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Parker P31RB12BNNP 1/4" Pressure Regulators P31 Mini


Parker P31RB12BNNP 1/4" Pressure Regulators P31 Mini





Parker's P31R is a mini pressure regulator with balanced poppet design for low space restricted applications, offering quick response and accurate pressure regulation. For low flow and space restricted applications this product can provide a solution that does not sacrifice performance. The P31R can also be mounted using a modular connector to other P31 global air preparation product. The various options available such as pressure gauge, relieving & non-relieving, pressure range. preset pressures and tamperproof options make this series easy to design to your application.

Technical Specifications

Regulator Type: Relieving

Pressure Gauge: Not Included

Flow Rate: 0 - 44 / Low dm3/sec, 0 - 99 / Low SCFM, 68 SCFM, 32 dm3/sec

Port Size: 1/4"

Gauge Port Size: 1/8"

Product Type: Mini Regulator, Pneumatic Regulator - Manual Adjustable

Pressure Control Range: 0 to 125 psig, 0 to 8 bar, 0 - 125 psig, 0 - 8 bar

Max Inlet Pressure: 0 to 300 psig, 0 to 20 bar

Operating Temperature: -4° to +150° °F, -20° to +65.5° °C

Body Material: Aluminum

Seal Material: Nitrile

Weight: 0.37 lbs.


This regulator is found in CWI Railroad System Specialists' Secondary Sand System Controls Panels Stations.