Sulfur Hexafluoride (SF6) technical grade is particularly suitable for application in both high-voltage and medium-high voltage power circuit breakers.
Sulfur Hexafluoride (SF6) is a non-toxic, inert, insulating and cooling gas of high dielectric strength and thermal stability.
The construction of new equipment with higher capacity and improved performance has been made possible by the excellent electrical, thermal and chemical properties of SF6. Changing from conventional dielectrics to sulfur hexafluoride – a non-flammable, chemically-inactive and non-toxic heavy gas – results in considerable space and weight savings and improvements in the operational safety of converted equipment.
SF6 is also used in medical technology: for example as a contrast agent in ultrasonic examinations as well as in ophthalmology, pneumonectomy and diseases of the middle ear, e.g. treating loss of hearing in middle ear infections.
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FM200 is a non-flammable gas used for fire suppression. It doesn’t damage electronic products, used correctly it’s safe for people to breathe in and can be used in an enclosed space, making it ideal for colocation data centres.SF6 is also used in medical technology: for example as a contrast agent in ultrasonic examinations as well as in ophthalmology, pneumonectomy and diseases of the middle ear, e.g. treating loss of hearing in middle ear infections.
FM200 is the commercial name given to it by its makers, DuPont. Its technical name is ‘heptafluoropropane’ and it is a colorless, odorless halocarbon.
FM200 extinguishes flames by removing the fire’s free radicals, disrupting an element of the fire tetrahedron by effectively preventing the chemical reaction that allows a fire to burn. When the FM200 agent comes into contact with heat (i.e. something on fire) a chemical reaction occurs locally to lower the temperature and extinguish the fire.
It then dissipates, leaving behind no residue, and doesn’t damage any electronic equipment, since it is totally non-conductive. This means all the servers in an affected data hall are able to continue operating as normal.
Water and other foam-based fire suppression systems run the risk of damaging IT equipment, and so are rarely used in colocation data centres. You could follow the logic that they would only damage equipment already damaged by fire, so there’s no harm, but this ignores the risks of:
All of the above would result in unnecessary damage to servers and downtime, from a system which is supposed to avoid exactly that. In addition to FM200 there are other gas-based fire suppression systems that data centres can use to avoid the above issues, like Argonite.
A successful digital transformation is about improving your IT setup, so it’s essential that a fire suppression system is capable of putting out a fire without damaging electronic equipment, but there are a number of gasses capable of doing this, including FM200. There are several reasons why FM200 is chosen by data centres as their method of fire suppression:
FM200, and other gas-based fire suppression systems, have been tested extensively and have a lot of real-world use proving that they’re safe to use in an enclosed space without risk of suffocating anyone.
Since only a small amount of FM200 is needed to extinguish a fire, data centres don’t need to store countless canisters to ensure they have enough. This frees up space for more racks or other storage.
With all of the advantages that FM200 has to offer, if a data centre isn’t using it or a similar fire suppression system, such as Aragonite, you shouldn’t work with them. If you’re comparing data centers you also need to make sure they have a Very Early Smoke Detection Apparatus in place since it is a data centre’s VESDA that triggers the timely release of FM200.
At Redcentric’s different data centers we use FM200 and Aragonite alongside our expertly engineered VESDA system to ensure we have an effective fire suppression system, which is just one element of infrastructure in our award-winning data centres. If you would like to find out more, check out our colocation services, or get in touch to find out how we could help your company specifically.
Novec™ 1230 Fire Protection Fluid is a clean agent fire extinguishant which was developed as a halon replacement and hydrofluorocarbon (HFC) alternative. It belongs to a family of chemicals called halocarbons, a group which includes HFCs and fluoroketones. Novec 1230 fluid is a fluoroketone, while chemical clean agents like FM-200™ are HFCs (HFC-227ea). Novec 1230 fluid has a global warming potential (GWP) of less than one while HFCs typically have a GWP of more than 3000. Novec 1230 fluid has the highest margin of safety for human occupancy among clean agents, including inert gas.
Types Water – WaterMist -AFFF Foam-ABC Powder-Carbon Dioxide- Wet Chemical
Carbon Dioxide extinguishers are filled with non-flammable carbon dioxide gas under extreme pressure. You can recognize a CO2 extinguisher by its hard horn and lack of pressure gauge. The pressure in the cylinder is so great that when you use one of these extinguishers, bits of dry ice may shoot out the horn.
CO2 cylinders are red and range in size from 5 lbs to 100 lbs or larger. In the larger sizes, the hard horn will be located on the end of a long, flexible hose.
Extinguisher LabelCO2s are designed for Class B and C
(flammable liquid and electrical) fires only.
Carbon dioxide extinguishes work by displacing oxygen, or taking away the oxygen element of the fire triangle. The carbon dioxide is also very cold as it comes out of the extinguisher, so it cools the fuel as well. CO2s may be ineffective at extinguishing Class A fires because they may not be able to displace enough oxygen to successfully put the fire out. Class A materials may also smolder and re-ignite.
CO2s will frequently be found in laboratories, mechanical rooms, kitchens, and flammable liquid storage areas.
All CO2 extinguishers at USC undergo hydrostatic testing and recharge every five years.
