Pressure Signal Feedback Unit
◆ Action pressure: 0.1-0.6MPa
Introduction To Pressure Signal Feedback Unit
◆ It is a pressure signal feedback unit (hereinafter referred to as “feedback unit”) that provides a pair of normally open contacts. When the fire extinguishing agent is released, the pressure inside the pipe network pushes the normally open contacts in the feedback unit to close, and sends a signal back to the fire control center to indicate that the fire in the protected area has been extinguished. The feedback unit is installed on the header in an independent system. It is installed at the outlet of each selector valve or the downstream main pipe of the combined distribution system. When a feedback unit is to be installed on the main pipe downstream of the header or the selector valve, it is necessary to weld a connection seat and ensure that it is connected to the pipeline. The valve body of the pressure signal feedback unit is made of stainless steel.
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