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Indirect Fire Detection and Automatic Extinguishing System
Key words:
Indirect Fire Detection and Automatic Extinguishing System
Classification:
Case Details
Working Principle
The fire detection device consists of a pressure vessel filled with extinguishing agent, container valves, and fire detection tubes that can release the extinguishing agent. It relies on numerous detection points (linear) under pressure to detect potential fire hazards along the layout of the fire detection tubes. When exposed to open flames or temperature shocks, the fire detection tube will burst at hot spots, causing the valve to actuate after the tube loses pressure, releasing the extinguishing agent through the release pipe to the nozzle and transmitting the fire signal.
System Advantages
● The fire detection tube is made of a high polymer material, combining flame retardancy, flexibility, and temperature sensitivity, capable of long-term leak resistance, with a maximum leakage rate of 10-5mbar*l/s/m. Linear hose, unaffected by dust, oil stains, and electromagnetic interference;
● The system operates independently, requiring no external power supply, unaffected by power outages;
● Unique integrated valve design with built-in ball valve, preventing damage to the ball valve and reducing the possibility of leakage,
● Quick-connect fittings with double sealing ring design, good sealing performance;
● Highly integrated electromagnetic valve combination design, providing customized solutions for customers, meeting the needs of different industries and application scenarios, simple design and installation, low maintenance costs.
Fire Detection Tube Technical Parameters
| Inner Diameter | Wall Thickness | Density | Actuation Temperature |
| 4.0mm±0.04mm | 1.0mm±0.1mm | 1.05g/m3:±0.1 g/m3 | 170±10℃ |
Product Model and Specifications Indirect
| Type of Fire Detection Device | Filling Amount of Extinguishing Agent | Effective Protection Range | Nominal Pressure (MPa) | Maximum Working Pressure (MPa) | Length of Fire Detection Tube (m) | Length of Release Pipe (m) | Medium Selection |
| TH-J-Q-6/2.5/170-FW | 6Kg-5% | 8.0m³ | 2.5 | 4.2 | 20 | 12 | Heptafluoropropane |
| TH-J-Q-12/2.5/170-FW | 12Kg-5% | 16.0m³ | 2.5 | 4.2 | 20 | 12 | Heptafluoropropane |
| TH-J-F-6/2.5/170-FW(1230) | 6Kg-5% | 6.0m³ | 2.5 | 3.2 | 20 | 12 | Novec1230 |
| TH-J-F-6/2.5/170-FW | 6Kg-5% | 6.0m³ | 2.5 | 3.2 | 20 | 12 | Perfluorohexanone |
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