Properties of refrigerant r22 dichlorodifluoromethane saturated liquid and saturated vapor imperial and metric units. Freon refrigerant nu22b 25lb jug freon refrigerant r. Physicochemical properties of various refrigerants 20 table 8. Freon r11, r12 and r 22 are common freon refrigerants. Freon is a trade names for chemicals that is used as refrigerant in air conditioning or hvac systems.
R410a versus r 22 refrigerants r 22 is a refrigerant that has been widely used in air conditioners and heat pumps for many years. The following tables show the percentage composition of refrigerant blends found acceptable acceptablethis designation means that a substitute may be used, without restriction, to replace the relevant ods within the enduse specified. The toxicity depends upon the concentration and exposure. Most importantly, its latent heat of vaporization is 22 kilojoules per mole, which is only slightly below the 24 kilojoules per mole value for. Az20 r410a applications commercial refrigeration air conditioning automobile air conditioning. Freon refrigerants include a wide range of hydrochlorofluorocarbon hcfc and hydrofluorocarbon hfc refrigerants. R22 phaseout for air conditioning systems what is r22.
By 2015, the cap on r 22 and other ozonedepleting hcfc refrigerants will be reduced to allow a maximum of about 60 million pounds of virgin new r 22 to be produced in or imported into the u. Freon 12 has a number of thermodynamic properties which make it suitable for use as a refrigerant. Genetron performax lt r407f, genetron 422d, genetron 407c. This refrigerant has a higher cooling capacity and significantly higher pressure than r 22. Many manufacturers offer alternate refrigerants like r407c, r438a and r422, claiming they can be used in existing r22 airconditioning systems. On the inventory, or in compliance with the inventory sara 3 regulated chemicals freon revision date. We all remember, and potentially still know and use, the freon refrigerant which is know to deplete the ozone layer in the upper atmosphere. R 22 is a refrigerant often used in air conditioners and heat pumps. Below is a list of the different oil types for the different refrigerants in our units. Honeywell recommends using genetron performax lt or one of the solstice range products. The replacement refrigerant for r22, r410a, is being produced to meet the rising demand for new air conditioner and heat pumps systems. Aug 14, 2014 up until recently r22 refrigerant was the most common type of refrigerant for home and commercial airconditioning units. Number assigned to the ammonia r717, while water has a number of r718.
The wellknown windowsbased solkane software is designed for calculations involving complex material. It is commonly used as a propellant and refrigerant. Section 608 of the clean air act prohibits the knowing release of refrigerant during the maintenance, service, repair, or disposal of. R22 thermodynamic properties temperature standard1. Environmental impacts of the production of each refrigerant 22 in mpt per kg table 9. Compare performance of multiple refrigerants learn the line sizing and many. Purchasing freon refrigerants by the chemours company provides a reliable supply of highquality refrigerants to use in new equipment and retrofit opportunities, and to service installed air conditioning and refrigeration systems. These applications are being phased out in developed countries due to the compounds ozone depletion potential odp and high global warming potential gwp, although global use of r 22 continues to increase because of high demand in. It has long been used in a variety of airconditioning and refrigeration applications in a variety of markets. Genetron performax lt r407f, genetron 422d, genetron 407c, genetron az50 r507. Freon 410a refrigerant is the leading hydrofluorocarbon hfc option recommended to replace the function of r 22 in residential ac and heat pump systems. This colorless gas is better known as hcfc 22, or r 22. Up until recently r22 refrigerant was the most common type of refrigerant for home and commercial airconditioning units.
Spreadsheet calculations of thermodynamic properties larry caretto, david mcdaniel, tom mincer csu, northridgeus air force academycsu, northridge. The term freon is a common descriptor or proprietary eponym similar to a generic trademark like xerox or kleenex. This makes the equipments compact and reduced the operating cost. Genetron 22 r22 genetron 245fa r245fa genetron az20 r410a applications.
An ability to be topped off after a leak, multiple times, with minimal impact on system performance. For example, hcfc 22 is an acceptable substitute for r502 in industrial process refrigeration. R4a refrigerant is less efficient than r22, but its ozone depletion potential is zero. R410a versus r22 refrigerants r22 is a refrigerant that has been widely used in air conditioners and heat pumps for many years. However, the oil in the refrigeration system is a contaminant that lowers the efficiency of the refrigeration system. This refrigerant provides improved performance versus r404a and r507 in new and existing. As an hcfc, this product is being phased out globally.
This hydrofluorocarbon hfc retrofit refrigerant is an effective alternative to r and r503 when temperatures must remain at or below 40 to 73 c. Apr 12, 2020 refrigerants are widely used in refrigeration cycle where cooling effect below the atmospheric temperatures are needed. Fellow ashrae mcquay international staunton, virginia usa 1 what is a refrigerant. All refrigerants use r11 as a datum reference where r11 has an odp of 1. Thermal properties of each refrigerant 24 table 10. Higher heat transfer coefficient requires smaller area and lower pressure drop. Puron is an environmentally sound refrigerant designed to protect the earths ozone layer. Desirable properties of refrigerants chemical engineering site. Its added to a closed loop system inside the ac system and is continuously recycled. Updates about the hcfc phaseout many diverse industries have depended on freon 22 r22 refrigerant as their goto hydrochlorofluorocarbon hcfc cooling product for decades. R404a alternatives, refrigerant, refrigeration johnstone. R22 thermodynamic properties agc chemicals company. R410a isnt the final refrigerant, and other new refrigerants are coming. This information is based on values calculated using the nist refprop database mclinden, m.
