A melting bolt is a stud made of metal. The metal is melting at a certain temperature.
By Pressure/vacuum relief valve Pressure/vacuum relief valve is an umbrella term that includes pressure or vacuum relief valve as well as pressure and vacuum relief valve. melting the melting bolt Melting bolt A melting bolt is a stud made of metal. The metal is melting at a certain temperature. , a mechanically pre-stressed mechanism is activated, e. g. loosening the hood attachment of an endurance burning Endurance burning Stabilized burning for an unlimited time. flame arrester Flame arrester Device fitted to the opening of an enclosure, or to the connecting pipe work of a system of enclosures, and whose intended function is to allow flow but prevent the transmission of a flame. .