Fire suppression systems are extremely reliable. However they are occasionally undermined by a factor beyond our control, the “integrity” of the protected room, that is, its capacity to hold gas. Before the introduction of the Room Integrity Test, it was common practice to prove the ability of the room to contain gas by carrying out full discharge testing.
Environmental concerns surrounding the Halons led to the development of the Room Integrity Test. Unlike full discharge testing, Room Integrity Testing causes little discruption to the working day and staff my continue to work in the test area. The fan unit is fitted in to a door way of the room being tested by means of the special expandable door panels designed to fit most door frame sizes. The fan is used to increase the pressure in the room by an amount approxiamately equivalent to the coloumn weight exerted by the extinguishing agent following a discharge.