VFQ 2, 8.00 m³/h, Flange


VFQ2 PN16 25/8 2-way flange flow/return

Product details

Gross weight 9.94 Kg
Net weight 9.43 Kg
Volume 11.791 Liter
EAN 5702421809204


Application District Heating
Cavitation factor 0.6
China RoHS compliance Out of scope
Connection types Flange
Description VFQ2 PN16 25/8 2-way flange flow/return
Diameter [mm] 25 mm
Differential pressure range [bar] [Max] 16 bar
EU RoHS compliance Out of scope
Flow characteristic Linear optimized
Function Pressure relief
In scope of WEEE and contain batteries No
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] 16 bar
Product Group Pressure flow controllers
REACH Candidate List substances 0.1 Lead (CAS no. 7439-92-1)
Spindle position Normally open
Stroke [mm] 6 mm
Type VFQ 2
UK RoHS compliance Out of scope
Valve body material Grey cast iron EN-GJL-250 (GG-25)
Valve cone material Stainless steel, mat. No. 1.4404


Spare Parts






Software and firmware to extend functionality