Parker Standard High Precision Relief Valves | P3RA102BP Series


 p34a102-standard-high-precision-regulator		 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

  • 1/4" ports (NPT, BSPP)
  • Control sensitivity of .125" water column variation for use in precision applications
  • Separate control chamber and aspirator tube isolates diaphragm from the main flow
  • Unit construction allows you to service relief valve without removing it from the line

SYMBOLS

relief-valve-symbol

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Part Numbers



Part Number*  Description

Port Size

Flow
(scfm)

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.


p34a102bp-high-precision-relief-valve-dimensions

 

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)

Warning Triangle WARNING: These products can expose you to chemicals including lead and/or DEHP and/or carbon black, which are known to the State of California to cause cancer or birth defects or other reproductive harm.  For more information go to www.P65Warnings.ca.gov