
Flow Rate (l/min) 13.6 - 120.7 27.2 - 114.1 45.8 - 129.4 76.5 - 225.6 81.8 - 221.4 111.7 - 317.2 111.7 - 317.2
FEATURES
Recommended Pressure Range (bar) 2.5 - 7.0 2.5 - 7.0 2.5 - 7.0 3.4 - 6.9 3.4 - 6.9 5.5 - 8.0 5.5 - 8.0
Recommended Pressure Range (kPa) 250 - 700 280 - 700 280 - 700 340 - 690 340 - 690 550 - 800 550 - 800
Operating Pressure Range (bar) 2.8 - 6.9 2.5 - 7.0 2.5 - 7.0 3.4 - 6.9 3.4 - 6.9 5.0 - 8.0 5.0 - 8.0
Operating Pressure Range (kPa) 280 - 690 250 - 700 250 - 700 340 - 690 340 - 690 500 - 800 500 - 800
Precipitation Rate (mm/hr) 10 10 10 15 15 19 19
Nozzle Trajectory 25 degrees 25 degrees 25 degrees 22.5 degrees 22.5 degrees 22.5 degrees 22.5 degrees
Check Valves Pre-installed Pre-installed Pre-installed Pre-Installed Pre-Installed Pre-installed Pre-installed
Check Height 3 m 4.5 m 4.5 m 1.5 m 1.5 m 2 m 2 m
Nozzle Options 11 6 6 7 7 16 16
Warranty 5 Years 5 Years 5 Years 5 Years 5 Years 5 Years 5 Years
ADVANCED FEATURES
Automatic Arc Return          
Non-Strippable Drive    
Part-and-Full-Circle in One Model    
Reclaimed Water ID
Factory-Installed Drain Check Valve
(3 m)
(4.5 m)
(4.5 m)
(1.5 m)
(1.5 m)
(2 m)
(2 m)
Stainless Steel Riser Optional Standard Standard Standard Standard    
Applications
Residential              
Commercial/Municipalities
Athletic Fields
High-Vandalism Areas        
Low-Pressure Areas              
Reclaimed Water

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