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VFQ22_VFQ221

VFQ 221, PN 40, DN 200, 650 m³/h, Flange

065B5619

Pressure operated valves

Product specifications

Characteristic
Value
ApplicationDistrict heating and cooling
Cavitation factor0.35
Cavitation factor 100%0.32
Cavitation factor 25%0.59
Cavitation factor 50%0.50
Cavitation factor 75%0.38
Connection typesFlange
Contains batteriesNo
DG Indicator ProfileNot relevant for dangerous goods
DescriptionPressure operated valves
Diameter [mm]200 mm
Differential pressure range [bar] [Max]10.00 bar
Kvs values [m³/h]650.00 m³/h
Leakage rate [% Kvs]0.05
Leakage through port max. [% Kvs]0.05
Material DescriptionVFQ221 PN40 200/650 2-way flange flow/re
Media pH [Max]10
Media pH [Min]7
Media temperature [°C] [Max]150 °C
Characteristic
Value
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 systemChamber
Product TypeVFQ 221
Product groupPressure flow controllers
Product lineDistrict Energy Controls
Sealing DP materialEPDM
Valve body materialCast steel GP240GH (GS-C 25)
Valve cone DP materialStainless steel mat. No. 1.4021
Valve cone materialStainless steel, mat. No. 1.4021
Valve seat DP materialStainless steel, mat. No. 1.4021
Valve seat materialStainless steel, mat. No. 1.4021
Valve sizeDN 200

General specifications

Characteristic
Value
Gross weight300 Kilogram
Net weight275 Kilogram
Characteristic
Value
Volume637.44 Liter
EAN/UPC5715162398807