Impact Sprinklers

Sprinkler-Impact-part-S1075P

Ultra Brass™ Gold Series Impact Sprinklers

For reliable, trouble-free, high-performance year after year, you just can’t beat our brass impact sprinklers. Available in full circle and full/part circle, in inlet sizes of 3⁄4”, 1” and 1-1⁄4”.

Underhill offers a wide selection of high quality impact sprinklers to top your RollerPro™ portable sprinkler base.

Featuring solid brass bodies with stainless steel drive springs and chemical resistant bearing seals, they provide the best combination of durability and value available.

Features

Sprinkler-Impact-part-S1075P

¾” MPT Part/Full Circle

Sprinkler-Impact-part-S1100P

1” MPT Part/Full Circle

Sprinkler-Impact-part-S1100P

1¼” MPT Part/Full Circle

  • Solid brass construction
  • Stainless steel drive spring
  • Bearing assembly hood for longer wear life
  • Chemical resistant bearing seals
  • Solid brass nozzle

Ordering

  Performance Data
Part #
Description GPMRadius (ft)Operating Pressure

3/4" Models

SI075F

3/4" MPT Full Circle

Range Nozzle 5/32"

13 57 80 Psi
SI075P

¾” MPT Part/Full Circle

Range Nozzle 3/16", Close-in Nozzle 1/8"

11 48 80 Psi

1" Models

SI100F

1” MPT Full Circle 

Range Nozzle 3/16"

23 71 80 Psi
SI100P

1” MPT Part/Full Circle

Range Nozzle 1/4", Close-in Nozzle 7/32"

23 71 80 Psi

1-1/4" Models

SI125F

1¼” MPT Full Circle

Range Nozzle 1", Close-in Nozzle 1/8"

51 96 80 Psi
SI125P

1¼” MPT Part/Full Circle

Range Nozze 1", Close-in Nozzle 1/8"

54 78 80 Psi
Note: Higher and lower operating pressures will result in different radius and GPM valves based on the nozzle set being applied.  See nozzle performance chart in the "Resources" tab.
 
Accessories
Part # Description 
CS80-075 3/4" Sch 80 Coupling for 3/4" Impacts; FIPT x FIPT
CS80-100 1" Sch 80 Coupling for 1" Impacts; FIPT x FIPT

Resources

 
Sales Support
Nozzle Accessory & Performance Chart 

Image Library

Sprinkler-Impact-full-S1075F.jpg Sprinkler-Impact-full-S1100F.jpg Sprinkler-Impact-full-S1125F.jpg

Sprinkler-Impact-part-S1075P.jpg Sprinkler-Impact-part-S1100P.jpg Sprinkler-Impact-part-S1125P.jpg

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