Elektrogas Control Valves VF VFH

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.

Material/Connections

VF

– (AlSi) : DN40 … DN150

VFH

– (GGG) : DN40 … DN200

Operating pressure

VF : 0 … 500 mbar

VFH : 0 … 150 mbar

Media temperature

VF : 60°C (200°C optional)

VFH : 450°C

Approvals

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

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