Alarm Check Valve
An alarm check valve is a specialized valve used in wet pipe fire sprinkler systems. Its primary function is twofold: Preventing Water Backflow: It acts as a check valve, preventing water from flowing back into the water supply system.Activating Fire Alarm: When water flows into the sprinkler system (indicating a fire), the valve activates an alarm, alerting occupants to the emergency.
Description
How it Works
- Normal Operation: The valve remains closed, preventing water from entering the sprinkler system.
- Fire Condition: When a sprinkler head activates, water flows into the system. The increased water flow triggers the alarm check valve to open, allowing water to continue flowing while simultaneously activating the fire alarm.
Components and Features
- Check Valve: Prevents water backflow.
- Alarm Mechanism: Triggers the fire alarm when water flow is detected.
- Bypass Valve: Allows for system maintenance without affecting the alarm function.
- Pressure Gauge: Monitors system pressure.
Benefits
- Early fire detection and warning.
- Prevention of water damage due to backflow.
- Protection of the water supply system.
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