Drencher valve is used in a set of control unit for control of water flow in automatic fire extinguishing systems of preliminary action. The valve is held in the closed position by the pressure of water in the filling chamber, leaving the outlet chamber and the pipeline system dry.At fire triggers the inducement system, the pressure in the filling chamber of the valve drops, and the diaphragm of the drencher valve opens, then the water flows into the pipeline extinguishing system.The valve operates automatically, without external sources of energy.In the design of the CD should be provided with convenient access to monitor the condition of both the CD, and its component equipment, revision
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