Parker P31 Mini Common P1 Regulators
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FEATURES
SYMBOLS
|
Part Numbers
Part Number | Description |
Port Size |
Flow* |
Max. Bar (psig) |
Height mm (in) |
Width mm (in) |
Depth mm (in) |
P31HB92BNNP |
8 bar (125 psig) relieving |
1/4" | 20 (42) | 20 (300) | 104.1 (4.1) | 40 (1.58) | 40 (1.58) |
* Flow with 10 bar (145 psig) inlet pressure, 6.3 bar (91.3 psig) set pressure and 1 bar (14.5 psig) pressure drop.
Gauges
Square with Adapter Kit
Part Number | Pressure Range |
P6G-PR10040 | 0-4 bar |
P6G-PR10110 | 0-11 bar |
P6G-PR90060 | 0-60 psig |
P6G-PR90160 | 0-160 psig |
1.00" Round 1/8" Center Back Mount
Part Number | Pressure Range |
K4510N18060 | 0-4 bar / 0-60 psig |
K4510N18160 | 0-11 bar / 0-160 psig |
Service Kits and Mounting Brackets
Part Number | Description |
P31KB00RB | Regulator repair kit - relieving |
P31KB00RC | Regulator repair kit - non-relieving |
P31KA00MM | Panel mount nut - aluminum |
P31KA00MP | Panel mount nut - plastic |
P31KB00MR | Angle bracket (attaches via panel nut) |
P31KA00MT | T-bracket with body connector |
P31KA00CB | Body connector |
Technical Specifications
Flow Capacity*: | 20 dm3/s (42 SCFM) |
Operating Temperature: | -4°F to 150°F |
Max. Supply Pressure: | 20 bar (300 psig) |
Adjusting Range Pressure: |
0-2 bar (30 psig) 0-4 bar (60 psig) 0-8 bar (125 psig) 0-16 bar (232 psig) |
P1 Port Size (Inlet / Outlet): | 1/4" (BSPP, BSPT, NPT) |
P2 Regulated Ports (2 ea.): | 1/8" (BSPP, BSPT, NPT) |
Weight: | 0.66 lbs (0.30 kg) |
* Inlet pressure 10 bar (145 psig). Secondary pressure 6.3 bar (91.3 psig).

Global FRL Components
P31 Mini Series
- Mini Particulate Filter
- Mini Coalescing Filter
- Mini Regulator
- Mini Common P1 Regulator
- Mini P31P Proportional Regulator
- Mini Lubricator
- Mini Piggyback Filter/Regulator
- Mini Piggyback Filter/Regulator + Lubricator Combo
- Mini Filter + Regulator + Lubricator Combo
P32 Compact Series
- Compact Particulate Filter
- Compact Coalescing Filter
- Compact Regulator
- Compact Common P1 Regulator
- Compact Semi-Precision Regulator
- Compact P32P Proportional Regulator
- Compact Lubricator
- Compact Piggyback Filter/Regulator
- Compact Semi-Precision Piggyback Filter/Regulator
- Compact Piggyback Filter/Regulator + Lubricator Combo
- Compact Filter + Regulator + Lubricator Combo
P33 Standard Series
- Standard Particulate Filter
- Standard Coalescing Filter
- Standard Regulator
- Standard Lubricator
- Standard Piggyback Filter/Regulator
- Standard Piggyback Filter/Regulator + Lubricator Combo
- Standard Filter + Regulator + Lubricator Combo
P3Y Series
Parker Air Preparation
Global Air Prep- Modular design allows for quick component change - no need to disconnect piping
- Can be used without modular connectors using existing piping
- Wide selection of sizes and options
- Proven design, widely used
- Suitable for most corrosive environments
- Flows to 150 SFFM
- Pressures to 500 PSIG
Electronic Proportional Regulators
- All controls on the same face
- Highly visible LED Display
- Modular Mounting