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VFS 2 2-Way Valve
Brand: DanfossVFS 2 valves are a range of 2 port flanged valves for chilled water, LPHW, MPHW, HPHW (low, medium or high pressure hot water) and steam applications.
The valve is designed to be combined with following actuators:
- DN 15-50: AMV(E) 25 (SU/SD), AMV(E) 35, AMV(E) 56 (with clutch 065Z7551)
- DN 65-100: AMV(E) 55, AMV(E) 56, AMV(E) 85, AMV(E) 86, AMV (E) 65x
- Logarithmic characteristic
- Control range 30:1 / 50:1 / 100:1
- Suitable for steam applications
Specifications
Brand
Approvals & Certifications
- IEC 534
- PED 97/23/EEC
Cone Material
- Stainless Steel
Control Functions Characteristics
- Log
Cover Material
- Ductile Iron EN-GJS-400-18-LT (GGG 40.3), EN-GJS-400-15 (GGG 40)
Enclosure, Body Material
- Ductile Iron EN-GJS-400-18-LT (GGG 40.3), EN-GJS-400-15 (GGG 40)
Flange Size - 1-1/2" (DN40)
- 1-1/2" (DN40) - PN 25
Flange Size - 1-1/4" (DN32)
- 1-1/4" (DN32) - PN 25
Flange Size - 1" (DN25)
- 1" (DN25) - PN 25
Flange Size - 1/2" (DN15)
- 1/2" (DN15) - PN 25
Flange Size - 2-1/2" (DN65)
- 2-1/2" (DN65) - PN 25
Flange Size - 2" (DN50)
- 2" (DN50) - PN 25
Flange Size - 3" (DN80)
- 3" (DN80) - PN 25
Flange Size - 3/4" (DN20)
- 3/4" (DN20) - PN 25
Flange Size - 4" (DN100)
- 4" (DN100) - PN 25
Flow Rate
- 0.4 to 145 m³/hour
Measuring Range
- pH: 7 to 10
Media
- Circulation Water
- Glycolic Water up to 50%
- Steam, Maximum
Nominal Pressure
- psi: 362.6 (kPa: 2,500, bar: 25)
Process Temperature
- -10° to 200° C (15° to 392° F)
Ratio
- Minimum 100:1 - Control Range for 6.3 to 145 Kvs (m³/hour)
- Minimum 30:1 - Control Range for 0.4 & 0.63 Kvs (m³/hour)
- Minimum 50:1 - Control Range for 1 to 4 Kvs (m³/hour)
Ring Material
- PTFE
Seat / Seal Material
- Seat: Stainless Steel
Spindle Material
- Stainless Steel