I-25 Family
Preview image for the video "Hunter I-Series Rotors Product Guide".

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 40' to 71'
Flow 3.8 to 31.5 GPM
Inlet Size 1" NPT
  • 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

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Model Description Add to List
I-25-04 I-25 Rotor, 4", adjustable from 50° to 360°, 1" inlet, plastic riser, check valve, five nozzles included +
I-25-04-R I-25 Rotor, 4", adjustable from 50° to 360°, 1" inlet, plastic riser, check valve, reclaimed ID, five nozzles included +
I-25-04-SS I-25 Rotor, 4", adjustable from 50° to 360°, 1" inlet, stainless steel riser, check valve, five nozzles included +
I-25-04-SS-HS I-25 Rotor, 4", adjustable from 50° to 360°, 1" BSP inlet, stainless steel riser, check valve, high-speed, five nozzles included +
I-25-04-SS-HS-R I-25 Rotor, 4", adjustable from 50° to 360°, 1" inlet, stainless steel riser, check valve, high-speed, reclaimed ID, five nozzles included +
I-25-04-SS-R I-25 Rotor, 4", adjustable from 50° to 360°, 1" inlet, stainless steel riser, check valve, reclaimed ID, five nozzles included +
I-25-06 I-25 Rotor, 6", adjustable from 50° to 360°, 1" inlet, plastic riser, check valve, five nozzles included +
I-25-06-R I-25 Rotor, 6", adjustable from 50° to 360°, 1" inlet, plastic riser, check valve, reclaimed ID, five nozzles included +
I-25-06-SS I-25 Rotor, 6", adjustable from 50° to 360°, 1" inlet, stainless steel riser, check valve, five nozzles included +
I-25-06-SS-HS I-25 Rotor, 6", adjustable from 50° to 360°, 1" BSP inlet, stainless steel riser, check valve, high-speed, five nozzles included +
I-25-06-SS-HS-R I-25 Rotor, 6", adjustable from 50° to 360°, 1" inlet, stainless steel riser, check valve, high-speed, reclaimed ID, five nozzles included +
I-25-06-SS-R I-25 Rotor, 6", adjustable from 50° to 360°, 1" inlet, stainless steel riser, check valve, reclaimed ID, five nozzles included +
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: 37' to 71'
  • Flow: 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 approximately
  • Nozzle trajectory: standard = 25°
  • Warranty period: 5 years

Factory-Installed Options

  • Reclaimed water ID
  • High-speed rotation 

User-Installed Options 

  • HSJ-1 prefabricated 1" PVC swing joint

Videos

Sports Turf Irrigation Solutions

Hunter Industries presents a webinar on Sports Turf Irrigation Solutions

What's New in Irrigation, 2021

Hunter Industries presents a webinar on What's New in Irrigation for 2021.

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 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.

Key Benefits

Patented automatic arc return feature returns the turret back to the original arc pattern if vandalized; 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 installation flexibility and reduced inventory
Color-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 10' 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

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
Nozzle Pressure Radius Flow Precip in/hr
  PSI ft GPM
4  
Yellow
40 40 3.8 0.46 0.53
50 41 4.3 0.49 0.57
60 42 4.7 0.51 0.59
70 43 5.1 0.53 0.61
7
Orange*
40 45 6.6 0.63 0.72
50 47 7.0 0.61 0.70
60 48 7.5 0.63 0.72
70 49 7.9 0.63 0.73
8
Lt. Brown
40 47 7.7 0.67 0.77
50 49 8.3 0.67 0.77
60 50 9.2 0.71 0.82
70 51 9.9 0.73 0.85
10
Lt. Green*
50 51 10.1 0.75 0.86
60 52 11.1 0.79 0.91
70 53 12.1 0.83 0.96
80 54 12.9 0.85 0.98
13
Lt. Blue
50 53 11.2 0.77 0.89
60 54 12.3 0.81 0.94
70 55 13.3 0.85 0.98
80 55 14.3 0.91 1.05
15
Grey*
50 56 13.4 0.82 0.95
60 57 14.3 0.85 0.98
70 57 15.2 0.90 1.04
80 58 16.4 0.94 1.08
18
Red
50 58 14.5 0.83 0.96
60 59 15.7 0.87 1.00
70 62 16.9 0.85 0.98
80 63 18.2 0.88 1.02
20
Dk. Brown*
60 62 17.8 0.89 1.03
70 63 19.2 0.93 1.08
80 64 20.5 0.96 1.11
90 65 21.8 0.99 1.15
23
Dk. Green
60 64 21.9 1.03 1.19
70 65 23.6 1.08 1.24
80 66 25.6 1.13 1.31
90 67 27.0 1.16 1.34
25 
Dk. Blue*
60 66 23.5 1.04 1.20
70 68 25.5 1.06 1.23
80 69 28.0 1.13 1.31
90 70 29.5 1.16 1.34
28 
Black
70 68 26.9 1.12 1.29
80 70 28.7 1.13 1.30
90 71 30.6 1.17 1.35
100 71 31.5 1.20 1.39

* 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
Nozzle Pressure Radius Flow Precip in/hr
  PSI ft GPM
Yellow
40 37 3.8 0.53 0.62
50 38 4.3 0.57 0.66
60 38 4.7 0.63 0.72
70 39 5.2 0.66 0.76
7
Orange*
40 40 6.1 0.73 0.85
50 41 6.9 0.79 0.91
60 42 7.5 0.82 0.95
70 44 8.1 0.81 0.93
8  
Lt. Brown
40 47 7.7 0.67 0.77
50 49 8.3 0.67 0.77
60 50 9.2 0.71 0.82
70 51 9.9 0.73 0.85
10
Lt. Green*
50 46 10.1 0.92 1.06
60 48 11.1 0.93 1.07
70 49 12.1 0.97 1.12
80 50 12.9 0.99 1.15
13
Lt. Blue
50 48 11.2 0.94 1.08
60 49 12.3 0.99 1.14
70 51 13.3 0.98 1.14
80 51 14.3 1.06 1.22
15  
Grey*
50 49 13.4 1.07 1.24
60 51 14.3 1.06 1.22
70 53 15.2 1.04 1.20
80 54 16.4 1.08 1.25
18  
Red
50 50 14.5 1.12 1.29
60 53 15.7 1.08 1.24
70 55 16.9 1.08 1.24
80 57 18.2 1.08 1.25
20  
Dk. Brown*
60 53 17.8 1.22 1.41
70 56 19.2 1.18 1.36
80 58 20.5 1.17 1.35
90 59 21.8 1.21 1.39
23  
Dk. Green
60 56 21.9 1.34 1.55
70 58 23.6 1.35 1.56
80 60 25.6 1.37 1.58
90 61 27.0 1.40 1.61
25  
Dk. Blue*
60 58 23.5 1.34 1.55
70 62 25.5 1.28 1.47
80 64 28.0 1.32 1.52
90 66 29.5 1.30 1.51
28  
Black
70 60 26.9 1.44 1.66
80 62 28.7 1.44 1.66
90 65 30.6 1.39 1.61
100 67 31.5 1.35 1.56

* 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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