Hybrid or Automated, Low to High Flow, Jorlon Diaphragm

Fully automated or hybrid back (inlet) pressure reducing valve for purified water, clean utilities and media in the biopharmaceutical, pharmaceutical, food & beverage and consumer health & beauty industries.

  • WFI distribution loop: return loop pressure maintenance upstream of spray ball
  • Media/buffer prep., upstream process:
    - input back pressure control for mixing buffer, media
    - pressure maintenance and relief to sterile containment
  • Separation input and output control: for menu driven chromatography, TFF, or depth filtration differential pressure control
  • Pump head pressure maintenance or pressure bypass
  • Agitator or pump seal water pressure maintenance
  • F & B consumer H & B process: inputs, outputs, purified water and clean utilities


Features & Benefits
  • Available with extended range I-P transducer or a SST gas regulator
  • Allows fully automated operation of set points from PLC/DCS menu when used with I/P
  • Change set point to 0 from PLC/DCS menu during Rinse/CIP/Rinse Cycle
  • Automated operation drastically reduces offset compared with spring loaded regulators
  • Lifetime warranty on Jorlon diaphragm
  • 100% 316L barstock body and trim
  • No guiding surfaces in the fluid-minimizes particulate generation
  • Size: 1/2″, 3/4″, 1″, 1-1/2″, 2″, 3″ (DN15, DN20, DN25, DN40, DN50, DN80)
  • End Connections: ASME, Tri-Clamp, ASME Tube Weld Ends, DIN/ISO Tri-Clamp Connections, DIN/ISO Tube Weld Ends
  • Cv & Flow Characteristic: 0.5 – 28 Cv (0,4 – 24,2 Kv)
  • Max. Pressure/Temperature: Dependent upon construction
  • Setpoint Range: 3 psi (0,2 bar) to 90 psi (6,2 bar) dependent on size and construction
  • Wetted Material: ASME SA479 316L (UNS 31603) is standard. EN 10272:2000 GR 1.4435, AL-6XN®, Hastelloy C-22 and others are optional
  • Surface Finish: ASME BPE SF5, 20Ra (0,5µm) electropolish is standard, 8Ra (0,2µm) optional
  • Stem Seal – Diaphragm: Jorlon USP Class VI
  • Soft Seat Option: All materials FDA, USP Class VI; Teflon, PEEK, Jorlon

Jorlon Facts and Warranty

The majority of Steriflow valves come with the Jorlon diaphragm and, of course, a lifetime diaphragm warranty.

Jorlon Diaphragm InfoGraphic

Save money, extend preventive maintenance diaphragm change-out times, and realize the benefits of a valve that outlasts most normal systems.

  • CRN (Canadian Registration Number)
  • PED Category 1 (Pressure Equipment Directive)
  • SEP Declaration (Sound Engineering Practice)
  • All products use FDA and USP Class VI approved soft goods and seals where possible. Consult each product data for details

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