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NVD 805 Non-Return Valve
Brand: DanfossSpecifications
- 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" (DN250)
- 10" (DN250) - PN 10
- 10" (DN250) - PN 16
Flange Size - 12" (DN300)
- 12" (DN300) - PN 10
- 12" (DN300) - PN 16
Flange Size - 14" (DN350)
- 14" (DN350) - PN 10
- 14" (DN350) - PN 16
Flange Size - 16" (DN400)
- 16" (DN400) - PN 10
- 16" (DN400) - PN 16
Flange Size - 18" (DN450)
- 18" (DN450) - PN 10
- 18" (DN450) - PN 16
Flange Size - 2-1/2" (DN65)
- 2-1/2" (DN65) - PN 10
- 2-1/2" (DN65) - PN 16
Flange Size - 2" (DN50)
- 2" (DN50) - PN 10
- 2" (DN50) - PN 16
Flange Size - 20" (DN500)
- 20" (DN500) - PN 10
- 20" (DN500) - PN 16
Flange Size - 24" (DN600)
- 24" (DN600) - PN 10
- 24" (DN600) - PN 16
Flange Size - 3" (DN80)
- 3" (DN80) - PN 10
- 3" (DN80) - PN 16
Flange Size - 4" (DN100)
- 4" (DN100) - PN 10
- 4" (DN100) - PN 16
Flange Size - 5" (DN125)
- 5" (DN125) - PN 10
- 5" (DN125) - PN 16
Flange Size - 6" (DN150)
- 6" (DN150) - PN 10
- 6" (DN150) - PN 16
Flange Size - 8" (DN200)
- 8" (DN200) - PN 10
- 8" (DN200) - 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