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Indirect Fire SuppressionAutomatic fire suppression systems for a range of applications.
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Businesses rely on electrical equipment like CNC and EDM machines, switchgear and fume hoods, which often contain fire hazards. Fires on these essential pieces of equipment can result in operational downtime, costly repairs and data loss.
The DAB Indirect Fire Suppression System offers reliable suppression in larger enclosures, enclosures that require multiple cabinets to be flooded simultaneously, or where the presence of an extractor fan may mitigate the reliability of a direct fire suppression system.
Why DAB Indirect Fire Suppression Systems?
Immediate detection and delivery
The suppression agent discharges through the distribution nozzles, suppressing the fire within a matter of seconds.
No power source required
DAB Indirect Systems offer automatic fire suppression system operation without any reliance on an external electrical power supply.
Inexpensive to install and maintain
The cost-effective systems are easy to install and maintain, and can be quickly and efficiently reinstated after deployment.
Highly reliable in harsh environments
The DAB high-grade detection tubing and distribution pipework are tolerant of dirt, debris and harsh operating conditions.
How do DAB Indirect Systems Work?
The DAB Indirect System utilises high-grade flexible detection tubing that is routed around the fire hazards within an enclosure and connected to the cylinder valve. The tubing, pressurised with nitrogen, is designed to rupture locally when exposed to heat generated by a fire, initiating the release of the suppression agent.
The suppression agent is distributed via the nozzles, strategically located for optimal coverage of the hazard area to ensure the highest level of protection. This means the fire is suppressed in seconds, minimising damage to the equipment.
The pressure gauge on the cylinder valve confirms the pressure of the system is adequate (green segment).
DAB offers a range of suppression agents that provide the best protection to each specific fire risk. These are safe to use on electrical components and also include a choice of ‘clean’ agents that do not leave a residue.
Our Technical Team will assess the risk of fire on your specific piece of equipment and recommend the most effective suppression agent for each application.
Applications for DAB Indirect Systems
- Machine tools
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CNC / EDM machinery
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Electrical switchgear enclosures
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Transformer cabinets
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Fume chambers
- Data processing enclosures
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Wind turbine equipment
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Tumble dryers
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Battery cabinets
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Many other applications
Key Technical Data
| Fire detection method | Linear heat detection tube |
| Suppression agent | Choice of suppression agents available |
| Container capacity | 1 kg, 2 kg, 4 kg, 6 kg, 9 kg |
| Container construction | Carbon steel, painted red (RAL 3000) |
| Container operating temperature range | -30 °C to +60 °C (depending on the suppressant) |
| Discharge time | 8 to 14 seconds |
| Charge Pressure | 15 bar at 20 °C |
For the complete technical specification and operating instructions, please refer to the system manual or contact us.