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Hunter Institutional Sprinkler Spray Series
Rugged, water-saving irrigation sprinklers designed for commercial, institutional and public area applications.
Exceptional strength, innovative features…just the need for high traffic areas. Features like a positive-seal flush cap with an innovative pull-up design that keeps debris out. A high quality, multi-functional, pressure-activated wiper seal. True pressure regulation under a wide range of environmental and pressure conditions to reduce water waste. An in-stem regulator that acts as a flow control device if the nozzle is removed. A super heavy-duty check valve assembly that eliminates the potential liability issues of low head drainage. The most powerful retraction spring in its class.
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HUNTER INSTITUTIONAL SPRAY MODELS:
HUNTER INSTITUTIONAL SPRAY NOZZLES:
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HUNTER INST-06-CV
Institutional Sprinkler Spray
Pop-Up Height: 6"
Overall Body Height: 8"
Exposed surface diameter: 2"
Bottom: ½" female inlet NPT
These Pop-Up Spray Heads are sold body ONLY (nozzles not included).
Nozzles purchased separately to allow you to choose exact pattern and radius (distance) that you need.
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. |
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Built-in in-stem pressure regulation
Maximum nozzle efficiency regardless of inlet pressure
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Heavy-duty body and cap construction
Multi-thread buttress design withstands the harshest environments
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Pressure activated, multi-function, no flow-by wiper seal
Easy to remove and clean; treated with UV inhibitors to ensure long life
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Compatible with All Female Threaded Nozzles
Accepts adjustable, fixed and specialty nozzles from Hunter and all major brands
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Optional factory-installed drain check valve for up to 10 feet elevation change
Eliminates landscape damage from flooding and erosion
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Ratcheting riser for quick arc alignment
Make adjustments while irrigation sprinkler is operating
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Heavy-duty spring
For positive retraction under any conditions
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Innovative pop-top flush plug design
Allows limited flow permitting controlled directional flushing
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1/2" standard side inlet on 6" and 12" models
Installation convenience for deep seated bodies
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- Overall height:
INST-04 – 5 7/8" (15.5 cm)
INST-06 – 8" (22.5 cm)
INST-12 – 16 1/8" (41 cm)
- 1/2" female inlet NPT
- Exposed diameter: 2" (5.7 cm)
- Recommended pressure range: 15 to 100 psi (1.0 to 6.9 bars; 103 to 689 kPa)
- Flow-by: 0 at 10 psi (.7 bars; 68 kPa) or greater; .1 gpm (0.02 m3/hr; 0.4 l/min) otherwise
- Precipitation rates: approximately 1.5" (38 mm) per hour
Pressure regulation that's built in (so it's always there)
For long pipe runs with wide variations in available pressure, large elevation changes that make design difficult, or high and variable pressure situations that create nozzle performance problems, the Institutional Spray provides a comprehensive solution. Built-in pressure regulation to a true 30 psi. You'll get controlled, reliable pressure to Hunter's wide array of available nozzles, as well as the elimination of misting, fogging or unwanted variation. The pressure regulator is also dirt tolerant, handles extreme operating pressures up to 100 psi and will control flow rates by 70% if the nozzle is damaged or removed. Best of all, unlike pressure compensating discs, this regulator is built into the irrigation sprinkler, so it's ready from the get-go to handle the extremes your site dishes out.
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Without Regulator
Mist gets carried away |
With Regulator
Large water droplets = No wasted water |
The Hunter Seal of Approval
 Manufactured from the highest grade UV resistant materials, the Institutional Spray and Pro-Spray's® pressure activated, multi-function wiper seal is designed for long life under the toughest conditions. A zero flush seal ensures dependable operation without excessive "flow-by," allowing more sprinkler heads to be installed on the same zone. A unique pressure activated design grips the riser when operating and keeps debris from entering the seal when retracted. And, an additional riser seal support helps to ensure strength and reliable performance. Plus, each seal can be field-replaced without having to replace the body cap. Now that's a seal you'll approve of.
All Situations are Not Exactly Alike... Same Goes for Your Nozzle Choices
 One of the constant challenges in irrigation is finding a way to efficiently water landscape areas of different shapes and sizes, encompassing everything from turf to shrubs to the most delicate flowers. It stands to reason that no single nozzle should provide all your irrigation answers. Whether you choose to use the new Pro-Spray® or Institutional Spray, or prefer the popular SRS, Hunter should be considered your sprinkler of choice because it is the irrigation sprinkler of choices. Today, the line-up of nozzle choices for all Hunter sprays is so wide ranging, one is certain to meet your particular needs. Adjustable arc or fixed pattern. Small area, micro-spray or pressure compensating bubbler. Corner strips, side strips or stream sprays. Each one color-coded for easy flow rate identification, each one precision engineered for maximum performance. Now, more than ever, whatever needs you have for a spray, Hunter has the nozzle to get the job done.
Check Valves: No leaks, no puddles, no waste
 The Institutional Spray check valve eliminates leaks and puddles at the lower heads, protecting landscapes from damage and erosion while reducing water waste, for up to 10 feet of elevation change. Choose from the convenience of factory-installed check valves or the flexibility of field installation.
The "Pull Ring" Flush Cap: Extra Performance Engineered from the Top Down
 The innovative design of the Hunter Pro-Spray® flush cap - with its convenient pull ring that allows for easy pull up of the riser - makes installation quicker and easier. Not to mention, cleaner. During flushing operations the flush plug is designed for positive riser pop-up, as water pressure opens the flap to permit controlled directional flushing that cleans the system. The plug then closes and, while in the retracted position, the spring loaded, self-sealing mechanism prevents debris from entering the riser. The result: no more nozzle plugging and debris-related callback problems.
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