Resideo-Sicherheitsventil A152-1/2AA 1 / 2 6 bar

This is a safety valve from Resideo, model A152-1/2AA with a 1/2 inch connection and a set pressure of 6 bar. It is designed for gas systems to relieve excess pressure and ensure safe operation. The valve is commonly used in gas train assemblies for boilers and burners.