800027-A 2 06/05/2023
2.1.3 Properties of FK-5-1-12
Please refer to the Material Safety Data sheets located in the appendices for hazard information, decomposition
information, and physical properties of FK-5-1-12 agents.
3 SYSTEM DESCRIPTION
The Firetrace Pre-Engineered Automatic Indirect Low Pressure (ILP) Clean Agent Extinguisher Systems with FK-5-1-12 Clean Agent
noted in this manual include:
• 940205 - CYLINDER ASSEMBLY, DOT, ILP, M10X1 GAUGE, FK-5-1-12, 2.5LB
• 940555 - CYLINDER ASSEMBLY, DOT, ILP, M10X1 GAUGE, FK-5-1-12, 5LB
• 941055 - CYLINDER ASSEMBLY, DOT, ILP, M10X1 GAUGE, FK-5-1-12, 10LB
• 942055 - CYLINDER ASSEMBLY, DOT, ILP, M10X1 GAUGE, FK-5-1-12, 20LB
FK-5-1-12 is a gaseous fire-suppression agent that is effective for use on:
• Class A – Ordinary Combustibles surface fires
• Class B – Flammable liquid fires
• Class C – Energized equipment fires
FK-5-1-12 should not be used where the following materials may be present:
• Pyrotechnic chemicals containing their own oxygen supply
• Reactive metals such as lithium, sodium, potassium, magnesium, titanium, zirconium, uranium, and plutonium
• Metal hydrides
• Chemicals capable of undergoing auto thermal decomposition, such as certain organic peroxides and hydrazine
• Deep Seated or burrowing fires in ordinary combustibles where the clean agent cannot reach the point of combustion
The Firetrace Pre-Engineered Automatic Indirect Low Pressure (ILP) Clean Agent Extinguisher Systems can be used, but are not
limited, to protect the following:
• Electrical and electronic cabinets
• Telecommunication areas
• Data Processing areas and cabinets
• Laboratory fume /exhaust cabinets
• Pump enclosures
• UPS units
• Flammable Chemicals storage cabinets
• Generator Enclosures
• Transformer Cabinets
• Computer/Data Storage Cabinets
• CNC & VMC Machining centers
For hazards beyond the scope described above, it is recommended that the designer consult with Firetrace and the Local Authority
Having Jurisdiction (AHJ) as to the suitability on the use of these agents for particular hazards, for personnel exposure effects from
the design concentration, and for installation requirements.
Firetrace Pre-Engineered Automatic Indirect Low Pressure (ILP) Clean Agent Extinguisher Systems with FK-5-1-12 Clean Agent
consists of the following major components:
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