Danfoss logo
VFG22(1)_DN65_065B5500_065B55210_l

VFG 22, PN 25, DN 80, 80 m³/h, Flange

065B5508

Pressure operated valves

Product specifications

Characteristic
Value
ApplicationDistrict heating and cooling
Cavitation factor0.35
Cavitation factor 100%0.28
Cavitation factor 25%0.51
Cavitation factor 50%0.40
Cavitation factor 75%0.35
China RoHS complianceOut of scope
Connection sizeDN 80
Connection typesFlange
Contain batteriesNo
DG Indicator ProfileNot relevant for dangerous goods
DescriptionPressure operated valves
Diameter [mm]80 mm
Differential pressure range [bar] [Max]20.00 bar
EU RoHS complianceOut of scope
Kvs values [m³/h]80.00 m³/h
Leakage rate [% Kvs]0.03
Leakage through port max. [% Kvs]0.03
Material DescriptionVFG22 PN25 80/80 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
Operating pressure [bar] [Max]25 bar
Permissible mediaDistrict heating/cooling circulation water
Pressure classPN 25
Pressure nominal [bar]25 bar
Pressure relieve system control valve insertChamber
Product TypeVFG 22
Product groupPressure flow controllers
Product lineDistrict Energy Controls
Sealing DP materialMetal
Valve body materialDuctile iron EN-GJS-400-18-LT (GGG 40.3)
Valve cone DP materialStainless steel mat. No. 1.4021
Valve seat DP materialStainless steel, mat. No. 1.4021
Valve sizeDN 80

General specifications

Characteristic
Value
Gross weight35 Kilogram
Net weight29 Kilogram
Characteristic
Value
Volume80.535 Liter
EAN/UPC5710104522814