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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), Maximum
- psi: 0 to 174 (kPa: 0 to 1,200, bar: 0 to 12), Maximum
Electrical Contacts
- Normally Closed
Enclosure, Body Material
- Valve Body: Grey Cast Iron EN-GJL-250 (GG-25)
Flange Size - 1-1/2" (DN40)
- 1-1/2" (DN40) - PN 16
Flange Size - 1-1/4" (DN32)
- 1-1/4" (DN32) - PN 16
Flange Size - 1" (DN25)
- 1" (DN25) - PN 16
Flange Size - 1/2" (DN15)
- 1/2" (DN15) - PN 16
Flange Size - 2-1/2" (DN65)
- 2-1/2" (DN65) - PN 16
Flange Size - 2" (DN50)
- 2" (DN50) - PN 16
Flange Size - 3" (DN80)
- 3" (DN80) - PN 16
Flange Size - 3/4" (DN20)
- 3/4" (DN20) - PN 16
Flange Size - 4" (DN100)
- 4" (DN100) - PN 16
Flange Size - 5" (DN125)
- 5" (DN125) - 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)