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VFG22(1)_DN65_065B5500_065B55210_l

VFG 221, PN 40, DN 80, 80 m³/h, Flange

065B5536

Pressure operated valves

Product specifications

Characteristic
Value
ApplicationDistrict heating and cooling
Basic Data Text Template
Cavitation factor0.35
Cavitation factor 100%0.28
Cavitation factor 25%0.51
Cavitation factor 50%0.40
Cavitation factor 75%0.35
Connection sizeDN 80
Connection typesFlange
Contain batteriesNo
DescriptionPressure operated valves
DG Indicator ProfileNot relevant for dangerous goods
Diameter [mm]80 mm
Differential pressure range [bar] [Max]20.00 bar
Kvs values [m³/h]80.00 m³/h
Leakage rate [% Kvs]0.01
Leakage through port max. [% Kvs]0.01
Material DescriptionVFG 221 PN40 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]40 bar
Permissible mediaDistrict heating/cooling circulation water
Pressure classPN 40
Pressure nominal [bar]40 bar
Pressure relieve system control valve insertChamber
Product groupPressure flow controllers
Product lineDistrict Energy Controls
Product TypeVFG 221
Sealing DP materialEPDM
Valve body materialCast steel EN-GP-240-GH (GS-C 25)
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 weight38 Kilogram
Net weight32 Kilogram
Characteristic
Value
Volume84 Liter
EAN5714279052787