Danfoss Wafer Type Butterfly Valve, VFY-WH
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VFY-WH Butterfly Valve with Hand Lever

Brand: Danfoss
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Specifications
  • Spline driven one piece shaft connected to spherically machined disc allows high torque transmission i.e. quick response and minimum back-lash
  • Long term reliability due to upper and lower anti-friction bearings
  • Safe maintenance: Shaft blow out protection with circlip
  • Padlockable hand lever with 10 positions

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Specifications

Brand

Approvals & Certifications

  • CE
  • EAC
  • PED 97/23/CE, EN 12266-1, Rate A

Bushing Material

  • Zinc Coated Steel + PTFE - Upper & Lower Guide Bush

Cap Material

  • Cast Iron (EN GJS-400-15 / EN GJL-250)

Connection Style

  • Wafer (Centering Lugs)

Disc Material

  • Ductile Iron EN GJS 400-15 (DIN GGG-40) with Polyamide Coating
  • Stainless Steel

Enclosure, Body Material

  • Cast Iron EN GJL 250 (DIN GG-25)

Flow Rate

  • 40 to 5,635 m³/hour (Kvs)

Materials of Construction

  • Cast Iron (EN GJS-400-15) - Hand Lever
  • EPDM - Liner
  • Stainless Steel - Circlip
  • Steel XC 75 - Circlip

Media

  • Circulation Water
  • Drinking Water
  • Glycolic Water up to 50 %

Mounting

  • Flange Mount

Nominal Pressure

  • psi: 145 (kPa: 1,000, bar: 10) - for DN 25
  • psi: 232.1 (kPa: 1,600, bar: 16) - for DN 32 to 300

O-Ring Material

  • Nitrile
  • Viton

Process Temperature

  • -10° to 120° C (14° to 248° F) - for PA Disc
  • -10° to 130° C (14° to 266° F) - for Stainless Steel Disc

Rotation

  • Rotation Angle: 90°

Shaft Material

  • 420 Stainless Steel

Documentation

Data Sheets

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