It works proportionally to maintain a constant air / gas ratio at different burner capacities and variable pressures. It can be adjusted for burner operation or low ignition as standard.
Specifications
- It controls the gas pressure depending on the air pressure.
- Used for a constant gas / air ratio
- Modulating and progressive burner operation
- Wide bed opening rate and high control accuracy
- Dimensions DN 15 – DN 50 (GAVR series) and DN 65 – DN 100 (VRGA series)
- Adjustable for burner start or low ignition as standard
- Maintenance-free
- The EC type has been tested and approved. (EN 12067-1)
- It can be applied as air / gas ratio controller.
- It is suitable for EN 746-2.
Technical Description
- Maximum operation pressure: 200 mbar
- Air pressure control: 2 – 120 mbar
- Air – Gas ratio: 1: 1
- Min differential pressure: 20 mbar
- Max. differential pressure: 150 mbar
- Ambient temperature: -10 ° C / +60 ° C
- Fluid: Natural Gas, LPG
- Geared connection: ½ ”- 2”
- Flanged connection: DN 25 – DN 150 (PN 16)
- By – pass connection: ¼ ”
