Riello DB Series Industrial Dual Block Oil, Gas, Dual Fuel Burner
The DB Series burner range represents the evolution in Riello Burners industrial product range. They are dual block burner for applications in large plants, hospitals, food, chemicals and textile industries. They are well designed for hot water boilers, steam and thermal oil generators. The DB series burners can be supplied with electronic or mechanical air-fuel ratio control, they can work with pre-heated air up to 150°C as standard or up to 250°C with special models. New variable geometry combustion head allows to reach < 80 mg/kWh NOx emission on natural gas operations. An hinge system for easier combustion head maintenance is available on all models.
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Dual block forced draught burner, two stages progressive or modulating operation (with a kit), separate supply, fully
automatic, made up of:
- Air damper for air setting with variable profile cam controlled by a servomotor (version /M – mechanical cam)
- Air damper for air setting with air servomotor managed by microprocessor (version /E – electronic cam)
- Variable geometry combustion head that can be set according the required output
- Combustion head servomotor managed by microprocessor (version /E – electronic cam DB16-20 only)
- Pilot burner with two gas valves and pressure regulator (as standard on DB9-12-16-20 only)
- Minimum air pressure switch
- Flame inspection window
- Electrical interface box with ignition transformer inside
- Opening hinge to have easier combustion head inspection and maintenance
- IP54 protection level
Nozzles
High pressure flexible tubes
High pressure oil filters
Circulation group
Check valve
Potentiometer kit
|
Model: |
kW Rating: |
|
DB 4 |
1,000/2,500 - 5,000 kW |
|
DB 6 |
1,400/4,000 - 7,800 kW |
|
DB 9 |
1,500/5,000 - 9,500 kW |
|
DB 12 |
1,700/7,000 - 12,500 kW |
|
DB 16 |
2,500/8,000 - 16,000 kW |
|
DB 20 |
3,000/10,000 - 20,000 kW |
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