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Unlined gas fire extinguishing system
Introduction:
Our company's pipeless gas fire extinguishing system (also known as a prefabricated fire extinguishing system) is an application of gas fire extinguishing technology. It is a fire extinguishing system that is pre-designed and assembled according to specific application conditions, including extinguishing agent storage devices and discharge components, and features linkage control functions. Pipeless gas fire extinguishing systems have short spray times and fast extinguishing speeds, and can be used in conjunction with electrical equipment such as fire detectors, manual start buttons, fire alarm display panels, and fire alarm controllers.
Types:
Pipeless gas fire extinguishing systems can be divided into two main categories: suspended gas fire extinguishing systems and cabinet-type gas fire extinguishing systems. Different combinations can be made according to the size of the fire extinguishing system, the type of extinguishing agent, and the activation method to meet different customer needs.
Application Scope:
Suitable for small protected areas such as power distribution rooms, transformer rooms, instrument and equipment rooms, small oil depots, computer rooms, software libraries, communication equipment rooms, and archives/record rooms.
Cabinet-type gas fire extinguishing system
Overview:
Heptafluoropropane is a highly efficient, non-staining, non-corrosive, and highly insulating gaseous fire extinguishing agent. Cabinet-type fire extinguishing devices do not require a dedicated gas cylinder room, and are simple to design, install, use, and maintain. They are suitable for locations where pipeline networks are not feasible and for individual protected areas, and can be flexibly installed as needed. Therefore, they are widely used in computer rooms, data storage warehouses, power distribution rooms, libraries and archives, and other rooms containing valuable equipment.
Structural Features:
This cabinet-type fire extinguishing system integrates an extinguishing agent storage container assembly, high-pressure hose, nozzle, and electromagnetic drive device. Connected to an automatic fire alarm controller, it enables automatic detection and extinguishing of fires. Because the extinguishing agent storage cylinders are housed within the cabinet, different volumes of single cylinders can be used to protect small protected areas of varying sizes, reducing the floor space required. The multi-hole nozzles ensure rapid and even filling of the entire protected area with the extinguishing agent. Similar to suspended fire extinguishing systems, it features simple installation and low project investment.
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Performance parameters of cabinet-type HFC-227ea fire extinguishing device:
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Specifications and Models
|
Maximum filling capacity (kg) |
Storage pressure
at 20℃ (MPa) |
Jet time (s) |
Operating temperature (°C) |
External dimensions:
Length, width, and height (mm) |
| GQQ40/ 2.5 |
40 |
2.5 |
<10 |
0～50 |
500×450×1450 |
| GQQ70/ 2.5 |
70 |
2.5 |
<10 |
0～50 |
500×450×1450 |
| GQQ90/ 2.5 |
90 |
2.5 |
<10 |
0～50 |
500×450×1650 |
| GQQ100/ 2.5 |
100 |
2.5 |
<10 |
0～50 |
500×450×1650 |
| GQQ120/ 2.5 |
120 |
2.5 |
<10 |
0～50 |
550×550×1900 |
| GQQ150/ 2.5 |
150 |
2.5 |
<10 |
0～50 |
550×550×1900 |
| GQQ180/ 2.5 |
180 |
2.5 |
<10 |
0～50 |
600×550×2150 |
| GQQ70×2/ 2.5 |
140 |
2.5 |
<10 |
0～50 |
1100×450×1450 |
| GQQ90×2/ 2.5 |
180 |
2.5 |
<10 |
0～50 |
1100×450×1650 |
| GQQ100×2/ 2.5 |
200 |
2.5 |
<10 |
0～50 |
1100×450×1650 |
| GQQ120×2/ 2.5 |
240 |
2.5 |
<10 |
0～50 |
1100×550×1900 |
| GQQ150×2/ 2.5 |
300 |
2.5 |
<10 |
0～50 |
1100×550×1900 |
Working Principle:
The cabinet-type heptafluoropropane fire extinguishing device produced by our company uses an electromagnetic valve as the driving device, ensuring reliable start-up performance. When the fire detector receives a fire alarm signal from the protected area, the alarm controller outputs a DC24V 1.5A voltage, causing the electromagnetic valve to activate and open the extinguishing agent storage cylinder valve. The heptafluoropropane extinguishing agent is then sprayed into the protected area through the connecting hose and nozzle to extinguish the fire.
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