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Externally stored pressurized heptafluoropropane fire extinguishing system
Externally stored pressurized heptafluoropropane fire extinguishing system

Product Introduction
The externally stored pressure heptafluoropropane fire extinguishing system consists of a fire extinguishing agent cylinder assembly, a pressurized gas cylinder assembly, a high-pressure metal hose, a check valve (for the fire extinguishing agent line), a manifold, a safety relief device, a selector valve, a signal feedback device, a fire extinguishing agent delivery pipeline, a nozzle, a pilot gas cylinder assembly, a pressure reducing device, a liquid level measuring device, an electromagnetic actuator, a pilot gas line, and a check valve (for the pilot gas line).
Features
1. Diverse Models: The system is available in two configurations: standalone and combined. It is available in two storage pressures: 4.2 MPa and 5.6 MPa. A variety of cylinder sizes are available to meet various application requirements.
2. Compact Design: The system can be arranged in single, double, or triple rows, making it compact and adaptable to cylinder rooms of various shapes and sizes.
3. Easy Maintenance: The system is rationally designed, with key components located within the cylinder room, allowing for quick inspection of each component's status.
4. Quick Assembly: The equipment utilizes a modular design with a rational structural design, allowing for disassembly and transportation, and quick on-site assembly.
5. Long-Distance Transport: An external power gas cylinder assembly enables long-distance transport, with a proven maximum distance of approximately 220 meters.
6. Safe and Reliable: The device features automatic, manual, and mechanical emergency operation modes, ensuring reliable operation and comprehensive safety measures.
7. Low Maintenance Cost: The fire extinguishing agent is stored at low pressure, minimizing the risk of leakage and reducing maintenance costs.
8. Genuine Materials: The fire extinguishing agent is of high purity and is filled according to professional design and calculation.
Technical Parameters
| Model Specifications | Storage Container Capacity | Storage Pressure (20°C) | Maximum Operating Pressure (50°C) | Maximum Fill Density (kg/m³) | Fire Extinguishing Agent Release Time | Activation Mode | Operating Temperature Range | Start | |
|---|---|---|---|---|---|---|---|---|---|
| Voltage | Current | ||||||||
| QMQ4.2/90W | 90L | 4.2MPa | 5.3MPa | ≤1250 | ≤10s | Automatic, Manual, Mechanical Emergency | 0°C-50°C | DC 24V | ≤1.6A |
| QMQ4.2/120W | 120L | ||||||||
| QMQ4.2/150W | 150L | ||||||||
| QMQ4.2/180W | 180L | ||||||||
| QMQ4.2/245W | 245L | ||||||||
| QMQ5.6/90W | 90L | 5.6MPa | 8.0MPa | ||||||
| QMO5.6/120W | 120L | ||||||||
| QMQ5.6/150W | 150L | ||||||||
| QMQ5.6/180W | 180L | ||||||||
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