Parker Standard High Precision Relief Valves | P3RA102BP Series
![]() |
The P3RA102BP is a high capacity relief valve that relieves excess pressure in a pneumatic system. It provides greater accuracy than standard relief valves over a narrow pressure range and can be used for a wide range of precision applications.FEATURES
SYMBOLS
|
Part Numbers
Part Number* | Description |
Port Size |
Flow |
Height (E) mm (in) |
Width (A) mm (in) |
P3RA10232BP |
0.5 to 30 psig springs, NPT port |
1/4" | 40 (w/ 100 psig supply) |
160.3 (6.31) | 76.2 (3.00) |
P3RA10242BP |
1 to 60 psig springs, NPT port |
1/4" | 40 (w/ 100 psig supply) | 160.3 (6.31) | 76.2 (3.00) |
P3RA10262BP |
2 to 150 psig springs, NPT port |
1/4" | 40 (w/ 100 psig supply) | 160.3 (6.31) | 76.2 (3.00) |
*For BSPP ports, add an "H" to the end of the part number. For non-relieving option, add an "N" to the end of the part number.
Service Kits and Accessories
Part Number | Description |
PS12127-1 | Service kit - 0-200 psig, standard |
PS09921 | Mounting bracket kit |
Technical Specifications
Flow Capacity: | 40 scfm (w/ 100 psig supply) |
Ambient Temperature: | -40°F to 200°F |
Port Size: | 1/4" (NPT, BSPP) |

Precision Regulators
- 27R Precision Regulator
- 27E Precision Piggyback Filter/Regulator
- P3EA632 Precision Piggyback Filter/Regulator
- 51R Relieving Dial Regulator
- 52R Relieving Dial Regulator
- 53R Relieving Dial Regulator
- 54R Relieving Dial Regulator
- P3RA302 Compact High Precision Regulator
- P3RA102 Standard High Precision Regulator
- P3RA102BP High Precision Relief Valve
- P3RA171 High Precision Vacuum Regulator
- P3BA208 Precision Pneumatic Input Signal Amplifier
- P3BA45 Precision Pneumatic Input Signal Amplifier
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