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L and M Pressure Regulators

For Agriculture Irrigation Systems

Accurate pressure regulation at an economical price.

PSI series regulators hold outlet pressure at a preset level. Regulated outlet pressures are available from 6 to 50 psi / 0,4 to 3,9 bar. As either inlet pressure or flow changes, the outlet pressure remains relatively constant. The charts illustrate the relationship between inlet and outlet pressure at different flows.


  • Preset outlet pressure regulators
  • 3/4 in / 20 mm female inlet and outlet
  • Choice of 8 outlet pressures
  • Diaphragm operated
  • Use in above and below ground applications
  • Manufactured from rugged engineering-grade plastic
  • Stainless steel spring

Models

  • PSI-L
  • PSI-M

Pressure Range

  • 10-150 psi / 0,7-10,3 bar

Flow Range

  • The PSI-L Series are recommended for low flow conditions encountered in low volume irrigation systems.

    • Flow Range - 0.1-5 gpm/ 0,02-1,1m 3 /hr/lps / 0.01-.32

  • The PSI-M Medium Flow Regulators are recommended for most operating conditions. This series is design to withstand surges up to 100 psi / 6,8 bar greater than the rated outlet pressures, where high inlet pressures are combined with high flows.

    • 2-22 gpm/ 0,5-5,0 m 3 /hr/lps/ 0.13-1.4