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

Used primarily in undertree permanent systems. Designed to optimize range while limiting trajectory height. This keeps moisture out of foliage while providing full coverage.

Excellent frost protection sprinkler giving superior distribution patterns. Exceptionally strong drive due to the patented self-flushing wedge drive arm.


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


  • Bearing: 1/2" Male NPT, Plastic
  • Trajectory Angle: 15 degrees
  • Operating Range: 25-50 psi (1.7-3.5 bar)
  • Flow Rate: 0.56-2.45 gpm (0.13-0.56 m3/h)
  • Radius: 25-35 ft. (7.8-10.8 m)
  • Nozzle Port: 1/8" Female NPT

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