| 摘要 |
<p>A firefighting installation includes a network of vacuum sprinklers. The installation incorporates a trip device that triggers the application of water to the network of sprinklers. The trip device includes: a master actuator sensitive to the pressure present in the sprinkler network and capable of moving a yoke from a first to a second position; a lock for locking a member of the actuator in position; and a transmission member transmitting between the yoke and the locking means. The actuator includes a piston able to move in a cavity of the body, and has an external portion extending outside of the cavity and being provided with a ring whereon the lock means is intended to act.</p> |
