...a fire detection line that can activate the deluge valve - Once the Detector operates the deluge valve will be activated, releasing (opening) the water supply to the system. - Autommatic Fire Pumps can be activated by this proceedure and inturn extinguish/control the fire condition.  ...

...sealing spring.  During fire conditions, the heat-sensitive  fusible link disengages, the pip cap and  spring are released, and the waterway  is opened. Water flowing through the  sprinkle orifice strikes the sprinkler deflector, forming a uniform spray pattern  to...

...sealing spring.  During fire conditions, the heat-sensitive  fusible link disengages, the pip cap and  spring are released, and the waterway  is opened. Water flowing through the  sprinkle orifice strikes the sprinkler deflector, forming a uniform spray pattern  to...

...sprinklers attached to a piping system containing air or nitrogen under pressure the release of which as from the opening of a sprinkler permits the water pressure to open a valve known as a dry pipe valve The water then flows into the piping system and out the opened sprinklers...