Manual or Air Augmented, Low to Medium Flow, Jorlon Diaphragm

Inline style, manual or air loaded, pressure reducing valves for low to medium flow clean compressed air and gas point of use applications in the biopharmaceutical, pharmaceutical, food & beverage and consumer health & beauty industries.

  • Bioreactor/fermenter: sparge gas, purge/blanket/motive force gas for gas regulation
  • Separation: purge/blanket/motive force gas for process vessels
  • Purification: purge/blanket/motive force gas for process vessels
  • Formulation: purge/blanket/motive force gas for process vessels
  • Lyophilization: purge gas regulation
  • Clean utility: CCG (clean compressed gas) pressure control for post SIP drying of small vessels, tubing, filters, etc.
  • F & B consumer H & B process purge/blanket/motive force gas regulation
Features & Benefits
  • Proprietary Jorlon diaphragm provides exceptionally long life and FDA and USP Class VI compliance
  • Low lock-up with EPDM seat
  • In-line removable seat and trim facilitate cleaning and maintenance
  • No exposed threaded connections below diaphragm
  • Barstock construction guarantees material integrity and surface finish

Note: These valves may be used on non-cavitating liquid or clean steam applications.  However, they are not drainable.  Steriflow Engineering must review application before acceptance.

  • Size: 1/2″ & 3/4″ (DN15 & DN20)
  • End Connections: ASME BPE, DIN and ISO Tri-Clamp, Weld-stud or NPT ends (VCR connections optional – contact factory)
  • Cv (Kv): 0.8 (0,7); 0.5 (0,43)
  • Max. Inlet Pressure: 150 psig (10,5 bar)
  • Setpoint Range: 5 – 125 psi (0,03 – 8,6 bar)
  • 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; Non-EP is optional, as are other finishes
  • Diaphragm Material: Jorlon FDA/USP Class VI
  • Soft Seat Option: PTFE, PEEK, EPDM (all materials to FDA USP Class VI)

Jorlon Facts and Warranty

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

J Series Comparison Chart

Understanding the differences among the J Series gas regulators

  • CRN (Canadian Registration Number)
  • SEP Declaration (Sound Engineering Practice)
  • ATEX Certified
  • 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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