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VFQ22_VFQ221

VFQ 22, PN 25, 650 m³/h

065B5582

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
DG Indicator ProfileNot relevant for dangerous goods
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 DescriptionVFQ 22 PN25 200/650 2-way flange flow/re
Media pH [Max]10
Media pH [Min]7
Media temperature [°C] [Max]150 °C
Media temperature [°C] [Min]2 °C
Characteristic
Value
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 systemChamber
Product TypeVFQ 22
Product groupPressure flow controllers
Product lineDistrict Energy Controls
Sealing DP materialMetal
Valve body materialDuctile cast iron EN-GJS-400-18-LT (GGG 40.3)
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 weight273 Kilogram
Net weight248 Kilogram
Characteristic
Value
Volume637.44 Liter
EAN/UPC5715162432747