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Nitrogen Gas: Nitrogen (N2) makes up the major portion of the earth’s atmosphere, accounting for 78.08% of total volume. It is a colourless, odourless, tasteless, non-toxic and almost totally inert gas. It can be an asphyxiant in high concentrations.
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Carbon Dioxide Gas: Carbon dioxide (CO2) is a liquefied, colourless gas that can asphyxiate in high concentrations. There are many different sources of CO2. It can be obtained from natural CO2 springs, limestone kilns, fermentation processes and gas streams from chemical and petrochemical plants. It can also be captured from the gas streams emitted by power plants.
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Freon R22 Gas: R22 is suitable for a wide range of refrigeration and air conditioning applications across a wide range of temperatures. Therefore it became the most common refrigerant in many applications after the phase out of CFCs.
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Freon 404a Gas: 404a is an HFC blend that is widely used in low and medium temperature refrigeration applications, such as those used in commercial refrigeration. Whilst it has become the widely accepted alternative to CFC R502, R404A is coming under greater scrutiny due to its high Global Warming Potential, leading to an increased focus on lower GWP alternatives such as R407A, R407F and R442A.
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Freon R23 Gas: R23 is used in very low temperature refrigeration systems. The most common application is in cascade refrigeration systems in the range -40°C to -80°C. R23 can also be used to replace R13 in some equipment.
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Freon 134a Gas: 134a is an extremely common refrigerant used in a wide range of refrigeration and air conditioning applications, including medium and high temperature refrigeration (both domestic and commercial), residential & light air conditioning, automotive air conditioning and industrial applications such as centrifugal chillers. It is also a common component in many HFC refrigerant blends and is used in some propellant applications.