Very High Pressure / Low Flow Pressure Regulator

The JRH Series of high pressure regulators has the ability to handle high pressures as well as low flows. USDA and FDA approved soft goods available upon request.

  • Research and sampling systems
  • General, corrosive and specialty gas and liquid service


  • Gas chromatography
  • Flame ionization detectors
  • Industrial controls
Features & Benefits
  • Top entry design facilitates in-line cleaning and maintenance
  • Barstock construction guarantees material integrity and surface finish
  • High flow rate coupled with high rangeability reduces need for reduced trim sizes
  • Optimized internal volume
  • Jorlon diaphragm material provides exceptionally long life
  • KEL-F soft seat material for ANSI Class VI shutoff

Seat Type: KEL-F / Viton

Sizes: 3/8″ & 1/2″ (DN10 & DN15)

End Connections: Threaded, Socket Weld, Flanged, others

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

Cv (Kv): 0.8 (0,69)

Spring Range: 2-10 psi (0,14-0,69 bar) to 75-450 psi (5,2-31 bar)


Jorlon Facts and Warranty

The majority of LowFlow regulators come with the Jorlon diaphragm and a lifetime diaphragm warranty.

J Series Product Matrix

A quick reference guide comparing the J Series regulators.

LowFlow Valve Express Shipments

Our LowFlow Valve Express Program offers you options to get the products you need, when you need them. Many of our products are available for next business day shipment. Look for LowFlow Valve Express in the product descriptions.


ATEX Certified

LowFlow Express

The JRH Series is available for next business day shipment. Limit 2 pieces per order. Available in the following configurations:

  • 316L, NPT, A port, Cv 0.012, 0.08, 0.2 PTFE or PEEK seat, all ranges

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Related Products

JRHF Series

High Flow Pressure Regulating Valves

JRHL Series

Low Set Pressure / Very Low Flow Pressure Regulating Valves

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