Description
Riello 40FS20 gas burner – One Stage 11-220 kW
The Riello 40FS20 is a one – stage gas burner with a power output ranging from 81 to 220 kW. It is designed for light industrial applications and is part of the Riello 40FS series.

RIELLO 40FS20 81-220kw one stage gas burner
This burner features a microprocessor – based flame control panel with diagnostic functions, which helps in monitoring and maintaining its operation. It has a rugged construction and is designed for easy installation and adjustment.
The burner is equipped with a butterfly valve to regulate the fuel, controlled by a high – precision servomotor.
In terms of power supply, it requires a single – phase, 230V, 50Hz power source, with a motor rated at 230V/1.4A and a 5µF capacitor. The ignition transformer has a primary voltage of 230V/1.8A and a secondary voltage of 8kV/30mA.
The main applications of the Riello 40FS20 gas burner:
- Hot water boilers: it is used to heat water for heating or domestic hot water supply;
- In steam boilers: it provides the necessary heat to generate steam for industrial production, power generation, and other fields;
- Heat transfer oil boilers: it heats the heat transfer oil to transfer heat to other processes.
- Industrial Ovens: In bakery ovens and food ovens, it ensures uniform heating to bake food products; in powder – coating ovens, it provides the heat required for powder coating curing.
- Light Industrial Applications: The Riello 40FS20 gas burner can meet any needs of light industrial applications with its compact structure, low – noise operation, and easy installation and adjustment