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Cast, Medium to High Flow, Very Low Pressure

Inline style, cast back pressure regulating valves for medium - high flow, very low vent pressure gas regulation in stainless steel and single use disposable vessels for the Biopharmaceutical, Pharmaceutical, Food & Beverage and Consumer Health & Beauty industries.

  • For regulated venting of medium to large stainless steel or single use disposable bioreactor/fermenter, sparge gas, purge/blanket/motive force gas
  • Separation: for regulated venting of purge/blanket/motive force
  • Purification: for regulated venting of purge/blanket/motive force gas
  • Formulation: for regulated venting of purge/blanket/motive force gas
  • For regulated venting of F & B Consumer, H & B process purge/blanket/motive force gas
Features & Benefits
  • 360° body orientation on 3/4″ and 1″ sizes
  • Robust design – emergency outlet pressure may reach 100% of inlet pressure without damaging valve
  • Electropolishing standard
  • Easy maintenance – seat and plug can be inspected without removing body from the line
  • FDA-approved seals and diaphragms
  • Tight shutoff – soft elastomer plug provides ANSI Class VI shutoff
  • Completely self-operated – no external power source required
Specifications
  • Sizes: 3/4″, 1″, 1-1/2″, 2″ (DN20, DN25, DN40, DN50)
  • End Connections:
    – Tri-clamp – ASME BPE or ISO/DIN
    – Flanged – 150#, 300#, PN25/40
  • Max Pressure/Temperature: Size dependent
  • Set Point Range: 2.0 inch w.c. to 5 psi (5 mbar to 345 mbar)
  • Diaphragm: Size dependent
  • Wetted Material & Surface Finish: ASTM A351 CF8M (316SS) or CF3M (316L SS) internal and external cast body components are 130 Ra µin (3,30 Ra µm) minimum after electropolishing
  • Body & Housing: SA 351 Gr. CF8M 316SS or CF3M 316L
  • Seat & Plug: ASTM A479 316L (plug with FDA approved Viton)
  • Shutoff: ANSI VI
Approvals
  • CRN (Canadian Registration Number)
  • PED Category 1 (Pressure Equipment Directive)
  • SEP Declaration (Sound Engineering Practice)
  • ATEX (Group II, Category 2 of Directive 2014/34/EU)
  • All products use FDA and USP Class VI approved soft goods and seals

Email List

  • Email the list of products to yourself, a colleague or to saleshelp@richardsind.com.

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