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Irrigation 4-Inch Pop-Up Rotary Sprinkler (Gear-Drive Rotor)
Rotor with "gear-drive" mechanism, similar to "rain bird" original model "5004", including a "plastic blue nozzle tree (12pcs. Different-pattern nozzles) ", offering the convenience of reversing "full-circle" & "arc-adjustable up to 360 degrees" operation in one unit >==================================================================1. Primary applications:It`s a rugged mid-range gear-drive rotor ("rotary sprinkler") for irrigation, that can be used in parks, schoolyards, factories, small lawns etc..2. Major features:1) using a pressure-activated multifunctional seal-ring to effectively prevent debris from clogging the sprinkler inside;2) a rubber cover on its top can protect it effectively from damage by vandalism;3) dirt on the extractable column will be removed quickly by automatic flush to ensure the sprinkler`s reliable operation suitable for various working conditions;4) all the inside parts can be screwed off and taken out from the sprinkler`s top for convenient maintenance & easy clean;5) with internal "seal-a-matic (SAM) " check-valve holds back "8 feet (2. 4 meters) " of elevation change to prevent erosion & puddle caused by low head drainage;6) the spray radius can be shortened by 25% of its nominal rating with the adjustment screw, also having the convenience of arc-adjustment from the sprinkler`s top.3. Technical parameters:1) working pressure: 0. 17 ~ 0. 45 mpa. ;2) bottom connection: 3 / 4" female pipe threads ("npt") ;3) flow rate: 0. 11 ~ 1. 9 cubic-meter / hour;4) closed case`s outside dimension: 165 mm. High;5) extractable column`s pop-up height: 100 mm. ;6) spray radius: 7. 0 ~ 15. 2 meters.
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