1/2" (13mm) Full Circle, Brass, Wedge Drive Impact Sprinkler

Used primarily in undertree permanent systems. Excellent frost protection sprinkler giving superior distribution patterns. Exceptionally strong drive due to the patented self-flushing spoon drive arm which allows for low precipitation rates required for tight and problem soils.


  • 1/2" (13mm) male NPT brass inlet bearing
  • Full circle operation
  • Patented, self-flushing wedge drive to operate with smaller nozzles and lower operating pressure
  • Durable brass arm
  • Back by five-year Customer Satisfaction Policy
  • Corrosion and grit resistant
  • For use with Rain Bird SBN-1 Straight Bore Nozzle, sold separately


  • Bearing: 1/2" Male NPT
  • Trajectory Angle: 10 degrees
  • Operating Range: 25-50 psi (1.7-3.5 bar)
  • Flow Rate: 0.56-2.45 gpm (0.13-0.65 m3/h)
  • Radius: 23-32 ft. (7.2-9.6 m)
  • Nozzle Port: 1/8" Female NPT

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