VFU 2 2-Way Valve

Brand: Danfoss

2-way valve used for heating, district heating and district cooling systems. 

The valves can be used with following actuators:
  • Thermostats AFT
  • Actuators AMV(E) 655, 658, 659 (from Q4 2014)

Specifications

Brand

Cone Material

  • 316L Stainless Steel, 1.4401

Connection Style

  • Flange According to EN 1092-1, EN 1092-2

Differential Pressure

  • psi: 0 to 145 (kPa: 0 to 1,000, bar: 0 to 10) - Max.
  • psi: 0 to 174 (kPa: 0 to 1,200, bar: 0 to 12) - Max.

Electrical Contacts

  • Normally Closed

Enclosure, Body Material

  • Valve Body: Grey Cast Iron EN-GJL-250 (GG-25)

Flange Size - 1-1/2” (DN 40)

  • 1-1/2” (DN 40) - PN 16

Flange Size - 1-1/4” (DN 32)

  • 1-1/4” (DN 32) - PN 16

Flange Size - 1” (DN 25)

  • 1” (DN 25) - PN 16

Flange Size - 1/2” (DN 15)

  • 1/2” (DN 15) - PN 16

Flange Size - 2-1/2” (DN 65)

  • 2-1/2” (DN 65) - PN 16

Flange Size - 2” (DN 50)

  • 2” (DN 50) - PN 16

Flange Size - 3” (DN 80)

  • 3” (DN 80) - PN 16

Flange Size - 3/4” (DN 20)

  • 3/4” (DN 20) - PN 16

Flange Size - 4” (DN 100)

  • 4” (DN 100) - PN 16

Flange Size - 5” (DN 125)

  • 5” (DN 125) - PN 16

Flow Rate

  • 4 to 160 m³/hour (Kvs)

Materials of Construction

  • Pressure Balance: 316Ti Stainless Steel Bellow (1.4571)

Media

  • Circulation Water
  • Glycolic Water up to 30 %

Nominal Pressure

  • psi: 232.1 (kPa: 1,600, bar: 16)

Seat / Seal Material

  • 420 Stainless Steel
  • Conical Seal: 316L Stainless Steel, 1.4401

Temperature Range

  • 2° to 150° C (35.6° to 302° F)

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