Parker P31 Mini Filter/Regulator
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FEATURES
SYMBOLS
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Part Numbers
Part Number | Description |
Port Size |
Flow* |
Max. Bar (psig) |
Height mm (in) |
Width mm (in) |
Depth mm (in) |
P31EB92EGMBN5P |
8 bar (125 psig) relieving - poly bowl - manual drain |
1/4" | 15 (32) | 10 (150) | 176.9 (6.96) | 40 (1.58) | 61.3 (2.41) |
P31EB92EGBBN5P |
8 bar (125 psig) relieving - poly bowl - pulse drain |
1/4" | 15 (32) | 10 (150) | 172.0 (6.77) | 40 (1.58) | 61.3 (2.41) |
P31EB92EMMBN5P |
8 bar (125 psig) relieving - metal bowl - manual drain |
1/4" | 15 (32) | 17 (250) | 176.9 (6.96) | 40 (1.58) | 61.3 (2.41) |
P31EB92EMBBN5P | 8 bar (125 psig) relieving - metal bowl - pulse drain | 1/4" | 15 (32) | 17 (250) | 172.0 (6.77) | 40 (1.58) | 61.3 (2.41) |
* 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 Flush Mount Gauge
Part Number | Pressure Range |
K4511SCR04B | 0-4 bar |
K4511SCR11B | 0-11 bar |
K4511SCR060 | 0-60 psig |
K4511SCR160 | 0-160 psig |
Service Kits and Mounting Brackets
Part Number | Description |
P31KB00BGM | Plastic bowl / Bowl guard manual drain |
P31KB00BGB | Plastic bowl / Bowl guard pulse drain |
P31KB00BMB | Metal bowl / w/o sight gauge pulse drain |
P31KA00ESE | 5μ particle filter element |
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) |
P31KA00MW | C-bracket (fits to body) |
P31KA00MT | T-bracket with body connector |
P31KA00CB | Body connector |
Technical Specifications
Flow Capacity*: | 15 dm3/s (32 SCFM) |
Operating Temperature**: |
Plastic bowl: 14°F to 125°F Metal bowl: 14°F to 150°F |
Max. Supply Pressure: |
Plastic bowl: 10 bar (150 psig) Metal bowl: 17 bar (250 psig) |
Standard Filtration: | 5 micron |
Useful Retention: |
0.4 oz |
Adjusting Range Pressure: |
0-2 bar (30 psig) 0-4 bar (60 psig) 0-8 bar (125 psig) 0-16 bar (232 psig) |
Port Size: | 1/4" (BSPP, BSPT, NPT) |
Gauge Port (2 ea.): | 1/8" (BSPP, BSPT, NPT) |
Weight: | 0.42 lbs (0.19 kg) |
* Inlet pressure 10 bar (145 psig). Secondary pressure 6.3 bar (91.3 psig).
** Units with square gauges: 5° to 150°F

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