
Capteur de flamme UV Siemens « QRA55.G27 »
Ultraviolet flame detector Siemens QRA55.G27 is a professional device for reliable flame monitoring in industrial gas, liquid fuel and dual-fuel burners. The detector is designed to detect ultraviolet radiation from the flame and is used in automatic combustion control systems to ensure safe and stable operation of boiler and heat engineering equipment. Siemens QRA55.G27 provides constant monitoring of combustion processes and instantly responds to flame loss. When the signal is lost, the detector sends a command to the burner control unit for emergency fuel shut-off, helping to prevent accidents and improve industrial safety. The QRA55.G27 model features high sensitivity to UV radiation, resistance to electromagnetic interference and stable operation under intensive use. The detector is widely used in industrial boilers, heat generators, furnaces, dryers and other equipment requiring accurate and reliable flame monitoring. Advantages of Siemens QRA55.G27: • Accurate flame monitoring via ultraviolet radiation • Fast response to flame loss • Suitable for gas, liquid fuel and dual-fuel burners • High reliability and long service life • Compatibility with Siemens burner controls • Resistance to industrial loads and interference • Easy installation and maintenance The ultraviolet flame detector Siemens QRA55.G27 is in demand in industrial thermal power and automation systems where safety, stable operation and uninterrupted combustion control are critical. Using original Siemens equipment helps reduce the risk of emergency shutdowns and improve burner equipment efficiency.