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ARO PRSS31-500 3/8" Regulator | Stainless Steel Precision Series | 250 PSIG | 20 SCFM

MSRP: $960.51
(You save $221.66 )
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Product images may not be an exact representation of the actual product. Please check the description below for technical specifications.

Usually Ships Within 2 to 4 Weeks
5.00 LBS
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ARO PRSS31-500 3/8" Precision Regulator

This precision regulator line is designed for service with a wide variety of corrosive gases and environments. Its corrosive resistant materials are compatible with sour gas and for use in offshore environments. Once set to a desired pressure, the ARO 316 stainless steel regulator will permanently maintain their settings through the use of a convoluted diaphragm. This diaphragm provides constant adjustment to downstream pressure drop and downstream pressure increase. Applications includes: petrochemical processing, chemical plants, food processing and packaging and paper/pulp mills. The regulator operates in pressure ranges up to 150 psig (10.3 bar).


  • Excellent repeatability
  • Tapped vent for exhaust gas capture
  • Stainless-steel construction is ideal for corrosive environments and sour gas
  • 5 micron filter elements (For use with PFRSX1-X00 units only)

industrial-tools-parts-breakdown.pngLooking for more information about ARO Filter Regulator Lubricators? Click here to view the ARO FRL Catalog

For help choosing the correct ARO Filter Regulator Lubricator for your application, please call (800) 608-5210 or email [email protected]

Ingersoll Rand ARO warrants this product to be free from defects in materials and workmanship for the period of 24 months

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Port Size (in.):
Pressure Range (PSIG):
0 - 100
Maximum Pressure (PSIG):
Compressed Air
Temperature Range (F):
-20 - 180
Temperature Range (C):
-29 - 82
Flow @ 100 PSIG Supply (SCFM):