RielloRiello DB Series Industrial Dual Block Oil, Gas, Dual Fuel Burner

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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Riello DB Series Industrial Dual Block Oil, Gas, Dual Fuel Burner

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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