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2-way seated valve type VFQ 2

VFQ 2, PN 40, DN 25, 8 m³/h, Flange

065B2679

VFQ2 PN40 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
Contains batteriesNo
DescriptionVFQ2 PN40 25/8 2-way flange flow/return
DG Indicator ProfileNot relevant for dangerous goods
Diameter [mm]25 mm
Differential pressure range [bar] [Max]20.00 bar
EU RoHS complianceOut of scope
Flow characteristicLinear optimized
FunctionPressure relief
Kvs values [m³/h]8.00 m³/h
Leakage through port max. [% Kvs]0.03
Material DescriptionVFQ2 PN40 25/8 2-way flange flow/return
Characteristic
Value
Media pH [Max]10
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 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]6.00 mm
Valve body materialGS-C 25
Valve cone materialStainless steel, mat. No. 1.4404
Valve sizeDN 25

General specifications

Characteristic
Value
Gross weight11.12 Kilogram
Net weight10.504 Kilogram
Volume11.813 Liter
Characteristic
Value
EAN/UPC5702421809433
Proposition 65Cancer and Reproductive Harm