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2-way seated valve type VFG 2

VFG 21, PN 16, DN 80, 80.00 m³/h, Flange

065B2509

VFG21 PN16 80/80 2-way flange flow/ret

Product specifications

Characteristic
Value
ApplicationDistrict Heating
Cavitation factor0.45
Cavitation factor 100%0.36
Cavitation factor 25%0.65
Cavitation factor 50%0.51
Cavitation factor 75%0.45
China RoHS complianceOut of scope
Connection typesFlange
DescriptionVFG21 PN16 80/80 2-way flange flow/ret
DG Indicator ProfileNot relevant for dangerous goods
Diameter [mm]80 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]80.00 m³/h
Leakage through port max. [% Kvs]0.01
Material DescriptionVFG21 PN16 80/80 2-way flange flow/ret
Media pH [Max]10
Media pH [Min]7
Characteristic
Value
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
Pressure classPN 16
Pressure nominal [bar]16 bar
Product groupPressure flow controllers
Product lineDistrict Energy Controls
Product TypeVFG 21
REACH Candidate List substancesNo
Sealing materialEPDM
Spindle positionNormally open
Stroke [mm]18.00 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 seat materialStainless steel, mat. No. 1.4021
Valve sizeDN 80

General specifications

Characteristic
Value
Gross weight37.58 Kilogram
Net weight37.58 Kilogram
Volume91.2 Liter
Characteristic
Value
EAN5702421804261
Proposition 65No Reproductive Toxins or Carcinogens