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2-way seated valve type VFQ 2

VFQ 2, PN 40, DN 250, 400.00 m³/h, Flange

065B2689

VFQ2 PN40 250/400 2-way flange flow/ret

Product specifications

Characteristic
Value
ApplicationDistrict Heating
Cavitation factor0.20
Cavitation factor 100%0.16
Cavitation factor 25%0.20
Cavitation factor 50%0.31
Cavitation factor 75%0.31
China RoHS complianceOut of scope
Connection typesFlange
DescriptionVFQ2 PN40 250/400 2-way flange flow/ret
DG Indicator ProfileNot relevant for dangerous goods
Diameter [mm]250 mm
Differential pressure range [bar] [Max]10.00 bar
EU RoHS complianceOut of scope
Flow characteristicLinear optimized
FunctionPressure relief
In scope of WEEE and contain batteriesNo
Kvs values [m³/h]400.00 m³/h
Leakage through port max. [% Kvs]0.05
Material DescriptionVFQ2 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
Permissible mediaDistrict heating/cooling circulation water
PN alternative VSP25
Pressure classPN 40
Pressure nominal [bar]40 bar
Product groupPressure flow controllers
Product lineDistrict Energy Controls
Product TypeVFQ 2
REACH Candidate List substancesLead (CAS no. 7439-92-1)
Spindle positionNormally open
Stroke [mm]24.00 mm
UK RoHS complianceOut of scope
Valve body materialGS-C 25
Valve cone materialStainless steel, mat. No. 1.4021
Valve sizeDN 250

General specifications

Characteristic
Value
Gross weight378 Kilogram
Net weight378 Kilogram
Volume482.04 Liter
Characteristic
Value
EAN5702421809532
Proposition 65Cancer and Reproductive Harm