Heptafluoropropane (chemical formula CF₃CH₂F) is a colorless, odorless, non-conductive extinguishing agent that does not cause secondary pollution. Its ozone depletion potential (ODP) is zero. Among the ISO-approved clean gas fire extinguishing agents, it offers excellent cleanliness, low toxicity, good electrical insulation properties, and high fire suppression efficiency.

The heptafluoropropane fire extinguishing mechanism operates through three aspects:

• Chemical inhibition: The agent inertizes the active free radicals in the flame, blocking the chain reaction during combustion.
• Cooling: When the liquid agent is sprayed from the nozzle, it rapidly transforms into a gaseous state, absorbing a large amount of heat and reducing the temperature of the flame area within the protected zone.
• Suffocation: The release of the agent within the protected area reduces the oxygen concentration, slowing down the burning rate.

The heptafluoropropane fire extinguishing equipment is submitted for inspection and certification in accordance with the GB25972-2010 standard. Its system functions are complete, operation is reliable, safety protection measures are comprehensive, and it is widely used for the protection of multiple and large protected areas.

The system can be used to extinguish the following types of fires:

• Electrical fires
• Liquid fires or fires involving molten solids
• Fires on the surface of objects
• Gas fires whose gas source can be cut off before extinguishing

It is suitable for protecting enclosed spaces. Typical applications include:

• Fire protection zones for gases and liquids with explosion hazards
• Libraries, archives, document and cultural relic repositories
• Oil-immersed transformers, oil-filled power distribution equipment, and standby generator rooms
• Communication rooms and computer rooms