Fast Acting Valve

‘Fast acting shut off valves prevent flame and pressure propagation in pipes and ducts. Valves (gate or butterfly) or flaps may be used which must close in a sufficiently short time. The closure can be effected by means of an actuating mechanism initiated by detectors or by the explosion pressure wave itself.’

Reference: Adapted from S2S (safety to safety website) (EN 1127-1: 1998)