Safety
![](/sites/default/files/images/paragraphs/2022/TRGS%20burners%20installed%20in%20a%20heat%20treatment%20furnace.jpg)
Ignition and flame supervision:
- TRGS2, TRGS4, TRGS6 : Spark ignition + Flame ionization (or UV)
- TRGS8: Pilot burner (about 1.5 kW) + Flame ionization (or UV)
Cooling air for spark igniter: About 1 Nm3/h (connection ¼” internal thread)
Ignition and flame supervision:
Cooling air for spark igniter: About 1 Nm3/h (connection ¼” internal thread)