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Operation
In case of fire, the sprinklers is activated by the
temperature rise and the water in the outlet side piping
is dischanged through the sprinkler. As the water is
dischanged, the pressure balance between the inlet and
outlet side of the alarm valve is broken and as the
inlet pressure is dropped, the pressure switch attached
to the pressure tank is activated to automatically operated
the pump, resulting in continuous supply of water. As
the alarm value is operated, fire warning is given to
the protected area through alarm switch control. |