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NÜV / HDRV Series

NÜV, DN10 PN50 HDRV DN15 PN450

Check Valves / Non-Return Valves
with Metal-Sealed Casing

  • spring-actuated soft-seated check valve for cryogenic liquids and gases
  • standard pressure ratings PN50, PN300, PN450, PN800
  • standard sizes DN10, DN12, DN15, DN20 (larger versions on demand)
  • metal-sealed stainless casing with brass or stainless casing nut and butt weld ends
  • PTFE or PCTFE valve poppet
  • large size bore, low pressure drop


  • casing preparation for brazing
  • special dimensions / welding ends on demand