Fire Alarm Preaction System
Model:ZSFY
Size:DN80-DN250
Material:frame DI or SS, pipes steel or SS
Color:red
W.P.:PN16
Description
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The Fire Alarm Preaction System is a highly effective and sophisticated fire protection system designed for use in commercial and industrial buildings. Its two-step activation process provides enhanced protection against water damage, making it ideal for protecting high-value assets. The system is cost-effective, quick to respond, and versatile. Its state-of-the-art design ensures maximum protection against fire hazards, making it an excellent choice for businesses that require high-end fire protection systems.
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Technical Parameters |
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Models |
Preaction Alarm Valve ZSFY 80/100/125/150/200/250-1.6A |
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Nominal Diameter DN |
80 |
100 |
125 |
150 |
200 |
250 |
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Face to Face Dimension(mm) |
565 |
605 |
690 |
720 |
910 |
1120 |
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Rated Working Pressure |
1.6MPa |
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Sealing Testing Pressure |
3.2MPa |
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Strength Testing Pressure |
6.4MPa |
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Frame Material |
Ductile Iron or Stainless Steel |
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Components
A Fire Alarm Preaction System consists of several components, including:
1. Control Panel: The control panel is the central hub of the system. It receives signals from various sensors and detectors, processes the information, and initiates appropriate responses.
2. Detection System: This system includes smoke and heat detectors that detect the presence of a fire.
3. Preaction Valve: The preaction valve is a specialized valve that controls the flow of water in the system. It is designed to prevent inadvertent activation of the system by providing a two-step process for activation.
4. Alarm Bell: The alarm bell sounds an audible alarm when the system is activated.
5. Sprinkler Heads: The sprinkler heads are strategically placed throughout the building and are designed to discharge water when activated.
Working Principle
The Fire Alarm Preaction System uses a two-step process for activation. The first step involves detecting the presence of a fire through the detection system. Once a fire is detected, the preaction valve is activated, which opens the valve to allow water to flow into the system. However, at this stage, the water is prevented from flowing into the sprinkler system by a special release device.
The second step is triggered by the activation of the release device, which opens the valve and allows water to flow into the sprinkler system, activating the sprinkler heads. Unlike traditional sprinkler systems, which use air pressure to open the valve, the Fire Alarm Preaction System uses an electronic signal to activate the release device. This two-step process prevents accidental discharge of water, which could result in costly water damage.
Benefits
The Fire Alarm Preaction System offers several benefits over traditional sprinkler systems. Some of the benefits are:
1. Enhanced Protection: The two-step activation process makes the system less prone to accidental activation, providing enhanced protection against water damage.
2. Quick Response: The system responds quickly to fire hazards, providing early detection and response to potential fire hazards.
3. Versatile: The system is ideal for protecting high-value assets such as data centers, server rooms, and museums.
4. Cost-Effective: The system is cost-effective compared to traditional sprinkler systems, which require additional plumbing and installation costs.






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