VFFG265-50 VFFG2/VFFG3 - 2- and 3-way control valves

Control valves, DN25-200, kvs 6.3-550, DIN-standard, for use in heating, cooling and ventilation systems. They are intended to be used together with SE actuators. The valves have DIN-standard lengths.
Specifications for VFFG265-50
Kvs 50 m3/h
Nominal diameter DN65
Max. diff. pressure 350 kPa
Actuator SE18
Specifications for VFFG2/VFFG3 - 2- and 3-way control valves
Pressure rating PN16
Connection Flanged according to EN 1092-2
Flow characteristics A - AB = equal percentage, B - AB = linear
Max. leakage 0 % of Kvs
Media Hot water, cold water, glycol-mixed water
Media temperature -5…+120°C
Rangeability 100:1 (DN50…200), > 50:1 (DN25…40)
Max. diff. pressure If a smaller actuator than the suggested one is used, the max. differential pressure may be different. More information is available in the product sheet.
Body Cast iron Grade 250
Plug Gunmetal 1400 LG2 (DN50…200), Brass CW614N (DN25…40)
Seat Gunmetal 1400 LG2 (DN50…200), Cast iron Grade 250 (DN25…40)
Stem Stainless steel 1.4305
Packing box Brass CW614N
Bonnet Brass CW614N
O-rings EPDM
Packing Aramid reinforced rubber