TaiCangSuanFire Equipment Co.,Ltd.

HFC-227ea The Reservoir Pressure Automatic Fire Extinguishing System

HFC-227ea Is a predominantly chemical fire extinguishing, both physical and fire extinguishing effect of the clean gas fire extinguishing agent, (chemical fire extinguishing: halogen atoms in the active group in which the minimum radius of fluorine free radicals, can be a very good capture active group H + and OH - in combustion; Physical extinguishing: mainly cooling effect; It is beneficial to protect the delicate electronic equipment and valuables from the gaseous, colorless, odorless, low-toxic, non-conductive, non-polluting and protected objects in the gas phase of normal temperature. The storage space is small, the critical temperature is high, the critical pressure is low, and it can be liquefied under normal temperature. No particle or oil residue after casting, no damage to the ozone layer (ODP value is zero), and the duration of stay in the atmosphere is 31 ~ 42 years, which meets environmental requirements. The concentration of non-toxic reaction (NOAEL) of sevoflurane was 9%, and the concentration of toxic reaction (LOAEL) was 10.5%, while the concentration of sevoflurane was generally less than 10%, which was safe for human body.

System technical parameters

Product model	QMQ4.2/90N-SA	QMQ4.2/120N-SA	QMQ4.2/150N-SA
Storage pressure of the flurane extinguishing agent bottle group	4.2MPa
Volume of extinguishing agent bottle	90L	120L	150L
Monitoring of extinguishing agent bottle group	Pressure gauge
Extinguishing agent bottle group sealing form	Diaphragm seal
N2 drives gas cylinder volume	4L
N2 - drive gas cylinder group monitoring	Pressure gauge
Drive gas cylinder group seal form	Diaphragm seal
System startup mode	Automatic, electric manual emergency start, mechanical emergency manual and emergency stop four control modes
Rack form	Single arrangement, double arrangement
Fire extinguishing way	Total flooding
Ambient temperature	0℃~+50℃
System delay start time	0~30s
Start voltage, current	DC24V，1.5A
Color of extinguishing agent bottle group	red
N2 drives gas cylinder group color	black
Bottle color	grey
Extinguishing agent storage bottle	welding
Drive gas storage tanks	High pressure seamless
The weight of the
Arrange the size of the bottle	H=1750mmL=n*400+320mmW=850mm	H=2050mmL=n*400+320mmW=850mm	H=2000mmL=n*440+340mmW=880mm
Double row bottle size	H=1750mmL=n*400+320mmW=1140mm	H=2050mmL=n*400+320mmW=1140mm	H=2000mmL=n*440+340mmW=1200mm
Nozzles are nominal working pressure（MPa）	1.4±0.1MPa
The pressure of the safety discharge device of the collector tube（MPa）	7.2±0.36MPa
Collector's anticorrosion	Hot and cold galvanized inside and outside
Storage container safety relief device action pressure（MPa）	7.2±0.36MPa

The axial profile of the gas fire-extinguishing pipe network was distributed by the internal storage pressure

Schematic diagram of the gas fire extinguishing system of the internal storage pressure type seflurane

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