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2-way seated valve type VFG 2

VFG 2, PN 40, DN 250, 400 m³/h, Flange

065B2423

VFG2 PN40 250/400 2-way flange flow/ret

Product specifications

Characteristic
Value
ApplicationDistrict Heating
Cavitation factor0.20
Cavitation factor 100%0.15
Cavitation factor 25%0.31
Cavitation factor 50%0.25
Cavitation factor 75%0.20
China RoHS complianceOut of scope
Connection typesFlange
Contain batteriesNo
DG Indicator ProfileNot relevant for dangerous goods
DescriptionVFG2 PN40 250/400 2-way flange flow/ret
Diameter [mm]250 mm
Differential pressure range [bar] [Max]10.00 bar
EU RoHS complianceOut of scope
Flow characteristicLinear optimized
FunctionPressure relief
Kvs values [m³/h]400.00 m³/h
Leakage through port max. [% Kvs]0.05
Material DescriptionVFG2 PN40 250/400 2-way flange flow/ret
Media pH [Max]10
Characteristic
Value
Media pH [Min]7
Media temperature [°C] [Max]150 °C
Media temperature [°C] [Min]2 °C
Medium alternativeGlycolic water up to 30%
Mounting versionFree
Number of ports2
PN alternative VSP25
Permissible mediaDistrict heating/cooling circulation water
Pressure classPN 40
Pressure nominal [bar]40 bar
Product TypeVFG 2
Product groupPressure flow controllers
Product lineDistrict Energy Controls
REACH Candidate List substancesLead (CAS no. 7439-92-1)
Spindle positionNormally open
Stroke [mm]24.00 mm
Valve body materialCast steel GP240GH (GS-C 25)
Valve cone materialStainless steel, mat. No. 1.4021
Valve seat materialStainless steel, mat. No. 1.4313
Valve sizeDN 250

General specifications

Characteristic
Value
Gross weight371.6 Kilogram
Net weight371.6 Kilogram
Volume633.6 Liter
Characteristic
Value
EAN/UPC5702421803400
Proposition 65Cancer and Reproductive Harm