These vials allow instant activation of NSHEV devices if the desired reaction temperature is reached during a fire. The temperatures at which the devices can be triggered without human action are 68 ° C (red), 93 ° C (green), 118 ° C (light blue), 141 ° C (blue) and 182 ° C (violet).
The non-thermosensitive element is used in actuators for SMOKE OUT VERT^™ system, since these are setted on two sides of the building, opposed to each other by regulations and must be regulated by an anemometric device, so that in the emergency the devices are prevented from opening upwind.