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2-way seated valve type VFU 2

VFU 2, PN 16, DN 20, 6.3 m³/h, Flange

065B2739

VFU2 PN16 20/6,3 2-way flange flow/ret

Product specifications

Characteristic
Value
ApplicationDistrict Heating
Cavitation factor0.60
China RoHS complianceOut of scope
Connection typesFlange
Contains batteriesNo
DescriptionVFU2 PN16 20/6,3 2-way flange flow/ret
DG Indicator ProfileNot relevant for dangerous goods
Diameter [mm]20 mm
Differential pressure range [bar] [Max]16.00 bar
EU RoHS complianceOut of scope
FunctionPressure relief
Kvs values [m³/h]6.30 m³/h
Leakage through port max. [% Kvs]0.03
Material DescriptionVFU2 PN16 20/6,3 2-way flange flow/ret
Media pH [Max]10
Media pH [Min]7
Media temperature [°C] [Max]200 °C
Characteristic
Value
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 groupMotorized control valves
Product lineDistrict Energy Controls
Product TypeVFU 2
REACH Candidate List substancesLead (CAS no. 7439-92-1)
Spindle positionNormally closed
Stroke [mm]6.00 mm
Valve body materialGrey cast iron EN-GJL-250 (GG-25)
Valve cone materialStainless steel, mat. No. 1.4404
Valve seat materialStainless steel, mat. No. 1.4021
Valve sizeDN 20

General specifications

Characteristic
Value
Gross weight9.13 Kilogram
Net weight9.13 Kilogram
Volume26.208 Liter
Characteristic
Value
EAN/UPC5702421810033
Proposition 65Cancer and Reproductive Harm