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Barstock Construction, Low Flow, Very Low Pressure Accurate regulation down to 1/2" wc (1,25 mbar) Low pressure blanketing (gas overlay) PRV for small stainless and SUD vessels

Angle style, barstock, pressure reducing valves for regulating low flow, very low pressure clean compressed air and gas point of use applications in stainless steel and single use disposable vessels for the biopharmaceutical, pharmaceutical, food & beverage and consumer health & beauty industries.

  • Small stainless steel bioreactor/fermenter: very low pressure sparge and purge/blanket/motive force gas regulation
  • Small single use disposable bioreactor/fermenter: very low pressure sparge and purge/blanket/motive force or integrity testing gas regulation
  • Small separation: purge/blanket/motive force gas regulation and bag integrity testing for process vessels
  • Small purification: purge/blanket/motive force gas regulation and bag integrity testing for process vessels
  • Small formulation: purge/blanket/motive force gas regulation and bag integrity testing for process vessels
  • F & B consumer H & B process purge/blanket/motive force gas regulation
Features & Benefits
  • Accurate regulation down to 1/2″ wc (1,25 mbar)
  • Accurate regulation at very low flows – down to 0.15 Cv (0,13 Kv)
  • Three flow coefficients to meet any of your flow requirements
  • ASTM A479 316L barstock construction with ASME BPE SF5 finish standard
  • All FDA and USP Class VI materials
  • Optional purge feature
  • ANSI Class VI shutoff
Specifications
  • Size: 1/2″ & 3/4″ (DN15 & DN20)
  • End Connection: ASME BPE, ISO or DIN Tri-Clamp, Flanged or NPT
  • Cv (Kv) 0.15; 0.2; 0.4 (0,13; 0,17; 0,35)
  • Spring Ranges: 4 spring ranges from 0.5″ wc – 1.5 psi (1,24 – 103,4 mbar)
  • Body/Wetted Trim Materials:
  • 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 µin (0,5 µm) electropolish
  • Diaphragm: Ultra-light Teflon FDA/USP Class VI
  • Seat, O-rings & Balanced Diaphragm: EPDM (FDA USP Class VI compliant), Viton (FDA compliant)
  • Max Operating Inlet Pressures: 200 psig (13,8 barg)
  • Max Operating Temperature: 250°F (121°C)
  • Max Downstream Pressure: 20 psig (1,38 barg) (Safety Rating)
Approvals
  • CRN (Canadian Registration Number)
  • PED Sound Engineering Practice (SEP)
  • 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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