VFFG3125-215 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 VFFG3125-215
Kvs 215 m3/h
Nominal diameter DN125
Max. diff. pressure 120 kPa
Actuator SE25
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 Grey cast iron EN-JL1040/EN-GJL-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