PSR

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PSR Pilot Operated Regulators | General Purpose

PSR pilot operated regulators are dome-loaded, self-venting volume boosters that function as a slave regulator when mated with our QB-Series electronic pressure regulators. The PSR provides a controlled pressure with much higher flow rates than can be achieved through the QB products alone. PSR pilot operated regulators can handle any inert gas or they can be adapted for use with natural gas, propane or oxygen.

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PSR Downloads & Links
Documents Links Downloads
Installation Guide File Request Form
Sales Brochure Submit Form to Download PSR .STEP File

    PSR Downloads & Links
    Documents Downloads
    Installation Guide Submit Form to Download PSR .STEP File
    Sales Brochure

      PSR Technical Specifications
      MAX Inlet Pressure P2 Pressure Range Operating Temps Filtration
      300 PSI (20.7 Bar) 0-200 PSI (13.8 Bar) 0-175°F (-18-79°C) 40 Micron
      Port Size Relief Flow Capacity
      1/4″ thru 1-1/2″ 19 SCFM Max (538 LPM)
      Available Options
      NR | Non-Relieving O2 | Oxygen Cleaned* EV | Viton Elastomers*
      *(Size 2, 3, & 4 only)
      PSR Technical Specifications
      MAX Inlet Pressure P2 Pressure Range Operating Temps Filtration
      300 PSI (20.7 Bar) 0-200 PSI (13.8 Bar) 0-175°F (-18-79°C) 40 Micron
      Port Size Relief Flow Capacity
      1/4″ thru 1-1/2″ 19 SCFM Max (538 LPM)
      Available Options
      NR | Non-Relieving O2 | Oxygen Cleaned* EV | Viton Elastomers*
      *(Size 2, 3, & 4 only)

      7 Port Sizes and Flow Rates | PSR-Series Pressure Regulators & Volume Boosters

      Max Flows | P1 = 125 PSI, P2 = 80 PSI

      psr-pilot-operated-regulators

      PSR2 | 1/4″


      Max Flow, 80 SCFM

      PSR2PN (NPT), PSR2PP (BSPP)

      PSR Pilot Operated Regulators

      PSR3 | 3/8″


      Max Flow, 100 SCFM

      PSR3PN (NPT), PSR3PP (BSPP)

      PSR Pilot Operated Regulators

      PSR4 | 1/2″


      Max Flow, 150 SCFM

      PSR4PN (NPT), PSR4PP (BSPP)

      PSR Pilot Operated Regulators

      PSR6 | 3/4″


      Max Flow, 400 SCFM

      PSR6PN (NPT), PSR6PP (BSPP)

      psr-pilot-operated-regulators

      PSR8 | 1″


      Max Flow, 500 SCFM

      PSR8PN (NPT), PSR8PP (BSPP)

      PSR Pilot Operated Regulators

      PSRA | 1-1/4″


      Max Flow, 650 SCFM

      PSRAPN (NPT), PSRAPP (BSPP)

      PSR Pilot Operated Regulators

      PSRB | 1-1/2″


      Max Flow, 750 SCFM

      PSRBPN (NPT), PSRBPP (BSPP)

      General Duty, Low Cost

      PSR pilot operated regulators handle most industrial shop air applications. The PSR is a low cost air volume booster that converts an air pilot signal pressure into a high flow output pressure. This is a self-relieving regulator, so pressure can be controlled forward and reverse. The PSR pneumatic regulator is one of Proportion-Air’s most widely used pilot operated regulators and is a great match with the QB series of electronic pilot regulators.

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