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A Deluge Check Valve System is specified when curtains of water need to be delivered to the area. The FireLock NXT Series 768-D Deluge valve has a straight-through body design that provides superior flow and low pressure drop. The system utilizes an open type sprinkler and pressurized lines that fill with water when the fixed detection system is activated.
A Deluge system is activated when the fixed release is tripped by heat from a fire, this action releases pressure from the lines which opens the pneumatic actuator. The clapper opens and allows water to enter the pipe lines activating the electric alarm and/or the water motor alarm causing water to be distributed from all sprinklers. |