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mechanical modular monoblock burner

Nox Reduction Methods

During the last century, Nitrogen oxide emissions, called NOx, have constantly been increasing. Due to the destructive effects of nitrogen oxides on the health of

Industrial Furnace Burners

The «furnace industry» and products determine the type of flame contact. In many heat treatment processes, where the combustion gases must not come into contact

Mechanical Modular Burners

Mechanical Modular Raadman burners

RGB-MC series of burners cover a firing range from 1000 to 6000 kW, and they are manufactured with high-quality electro/mechanical accessories with easy installation and commissioning. They are mechanically resistant and are economically designed for city or industrial applications such as three-pass hot water boilers, steam boilers, hot air generators, etc.

Their operation is “two-stage” at the oil side and “modulating” at the gas side with the installation of a PID logic regulator and respective probes. The customers should kindly note that the PID regulator is not included in the burners routine process and should be ordered separately.

RGB-MC series burners guarantee high-efficiency levels in all the various applications, thus reducing fuel consumption and running costs. Optimization of sound emissions is guaranteed by the special design of the air suction circuit and the use of soundproofing material. The exclusive design ensures reduced dimensions, simple use, and maintenance. A wide range of accessories guarantees elevated working flexibility.

Firing Rate

RGB-MC Series

RLGB-MC Series


mono block staging burner specification


  • Natural gas
  • Light oil (viscosity < 6 sCt)
  • Other types of fuels (such as heavy oil, LPG, etc.) requires written confirmation from the burner department of packman corporation (Raadman brand).


Raadman gas and dual fuel burners are suitable for the following utilization.

  • Installation on heat exchanger
  • Hot water boiler
  • Steam boiler and high-pressure hot water boiler
  • Hot air generator
  • Compatible with all types of combustion chambers according to EN303 standards.


The following methods of regulation are available for RGB-MC and RLGB-MC Series burners:

Oil: Two-stage operation

Gas: Two-stage progressive or modulating operation, with a specific kit (PID regulator and related temperature or pressure sensors.)

Technical & Functional Features

  • Lightweight and optimized geometry.
  • High-quality heat-resistant steel material for all parts of burner head as well as flame covering accessories.
  • air damper for air flow setting and butterfly valve for regulating gas output controlled by a servomotor with variable cam.
  • Monoblock design and fully enclosed aluminium air housing.
  • Simple Installation, adjustment, and maintenance.
  • Easy access to internal components.
  • Engineered to maximize efficiency and fuel cost savings.
  • Suitable for firetube, firebox, and water tube boilers.
  • Equipped with high-quality and reliable electronic devices.
  • Up to 10-20 % flame shape control.
  • High-quality staging controllers from well-known producers.

Standard compliance

Designed in accordance with ISIRI-7595 and ISIRI-7594 Iran national standards (equal to the BS-EN676, and BS-EN267 European standards).

Permissible ambient conditions

  • Ambient temperature
  • -10 to +40 °C (14 to 104F)
  • -15 to +40 °C (5 to 104F)

Air humidity: max. 80 % relative humidity, no condensation.

The combustion air must be free of aggressive substances (halogens, chlorides, etc.) and impurities (dust, debris, vapours, etc.).


The emissions have been measured in various models at the maximum output, according to DIN-EN 676 and DIN-EN 297 standards.

The values of CO and NOx during burner operation are lower than 30 and 120 mg/kWh at 20 % excess of air for normal versions and, lower than 20 and 80 mg/kWh for Low NOx versions (LN series). consequently, the burner’s NOx class of II and III is reported and being approved for normal version and LN Versions respectively.

Special notes

LN versions (Low Nox Burners) have a higher rate of mixing during their operation. This results in a further decrease in the flame length and an increase in the flame diameter.

Flame Dimension

The flame dimensions which play an effective role in the burner efficiency and influence their compatibility with the boiler combustion chamber geometry, are presented in the above diagram.


The Raadman burners can be appropriately selected for all boilers which are designed according to the BS-2790, BS-855, EN-303, and BS-EN 12953-3. It is recommended that a flame fill 90% of combustion chambers at its maximum output.

RLGB-MC Series

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