NVD 805 Non-Return Valve

Brand: Danfoss

Specifications
  • Operating position: horizontal and vertical
  • Minimum occupation of space
  • Very low head loss
  • For pumping, water supply, general industry
  • Closing system: double plate with return spring
  • Sealing: metal on elastomere seat
  • Using these check valves on networks equipped with piston pumps or compressors is not recommended

Specifications

Brand

Approvals & Certifications

  • CE
  • PED 97/23/EC

Bearing Material

  • PTFE

Enclosure, Body Material

  • Cast Iron
  • Ductile Iron
  • Epoxy

Flange Size - 10” (DN 250)

  • 10” (DN 250) - PN 10
  • 10” (DN 250) - PN 16

Flange Size - 12” (DN 300)

  • 12” (DN 300) - PN 10
  • 12” (DN 300) - PN 16

Flange Size - 14” (DN 350)

  • 14” (DN 350) - PN 10
  • 14” (DN 350) - PN 16

Flange Size - 16” (DN 400)

  • 16” (DN 400) - PN 10
  • 16” (DN 400) - PN 16

Flange Size - 18” (DN 450)

  • 18” (DN 450) - PN 10
  • 18” (DN 450) - PN 16

Flange Size - 2-1/2” (DN 65)

  • 2-1/2” (DN 65) - PN 10
  • 2-1/2” (DN 65) - PN 16

Flange Size - 2” (DN 50)

  • 2” (DN 50) - PN 10
  • 2” (DN 50) - PN 16

Flange Size - 20” (DN 500)

  • 20” (DN 500) - PN 10
  • 20” (DN 500) - PN 16

Flange Size - 24” (DN 600)

  • 24” (DN 600) - PN 10
  • 24” (DN 600) - PN 16

Flange Size - 3” (DN 80)

  • 3” (DN 80) - PN 10
  • 3” (DN 80) - PN 16

Flange Size - 4” (DN 100)

  • 4” (DN 100) - PN 10
  • 4” (DN 100) - PN 16

Flange Size - 5” (DN 125)

  • 5” (DN 125) - PN 10
  • 5” (DN 125) - PN 16

Flange Size - 6” (DN 150)

  • 6” (DN 150) - PN 10
  • 6” (DN 150) - PN 16

Flange Size - 8” (DN 200)

  • 8” (DN 200) - PN 10
  • 8” (DN 200) - PN 16

Flow Rate

  • 39.4 to 11,269 m³/hour (Kvs)

Materials of Construction

  • 304 Stainless Steel - Steam
  • 316 Stainless Steel - Steam
  • Aluminum Bronze - Plates

Media

  • Glycol Solution - Drinking Water or Chilled Glycolic Water up to 50 %
  • Water - Circulation Water

Nut & Bolt Material

  • Steel XC15 - Eye Bolt

Plug Material

  • Brass

Process Temperature

  • 10° to 100° C (50° to 212° F)

Seat / Seal Material

  • Seal: EPDM
  • Seal: NBR (Nitrile)

Spring Material

  • 316 Stainless Steel

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