I-25 Plus Rotary Sprinklers
I-25-ADV
Pop-Up Height: 3 1/2"
Overall Body Height: 7 7/8"
Exposed surface diameter: 1 7/8"
Bottom: 1" female inlet NPT or BSP
Hunter I-25 Sprinklers come complete with factory-installed drain check valve
for up to 7 feet elevation change which eliminates landscape damage from
flooding and erosion.
Note: If the overall height of spray head is too tall for your application, you
can use a Hunter Pre-Made Swing Joint to move the head off the pipe and allow
you to bury it deeper.
Efficient, economical, easy to use. The ideal choice for commercial
and recreational systems.
For durability, performance and economy on medium to large area
sites, no other irrigation rotor brings it all together like the Hunter I-25
Plus. A
ribbed body and cap for better grip. An extra-thick heavy-duty rubber
cover. The industry's smallest exposed surface area in its category. A
dozen nozzles that provide optimum performance in both primary and
secondary coverage. The patented VStat® self-adjusting stator. Compact,
extra-beefy construction. Plus, an optional stainless steel riser for
even more toughness. The I-25 Plus has plenty to offer at quite
an attractive price. No wonder it's the pick of so many people for so
many irrigation jobs.
Features and Benefits
Liability a top priority? The bottom line is you need ProTech™
 When
it comes to safety at sport facilities, less is more - the less
exposed surface area on your irrigation rotors, the more safe that playing
surface will be. With the ProTech safety system, the revealed
portion of our heavy duty rubber cover is of the smallest
possible size, minimizing the possibility of contact with
athletic participants or children at play. And, with a rubber
boot that surrounds the rubber cover, there are also no metal or
hard plastic components close to the surface. The result is that
the entire top of our I-25 Plus and I-40 commercial irrigation rotors are
both flexible and user friendly.
New nozzles: Custom tailored uniformity
 We've
totally redesigned our nozzles for the I-25 Plus. Now, you replace
the primary and secondary nozzles together, as a single unit
resulting in uniformity at any distance from each and every nozzle.
Unmatched Performance? It’s All by Design
 With
a combination of intelligent planning, carefully
controlled manufacturing and frequent tests that conform
to the strictest industry standards, the exceptional
performance of our remarkable nozzles is no accident.
Hunter is the only rotary sprinkler manufacturer that
not only tests nozzles during the development stage but
also performs frequent tests of every batch produced.
Our world-class on site laboratory checks every
production run of nozzles for gallonage output, distance
of throw and numerous uniformity statistics assuring you
that the nozzles you receive will meet or exceed our
exacting standards. Plus, we take the extra step to
check our work by asking the Center for Irrigation
Technology in Fresno, California to independently test
our nozzles to provide third party verification of their
superior results.
Stainless Steel Riser – Added Strength for the Harshest
Conditions
 The
stainless steel riser option provides added protection for the
irrigation sprinkler pop-up stem and wiper seal, ensuring long life in the
harshest soil conditions.
VStat
®: A stator that's state-of-the-art
 There
are no stator rings required with the new VStat constant
speed, self-adjusting stator. This remarkable patented
innovation provides up to twice the driving force to the
gear drive while adding years to the life of the
product, and it's no longer necessary to disassemble the irrigation
sprinkler to install "the right ring."
Drain Check
 The
standard drain check valve in our Institutional Series™
pop-up rotors prevents the water in the lateral piping
system from escaping through the sprinklers. This
water-saving feature has the side benefits of lessening the
wear on system components and lowering liability issues.
I-25/31: When Speed is the Need
 For
quick, light wetdowns of sports fields or any areas that
require dust control, Hunter offers the new High-Speed
version I-25/31 HS, that cuts full circle rotation time
from three minutes down to one.
I-25/I-31 Plus
Models
I-25, I-31* – 3 1/2" (9cm)
Commercial duty rotor
I-25 HS, I-31 HS* – 3 1/2" (9cm) High-speed
commercial duty rotor
I-25-6P, I-31-6P* – 5 1/2" (14cm)
Commercial duty rotor
I-25-6P HS, I-31-6P HS* – 5 1/2" (14cm) High-speed
commercial duty rotor
* Metric model number (BSP threaded nozzle)
Dimensions
- Overall height:
I-25, I-31, I-25 HS, I-31 HS – 7 7/8" (20 cm)
I-25-6P, I-31-6P, I-25-6P HS, I-31-6P HS – 10 1/4" (26 cm)
- Female inlet: 1" NPT or BSP
- Exposed diameter: 1 7/8" (5 cm)
Operating Specifications
- Discharge rate: 3.8 to 31.5 gpm (0.86 to 7.16 m3/hr;
14.4 to 119.2 l/min)
- Radius for I-25: 40' to 71' (12.2 to 21.6 m)
- Radius for I-25/I-31 HS: 37' to 67' (11.3 to 20.4 m)
- Recommended pressure range: 50 to 70 psi (3.4 to 4.8
bars; 344 to 482 kPa)
- Operating pressure range: 40 to 100 PSI (2.8 to 6.9
bars; 275 to 689 kPa)
- Precipitation rates: approximately .23" to .57" (6 to 14
mm) per hour
- Nozzle trajectory: 25°
Note: To ensure optimum nozzle
performance, the irrigation rotor should be operated in the "Recommended
pressure range." The irrigation sprinkler will work normally when used in
the "Operating pressure range", but nozzle performance may be
reduced.
Options Available
- For quick, light wetdowns of sports fields or any areas
that require dust control, Hunter offers the new High-Speed
version I-25/31 HS that cuts full circle rotation time from
three minutes down to one. High-speed model I-42/43 also
available.
- Reclaimed water cover
- Factory-installed nozzles
-
Sub-Surface Stabilizer Flange for additional
stabilization
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