Piston Operated Pressure Regulating Valve

The 1/4" JRPH Series and JRPL Series are piston operated pressure regulators that offer excellent control at Cv's of 0.20 (0,17 Kv) and lower. There are six set ranges for the JRPH Series and two set ranges for the JRPL Series. Elastomer seals are used throughout with Buna-N, EPDM and Viton being standard options. USDA and FDA approved soft goods available upon request.

  • General, corrosive and specialty gases, water, acids and oils
  • High pressure application


  • Gas chromatography
  • Flame ionization detectors
  • Industrial controls
Features & Benefits
  • All wetted materials are 316L Stainless Steel. Other materials available upon request.
  • Soft PEEK, PTFE or KEL-F seat provides ANSI Class VI shutoff
  • Piston sensing for better regulation at higher pressures
  • ANSI Class VI shutoff
    – JRPH: PEEK or KEL-F
    – Contact factory for additional options

Seat Type: KEL-F, PEEK

Sizes: 1/4″ (DN8)

End Connections: Threaded, Socket Weld, Flanged, others

Body Materials: 316L Stainless Steel, Hastelloy C, Monel, Alloy 20, others

Cv (Kv): 0.012, 0.03, 0.07, 0.2, (0,01; 0,026; 0,06; 0,17)


ATEX Certified

Get A Quote

Related Resources

J Series Product Matrix

A quick reference guide comparing the J Series regulators.

J Series Selection tool

This tool is designed to help you select the correct J Series regulator.

LowFlow Repair Videos

Installation and Maintenance Videos

We have designed a series of short videos to educate users about maintaining and installing our products.

Related Products


Piston Operated Pressure Regulating Valve

Quick Quote

Know what you need and want a quote quickly? We can help! Fill out this form and we will get back to you shortly.