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2-way seated valve type VFQ 2

VFQ 2, PN 16, DN 25, 8.00 m³/h, Flange

065B2656

VFQ2 PN16 25/8 2-way flange flow/return

Product specifications

Characteristic
Value
ApplicationDistrict Heating
Cavitation factor0.60
Cavitation factor 100%0.38
Cavitation factor 25%0.64
Cavitation factor 50%0.57
Cavitation factor 75%0.55
China RoHS complianceOut of scope
Connection typesFlange
DescriptionVFQ2 PN16 25/8 2-way flange flow/return
DG Indicator ProfileNot relevant for dangerous goods
Diameter [mm]25 mm
Differential pressure range [bar] [Max]16.00 bar
EU RoHS complianceOut of scope
Flow characteristicLinear optimized
FunctionPressure relief
In scope of WEEE and contain batteriesNo
Kvs values [m³/h]8.00 m³/h
Leakage through port max. [% Kvs]0.03
Material DescriptionVFQ2 PN16 25/8 2-way flange flow/return
Media pH [Max]10
Characteristic
Value
Media pH [Min]7
Media temperature [°C] [Max]200 °C
Media temperature [°C] [Min]2 °C
Medium alternativeGlycolic water up to 30%
Mounting versionFree
Number of ports2
Permissible mediaDistrict heating/cooling circulation water
Pressure classPN 16
Pressure nominal [bar]16 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]6.00 mm
UK RoHS complianceOut of scope
Valve body materialGrey cast iron EN-GJL-250 (GG-25)
Valve cone materialStainless steel, mat. No. 1.4404
Valve sizeDN 25

General specifications

Characteristic
Value
Gross weight9.94 Kilogram
Net weight9.43 Kilogram
Volume11.791 Liter
Characteristic
Value
EAN5702421809204
Proposition 65Cancer and Reproductive Harm