High Cv Diaphragm Back Pressure Regulating Valve

The JBDL Series is a diaphragm operated, balanced trim, back pressure regulator. The 1.95 Cv (1,69 Kv) offers increased flows across its 1200 psi (83 bar) inlet range, while the DEL-F soft seat provides ANSI Class VI shutoff. Five set spring ranges and three soft seal options offer the customer flexibility in a number of applications and environments. USDA and FDA approved soft goods available upon request.

  • Regulate a variety of gases and liquids in compressor control
  • Process pressure control where high flows and low pressures are required


  • Gas chromatography
  • Flame ionization detectors
  • Industrial controls
Features & Benefits
  • In-line removable plug and trim provides for quick cleaning and maintenance
  • Barstock construction guarantees material integrity and surface finish
  • Balanced trim offers high flows with minimal lockup
  • Optimized internal volume
  • KEL-F soft seat for ANSI Class VI shutoff

Seat Type: KEL-F

Sizes: 1/2″ (DN15)

End Connections: Threaded, socket weld, flanged, others

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

Cv (Kv): 1.95 (1,69)

Spring Range: up to 400 psi (up to 28 bar)


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.


ATEX Certified

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