PSR

SERIES

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
DocumentsLinksDownloads
Installation GuideFile Request Form
Sales BrochureSubmit Form to Download PSR .STEP File

PSR Technical Specifications
MAX Inlet PressureP2 Pressure RangeOperating TempsFiltration
300 PSI (20.7 Bar)0-200 PSI (13.8 Bar)0-175°F (-18-79°C)40 Micron
Port SizeRelief Flow Capacity
1/4″ thru 1-1/2″19 SCFM Max (538 LPM)
Available Options
NR | Non-RelievingO2 | 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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