Danfoss logo
2-way pressure balanced valve type VB 2

VFM 2, PN 25, DN 50, 40.00 m³/h, Flange

065B3061

VFM 2 PN25 50/40 2-way seated flange

Product specifications

Characteristic
Value
ApplicationDistrict heating and cooling
Application alternative VSPHeating
Cavitation factor0.50
Cavitation factor 100%0.34
Cavitation factor 25%0.58
Cavitation factor 50%0.52
Cavitation factor 75%0.50
China RoHS complianceOut of scope
Connection typesFlange
Contain batteriesNo
Control ratio50:1
DG Indicator ProfileNot relevant for dangerous goods
DescriptionVFM 2 PN25 50/40 2-way seated flange
Diameter [mm]50 mm
Differential pressure range [bar] [Max]16.00 bar
EU RoHS complianceOut of scope
Flow characteristicSplit
FunctionPressure relief
Kvs values [m³/h]40.00 m³/h
Characteristic
Value
Leakage through port max. [% Kvs]0.05
Material DescriptionVFM 2 PN25 50/40 2-way seated flange
Media pH [Max]10
Media pH [Min]7
Media temperature [°C] [Max]150 °C
Media temperature [°C] [Min]2 °C
Medium alternativeGlycolic water up to 50%
Number of ports2
PN alternative VSP16
Permissible mediaDistrict heating/cooling circulation water
Pressure classPN 25
Pressure nominal [bar]25 bar
Product TypeVFM 2
Product groupMotorized control valves
Product lineDistrict Energy Controls
Stroke [mm]10.00 mm
Valve body materialGGG 40.3
Valve cone materialStainless steel
Valve sizeDN 50

General specifications

Characteristic
Value
Gross weight11.62 Kilogram
Net weight10.97 Kilogram
Characteristic
Value
EAN/UPC5710104075945