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VFQ22_VFQ221

VFQ 221, PN 16, DN 80, 80 m³/h, Flange

065B5601

Pressure operated valves

Product specifications

Characteristic
Value
ApplicationDistrict heating and cooling
Cavitation factor0.55
Cavitation factor 100%0.50
Cavitation factor 25%0.70
Cavitation factor 50%0.63
Cavitation factor 75%0.57
Connection typesFlange
Contains batteriesNo
DG Indicator ProfileNot relevant for dangerous goods
DescriptionPressure operated valves
Diameter [mm]80 mm
Differential pressure range [bar] [Max]16.00 bar
Kvs values [m³/h]80.00 m³/h
Leakage rate [% Kvs]0.03
Leakage through port max. [% Kvs]0.03
Material DescriptionVFQ221 PN16 80/80 2-way flange flow/ret
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]16 bar
Permissible mediaDistrict heating/cooling circulation water
Pressure classPN 16
Pressure nominal [bar]16 bar
Pressure relieve systemChamber
Product TypeVFQ 221
Product groupPressure flow controllers
Product lineDistrict Energy Controls
REACH Candidate List substancesLead (CAS no. 7439-92-1)
Sealing DP materialEPDM
Valve body materialGrey cast iron EN-GJL-250 (GG-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 80

General specifications

Characteristic
Value
Gross weight38 Kilogram
Net weight32.8 Kilogram
Volume84 Liter
Characteristic
Value
EAN/UPC5715162296479
Proposition 65Cancer and Reproductive Harm