VFQ 2, 8.00 m³/h, Flange
VFQ 2, 8.00 m³/h, Flange


VFQ2 PN25 25/8 2-way flange flow/return

Product details

Gross weight 10.02 kg
Net weight 9.9 kg
EAN 5702421809334


Application District Heating
Cavitation factor 0.6
Connection types Flange
Description VFQ2 PN25 25/8 2-way flange flow/return
Diameter [mm] 25 mm
Differential pressure range [bar] [Max] 20 bar
Flow characteristic Linear optimized
Function Pressure relief
Kvs values [m³/h] 8 m³/h
Leakage through port max. [% Kvs] 0.03
Media pH [Max] 10
Media pH [Min] 7
Media temperature [°C] [Max] 200 °C
Media temperature [°C] [Min] 2 °C
Medium alternative Glycolic water up to 30%
Mounting version free
Number of ports 2
Permissible media District heating/cooling circulation water
Pressure nominal [bar] 25 bar
Product Group Pressure flow controllers
Spindle position Normally open
Stroke [mm] 6 mm
Type VFQ 2
Valve body material GGG 40.3
Valve cone material Stainless steel, mat. No. 1.4404


Spare Parts






Software and firmware to extend functionality