70CH / 70CHM

1" (25 mm) Full Circle, Brass Impact Sprinkler

The 70CH is designed for general field use and for use on mechanically moved systems, especially center pivot machines. Primarily uses on Field Crops, Row Crops, Vegetables, Nurseries, Permanent Systems, Solid Systems, Portable Systems and Wheel Lines.


  • 70CH 1" Female NPT Bearing
  • 70CHM has 1” Male bearing Integral Straightening Vanes
  • Full circle operation
  • Stainless steel springs and fulcrum pin
  • Chemically resistant washers
  • Dual nozzle ports
  • Back by five-year Customer Satisfaction Policy
  • Integral straightening vanes increase distance of throw
  • For use with Rain Bird SBN-4 Straight Bore Nozzle; Spreader nozzle port uses Rain Bird LAN-1-20 and SPB-1 bushing, or brass plug; all nozzles sold separately


  • Bearing: 1" Female NPT, Brass (70CH)
  • Bearing: 1" Male NPT, Brass (70CHM)
  • Trajectory Angle: 21 degrees
  • Operating Range: 40-80 psi (2.8-5.5 bar)
  • Flow Rate: 8.8-45.8 gpm (2.0-10.4 m3/h)
  • Radius: 57-82 ft. (17.39-25.01 meters)
  • Nozzle Port: 3/8” Female NPT
  • Spreader Nozzle Port: 3/8" Female NPT (Requires Spreader Bushing to accept LAN-20 Nozzles)

Model Comparison

  • 70CH - Female bearing body, sprinkler without nozzle, without plug and bushing
  • 70CHM - Male bearing body, sprinkler without nozzle, without plug and bushing

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