NVD 462 Non-Return Valve

Brand: Danfoss

Specifications
  • Operates in any position
  • Silent, reliable sealing, compact
  • Exceptional robustness
  • Notch provided for cable to submerged pumps up to DN 100
  • Closing system: long back axial guiding
  • Sealing guaranteed by O-ring
  • Return spring
  • Body with integrated one-arm guide

Specifications

Brand

Approvals & Certifications

  • CE
  • PED 97/23/EC

Enclosure, Body Material

  • Cast Iron (ASTM A4835B) - Casing

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 - 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

Flow Rate

  • 69 to 1,031 Kvs (m³/hour)

Materials of Construction

  • Brass - Closing System
  • Bronze - Steam

Media

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

O-Ring Material

  • EPDM

Process Temperature

  • 10° to 100° C (50° to 212° F)

Ring Material

  • Bronze

Spring Material

  • 420 Stainless Steel

show more