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The cabinet type SEvofluoropropane fire extinguishing device is also known as the non-pipe network fire extinguishing device, prefabricated fire extinguishing device, which is composed of fire extinguishing agent bottle group, container valve, electromagnetic driving device, metal hose, signal feedback device, nozzle, cabinet body, etc., without the installation of fire extinguishing agent conveying pipeline and the need to set up a special bottle storage room. The device is set in the protection area, when the fire occurs, the fire extinguishing agent is sprayed directly to the protection area, the fire extinguishing agent has no pipeline loss, and the fire extinguishing speed is faster and the efficiency is higher. The device has two starting modes: automatic and manual.

The device is mainly applicable to the following fires:
1) Solid surface fire;
2) Liquid fire;
3) Gas fire that can cut off the gas source before extinguishing;
4) Electrical fire;
Typical citation venues:
It is mainly applicable to the fire protection of electronic computer rooms, data processing centers, telecommunication facilities, process control centers, expensive medical facilities, valuable industrial equipment, museums and art galleries, libraries, archives, valuables warehouses, emergency power facilities, flammable liquid storage areas, clean workshops and other key places, and can also be used for fire danger places in production operations. Such as painting production line, electrical aging room, rolling machine, printing machine, melting tank, drying equipment, cement production process in the pulverized coal silo, as well as ship engine room, cargo hold.
The device can be set up to protect a small space of the protection area, or can be used to protect a large space of the protection area.

The device uses heptafluoropropane (HFC-227ea) as fire extinguishing agent. Sevofluoropropane is mainly used for chemical fire suppression and has the function of physical fire suppression. It is colorless, tasteless, clean, non-conductive, and does not pollute the protected object. It will not cause damage to property and precision facilities, and has no damaging effect on the atmospheric ozone layer (ODP value is zero). The extinguishing concentration is lower than the non-toxic reaction concentration (NOAEL concentration) of the human body, which is safe for the human body and is an excellent clean gas fire extinguishing agent.

1) When SEvofluoropropane is sprayed, condensing steam fog will be produced, and the fire extinguishing speed is very fast by interrupting the combustion chain. If it is used in a place where people are working, the device should be delayed and the personnel should be withdrawn within the delayed time;
2) The user unit shall set up obvious warning signs in the following places, and the wording of the signs is suggested as follows:
a) Signs in the protected area: Warning! Hear the scene alarm bell, personnel should immediately evacuate;
b) At the location of the emergency start button: Warning! Mechanical emergency start should confirm that no one in the protection area.
3) In addition to the above warnings, other safety measures should comply with the current relevant national regulations.

The device has three starting modes: automatic starting mode, manual starting mode and mechanical emergency operation starting mode. Since the device is located in the protected area, the mechanical emergency operation starting mode should not be adopted without reliable protection.