PCV-VFQ 21, PN 16, DN 250, 630.00 m³/h, Flange


Assem.kit PCV-VFQ21 PN16 250/630 flange

Product details

Gross weight 408 Kg
Net weight 408 Kg
Volume 672 Liter
EAN 5702421813980


Actuator size [cm²] 630 cm²
Cavitation factor 0.2
Connection types Flange
Control ratio 750:1
Description Assem.kit PCV-VFQ21 PN16 250/630 flange
Diameter [mm] 250 mm
Differential pressure range [bar] [Min] 0.5 bar
Differential pressure setting [bar] [Max] 10 bar
Differential pressure setting [bar] [Min] 0.5 bar
Flow characteristic Linear optimized
Function PCV Assembly kit
In scope of WEEE and contain batteries No
Kvs values [m³/h] 630 m³/h
Leakage rate [% Kvs] 0.05
Media pH [Max] 10
Media pH [Min] 7
Media temperature [°C] [Max] 150 °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 class PN 16
Pressure nominal [bar] 16 bar
Product group Pilot - controlled valves
Sealing material EPDM
Stem position Normally closed
Type PCV-VFQ 21
Valve body material Grey cast iron EN-GJL-250 (GG-25)
Valve cone material Stainless steel, mat. No. 1.4021
Valve seat material Stainless steel, mat. No. 1.4313
Valve size DN 250


Spare Parts






Software and firmware to extend functionality