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Spec Sheet

Rain Bird’s High Flow Inline Pressure Regulator family provides a wide flow range coverage (0.5-70 gpm) while delivering reliable pre-set regulation to protect and maximize the performance of most irrigation installations. Available in 40 and 50 psi versions.


Its high flow range (0.5 gpm to 70 gpm) capacity allows usage in a wide range of applications, making it ideal for drip or spray applications. It can be installed above or below grade.

  • 1-1/2” Pressure Regulators flow range: 15-70 gpm

Reliable Performance:

Pre-set outlet pressure regulation at either 40 psi or 50 psi provides worry-free protection for your irrigation installations.


Tested to meet Rain Bird’s high-quality standards. High Strength ABS construction and stainless steel springs provide the durability to withstand any job.


  • Pressure Regulation: 40 PSI
  • Flow Range: 15 GPM to 70 GPM
  • Inlet/Outlet Size: 1-1/2" Female NPT x 1-1/2" Female NPT
  • Length: 6.3"
  • Width: 3.3"
  • Operating Range: 15 - 150 PSI
  • Operating Water Temperature: 33? to 110?

Available Models:


Flow Range: 0.5 (1.9 l/min) to 70 gpm
(265 l/min) allows usage in a wide range
of applications

– PSI-H40X-100: 0.5 gpm (1.9 l/min) to
35 gpm (132.5 l/min

Regulated Pressure:
– PSI-H40X-100: 40 psi (2.75 bar)

Operating Pressure: 15 psi (1.0 bar)to 150 psi (10.3 bar)
Water Temperature: 33°F up to 110°F(0.5°C to 43°C)
Ambient Temperature: 33°F up to 125°F (0.5°C to 52°C)

– PSI-H40X-100: 5.8" (14.7 cm)
Length x 2.7" (6.8 cm) Width

Size (Inlet/ Outlet):
– PSI-H40X-100:
1" Female NPT x 1" Female NPT

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