Elektrogas Control Valves VF VFH


Butterfly valves for air and gas 

VF and VFH butterfly valves are designed for regulation and control of air and gas flow.
Valves can be operated manually using a lever (to setup the high-fire rate of the burner) or automatically using a servomotor (modulating or staged control) or a solenoid actuator (two-stage control).
The setting can be monitored on a graduated scale, this allows  precise regulation ratios.
This type of device is suitable for air and gas adjustment in combustion processes, like industrial kilns, drying stoves, smelting and annealing furnaces.
–          (AlSi) : DN40 … DN150
–          (GGG) : DN40 … DN200
Operating pressure
       VF : 0 … 500 mbar
      VFH : 0 … 150 mbar
Media temperature
      VF : 60°C (200°C optional)
     VFH : 450°C
      VF  : EC-type tested and certified according to EN13611
Gas Type
      VF : air and non-aggressive gases (Family 1-2-3, EN 437)
      VFH : heated air and flue gas