Pre-action alarm valve ZSFY Pre-action alarm valve group

材质：

球墨铸铁

< Pre-action alarm valve is an automatic sprinkler fire extinguishing device developed in recent years. It combines fire detection and alarm technology with automatic sprinkler fire extinguishing systems to provide dual protection for the protected objects. Normally, the pipeline on the system side is filled with air, so the system has the characteristics of a dry system. It is especially suitable for important places where high temperature, severe cold, water damage, and accidental spraying are not allowed. The pre-action system produced by our company consists of a deluge valve device, an alarm valve device, a connecting flange, etc. This device is supplied in complete sets, providing great convenience for users to install and use.
< Working principle:
< When a fire occurs, the fire detector installed in the protected area first sends out a fire alarm signal. After receiving the alarm signal, the fire alarm controller sends a command signal to open the deluge valve. Fill the pipe network on the side of the system with water to convert the system into a wet system. At the same time, the hydraulic alarm bell sounds, the pressure switch operates, and audible and visual alarms are activated to indicate that the pipe network has been filled with water. If the fire continues to develop, the glass ball of the closed sprinkler head will break and the sprinkler head will spray water to extinguish the fire.
< The pre-action fire extinguishing system is a closed sprinkler system with a pre-action valve that is automatically controlled by the fire detection system. The pre-action fire extinguishing system uses a closed sprinkler head, with It is used to protect buildings that do not allow water damage to prevent water damage to the protected area due to accidental rupture of the sprinkler head. Under normal operating conditions, there is no water in the pre-action sprinkler system pipe network and is filled with low-pressure air... , low-pressure gas is used to detect whether there are leaks in the pipe network or whether the nozzles are broken.
Technical parameters:
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System pipe network monitoring air pressure
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Air compressor pressure
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Air compressor displacement
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Air compressor discharge power

System static power consumption
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Continuous backup power Working hours

Daily average power consumption
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Connection size:
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