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VFQ22_VFQ221

VFQ 22, PN 16, 800.00 m³/h

065B5576

Product specifications

Characteristic
Value
ApplicationDistrict heating and cooling
Cavitation factor0.30
Cavitation factor 100%0.28
Cavitation factor 25%0.67
Cavitation factor 50%0.37
Cavitation factor 75%0.32
Connection typesFlange
DG Indicator ProfileNot relevant for dangerous goods
Diameter [mm]250 mm
Differential pressure range [bar] [Max]10.00 bar
Kvs values [m³/h]800.00 m³/h
Leakage rate [% Kvs]0.05
Leakage through port max. [% Kvs]0.05
Material DescriptionVFQ 22 PN16 250/800 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
Medium alternativeGlycolic water up to 30%
Characteristic
Value
Mounting versionFree
Number of ports2
Operating pressure [bar] [Max]16 bar
Permissible mediaDistrict heating/cooling circulation water
Pressure classPN 16
Pressure nominal [bar]16 bar
Pressure relieve systemChamber
Product groupPressure flow controllers
Product lineDistrict Energy Controls
Product TypeVFQ 22
REACH Candidate List substancesLead (CAS no. 7439-92-1)
Sealing DP materialMetal
Valve body materialGrey cast iron EN-GJL-250 (GG-25)
Valve cone DP materialStainless steel mat. No. 1.4021
Valve cone materialStainless steel M. No. 1.4021
Valve seat DP materialStainless steel, mat. No. 1.4021
Valve seat materialStainless steel M. No. 1.4021
Valve sizeDN 250

General specifications

Characteristic
Value
Gross weight398 Kilogram
Net weight372 Kilogram
Volume796 Liter
Characteristic
Value
EAN5715162296455
Proposition 65Cancer and Reproductive Harm