|Model||Description||Add to List|
|STG-900-83||Synthetic turf rotor, 8 cm pop-up, adjustable from 40° to 360°, plastic riser, 1½" (40 mm) Acme inlet threads, Total-Top-Service Technology, nozzle 83 installed; for use with STG-900-KIT||+|
|ST-173026-B||Synthetic turf accessory, composite vault, precast hole for rotor and quick-access port for Quick Coupler; for use with STG-900-KIT||+|
|ST-2008-VA||Synthetic turf accessory, vertical alignment PVC swing joint, seven pivot points, 5 cm female slip inlet, 1½" (40 mm) female Acme outlet; for use with STG-900-KIT||+|
|ST-VBVF-K||Synthetic turf accessory, 1½" (40 mm) Acme x 1½" (40 mm) NPT fitting, ICV-151G Valve, 1½" (40 mm) NPT x 1½" (40 mm) slip fitting, 1½" (40 mm) manifold ball valve, 1½" (40 mm) slip x 1½" (40 mm) Acme fitting; for use with STG-900-KIT||+|
|473900SP||G-995 Rubber Cover Kit (date codes 07/11 and after), quantity 1||+|
|HQ-5-RC||HQ Quick Coupler, 1" (25 mm) female inlet, 1 slot, 1-piece body; compatible Key HK-55, HS-1 or HS-2 Hose Swivel, and yellow lid||+|
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• Radius: 103' to 120'
• Flow: 74.5 to 92.0 GPM
• Operating pressure range: 100 to 120 PSI
• Precipitation rate: 1.25 in/hr approximately
• Warranty period: 5 years for component parts
The Hunter STG-900-KIT is the first and only fully integrated irrigation solution for mall-to-midsize synthetic turf fields. This unique, cost-effective offering combines our legendary gear-driven rotor technology with a special multi-axis swing joint, low-pressure-loss valves, and feature-packed vault for reliable, long-term performance.
All irrigation components, including the swing joint point of connection, are accessible through the top for flexible and easy installation, servicing, and maintenance. This complete access also eliminates any need for excavation when restoring the field, saving a significant amount of time and money. Ordering is a snap too, thanks to the kit’s handy reference sheet that lists everything you need.
|FIGURE||COMPONENTS TO ORDER||QTY||ITEM DESCRIPTION|
|1||STG-900-83||1||Pop-up, top-serviceable, adjustable arc (40° to 360°), 1½" Acme inlet|
|2||ST-173026-B||1||Composite vault, pre-cast hole for rotor and quick coupler|
|3||ST-2008-VA||1||Vertical alignment PVC Swing Joint, seven pivot points, 2" female slip inlet, 1½" female Acme outlet|
|4||ST-VBVF-K||1||ICV-151G Valve, manifold ball valve, 1½" Acme inlet, 1½" Acme outlet|
|5||239800||1||1½" elbow, female Acme to male Acme, connects STG-900 Rotor to ST-VBVF-K|
|6||473900SP||1||STG-900 Rubber Cover Kit|
|7||HQ-5RC||1||Quick coupler, 1" NPT inlet, 1¼" outlet for key|
Designed for small to midsize synthetic turf field layouts, the kit’s STG-900 rotor offers a radius range up to 120'. Featuring a slightly larger exposed surface area, it includes through-the-top access to the riser assembly for easy maintenance. This versatile option can be installed in a vault system within the synthetic field or in the natural turf adjacent.
Traditional swing joints will cause the rotor to move back and forth as the elevation of the rotor is raised and lowered. While appropriate for natural turf installations, synthetic turf systems require a completely different approach. The best way to support the rotor's tremendous lateral thrust during operation is to place the rotor in a snug fitting hole within the vault's cover set. In order to set the rotor perfectly to grade and in this very specific location the swing joint must provide flexible movement in every direction, not only up and down, but also forward, backward, left and right. Ideally, this flexibility would include the ability to "reset" the elevation grade of the rotor should the enclosure settle downward during the vibratory compaction of the surrounding field base material. Enter the Hunter Vertical Alignment (VA) swing joint. Offering the ultimate in flexibility, our vertical alignment swing joint includes six pivot points for multi-axis movement plus a seventh pivot at the outlet for rotational adjustments of the valve and rotor assembly. Constructed of rugged 2" PVC pipe and fittings, this 315 PSI rated swing joint dramatically reduces dangerous water velocities and performance robbing pressure loss through the ST System's components.
The Hunter ST vault's complementary blend of features include construction grade fiberglass in the body, high impact polymer-concrete on the exposed upper rim and a near indestructible polymer-concrete cover set. Together, they form a 20,000+ lb. rated enclosure that is durable, yet easy to install at 105 lbs. with the covers removed.
The exclusive 2” thick three-piece polymer-concrete cover set has a perfectly located cast-in hole for the STG-900 rotor on one side. This design allows the rotor to be held perfectly to grade within the hole while the enclosure is back-filled from the exposed opposite side. Quick couplers are a must-have around every synthetic field. The cast-in quick coupler port and cover on the opposite side eliminates the need for separate quick coupler enclosures around the playing field.
All ST Vaults include convenient quick access ports. Quick-couplers provide a convenient source of water for washing down spills and water-soluble paint. Integrated in-vault design eliminates the need for additional quick-coupler enclosures.
Clear Advantage of the Hunter ST Vault
Have you ever tried to bore a hole into polymer-concrete? It is near impossible. How about installing and setting a 400 lb. polymer-concrete enclosure? Not very much fun.
We designed the ST vault to be as lightweight and easy to install as possible without sacrificing durability. From the functionality perspective, the three-piece cover, large interior space and total top access to all components make servicing easier and the system less expensive to maintain.
For some, the preferred approach to designing synthetic turf irrigation systems is the "block" type configuration with remotely located valves that are off the synthetic surface. The benefit of this configuration is that it removes all high-pressure mainlines from beneath the synthetic surface. Through the use of a remotely located isolation valve, constantly pressurized supply lines to the quick couplers can be removed from beneath the synthetic surface as well.
For others, the preferred approach is to use valve-in-head (VIH) rotors. However, typical VIH rotors have an unacceptably high-pressure loss at the high flows and pressures that are inherent in all synthetic turf irrigation systems. As a result, the Hunter ST System utilizes a valve adjacent to head (VAH) configuration. This design lowers the pressure loss down to a very acceptable 3.9 PSI at 75 GPM through the valve assembly.
|STG-900 Nozzle Performance Data|
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