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Jiangxi JA Fire Fighting Technology Co., Ltd

National Service Hotline:

400-6313-909

Position:Home > Products > Fire trace tube >

HFC-227ea direct type

Product Details
Fire detect tube
(Temperature-sensitive self-starting fire extinguishing device)
 
I. Fire Extinguishing Principle
1. Installed with sevofluoropropane fire extinguishing agent, its fire extinguishing principle refers to the introduction of sevofluoropropane products.
2. Installed carbon dioxide, carbon dioxide fire extinguishing principle:
Fire extinguishing mainly depends on asphyxiation and partial cooling. Carbon dioxide has a high density, about 1.5 times that of air. At atmospheric pressure, liquid carbon dioxide will immediately vaporize, generally 1 kg of liquid carbon dioxide can produce about 0.5 cubic meters of gas. In fire extinguishing, carbon dioxide gas can exclude air and surround the surface of the burning object or distribute in a relatively closed space, reduce the oxygen concentration around the combustible or in the protective space, and produce asphyxiation effect to fire extinguishing. In addition, when carbon dioxide is ejected from storage containers, it will rapidly vaporize from liquid to gas, and attract part of the heat from the surrounding, playing the role of cooling.
 
II. Main Advantages
1. No power supply, including batteries;
2. No need to design and install electronic alarm control system.
3. Fire detection device itself integrates fire detection and fire extinguishing.
4. It is not disturbed by ambient temperature and humidity, dust, grease scale, electromagnetic and so on. It can not alarm and start by mistake and is very reliable.
5. Different fire extinguishing agents such as carbon dioxide, heptafluoropropane and various dry powder can be filled according to different fire types.
6. It can achieve short-distance, point-to-point (fire extinguishing agent spraying point and ignition point) fire extinguishing, quickly and timely.
7. Low dosage of fire extinguishing agent (gas extinguishing agent can be reduced by 80%) and low cost of procurement and maintenance.
 
III. Existing Categories and Specifications
1. Installed sevofluoropropane (direct type):
3kg, 6kg.
2. Carbon dioxide (direct type and indirect type)
Direct 6L; indirect 45L.
 
IV. MAIN PARAMETERS
1. Installation of sevofluoropropane
Direct type:
Nominal working pressure(MPa) 2.5
Maximum working pressure(MPa) 4.2
Working temperature range (℃) 0-50
Minimum amount of fire extinguishing agent required per unit volume(kg/m3) 0.7
Maximum length of fire detcct tube(m) 25
2. Carbon dioxide inside
(1) Direct type:
Nominal working pressure(MPa) 5.17
Maximum working pressure(MPa) 15
Working temperature range (℃) 0-50
Minimum amount of fire extinguishing agent required per unit volume(kg/m3) 1.5
Maximum length of fire detcct tube(m) 25
 
(2)Indirect type
Nominal working pressure(MPa) 5.17
Maximum working pressure(MPa) 15
Working temperature range (℃) 0-50
Minimum amount of fire extinguishing agent required per unit volume(kg/m3) 1.5
Maximum length of fire detcct tube(m) 25
Maximum length of release tube(m) 12
 
Ⅴ.Application fields (sites)
1. The microwave room, the meter wave room, the transformer and distribution room and the uninterrupted power supply room in the radio and television transmitting tower;
2. Program-controlled switching room, control room and signal transfer room of communication system;
3. Power plant control room, electronic equipment room, computer room, relay room, transformer and distribution room, cable intersection, dense and intermediate head, etc.
4. Transformer and distribution cabinet, elevator control cabinet, cable trough or bridge with trough box;
5. Special cargo and important cabinet equipment in other places with relative airtight enclosures.