A mollier diagram is a graphical representation of the properties of a. Thermodynamic properties of refrigerant r 22 properties of r 22 vapor volume, enthalpy and entropy at pressures from 30 to 260 psia tag search en. Its gwp of 675 is within the acceptable limits for refrigerant gases used in new equipment splits with a load less than 3 kg, put on the market from 01012025, in. Open grid scheduler grid engine follow air conditioners, refrigerators and freezers rely on the circulation of a refrigeranta chemical that can efficiently remove heat from the surroundings as it repeatedly cycles between the liquid and. What supermarkets and property and facility managers need to know. Freon refrigerant nu22b 25lb jug freon refrigerant r22. Nextgeneration refrigerant delivers low gwp dupont. Air conditioning freon refrigerant r22 r410a repairs and. Whenever we choose them for particular use properties of refrigerants also plays a vital role in economic and environmental friendly application. For example, hcfc22 is an acceptable substitute for r502 in industrial process refrigeration.
Freon 22 r22 refrigerant hydrochlorofluorocarbon hcfc. Opteon xp44 is wellsuited for use in directexpansion dx chillers. The united states environmental protection agency epa reduced the production of r 22 refrigerant once again for 20. Pressure pressure in the cooling system is important. Opteon xp40 r449a has been successfully used in a wide range of commercial refrigeration applications. V volume in m3kg h enthalpy in kjkg s entropy in kjkgk saturation properties in freon 22 refrigerant. It is believed that the larger discrepancies in the energy balance for r407c and r410a are related to uncertainties of the refrigerant properties. Contact of welding or soldering torch flame with high concentrations of refrigerant can. R22 or hcfc 22 is a single component hcfc refrigerant with low ozone.
Its gwp of 675 is within the acceptable limits for refrigerant gases used in new equipment splits with a load less than 3 kg, put on the market from 01012025, in compliance with european regulation ec no. A chlorinefree refrigerant that meets the epas newest, most stringent environmental guidelines. Opteon xp40 r449a refrigerant is an environmentally sustainable, nonozone depleting refrigerant offering a low global warming potential gwp. Cooling efficiency of each refrigerant 25 table 11. This colorless gas is better known as hcfc22, or r22. Because r 22 depletes the ozone layer, production and import was significantly reduced in 2010. Dupont freon refrigerants thermodynamic properties of. Replaces r22, and r404ar507 in ltmt refrigeration applications nonozone depleting low gwp refrigerant for retrofit and new installationslower energy consumption compared to r404a507compatible with poe lubricantsapproved by major oemsapplications. Not all refrigerants of this type are labelled as freon since freon is a brand name for the refrigerants r12, rb1, r22, r410a, r502, and r503 manufactured by the chemours company. Simulate your system with the right refrigerant and export the results to excel.
R32 is suitable for new equipment specifically designed for r32, in applications that used to use r410a. Thermodynamic properties of duponttm freonr 22 refrigerant author. Table 1 continued freon 22 saturation properties temperature table. Duponttm refrigerants, technical information keywords.
The potential for a single molecule of the refrigerant to destroy the ozone layer. The app is a hugely practical aid for all producers, installers, engineers and sales personnel in the fields of airconditioning and refrigeration. These were especially taken into consideration when it was being tested as a replacement for ammonia. Find answers to your refrigerants questions with honeywell refrigerants suite of apps. By 2015, the cap on r22 and other ozonedepleting hcfc refrigerants will be reduced to allow a maximum of about 60 million pounds of virgin new r22 to be produced in or imported into the u. Sep 05, 2017 r4a refrigerant is less efficient than r 22, but its ozone depletion potential is zero. Freon 407c r407c refrigerant r22 retrofit refrigerant. Freon 407c has been a popular r22 replacement because of its properties, which include. Open grid scheduler grid engine follow air conditioners, refrigerators and freezers rely on the circulation of a refrigerant a chemical that can efficiently remove heat from the surroundings as it repeatedly cycles between the liquid and.
Close to zero gwp opteon yf has a gwp of 4 based on a 100year time horizon, and more than meets the eu mac directive regulation of gwp of 150. It has been deemed hazardous to the environment and it will begin phaseout by law in the year 2010. Close match to r22 properties used in high temperature systems like unitary ac not for use in flooded evaporator systems for use with poe oil to ensure miscibility. It determines how reliable equipment should be to keep the refrigerant. The refrigerants should be non poisonous to humans and food stuff. Opteon yf does have physical properties similar to hfc4a, offering the ability to be used in current hfc4a systems with minimal system modifications. About r22 refrigerant replacement petro home services. It can be used in new commercial refrigeration equipment and for the retrofit of existing systems. The difference between r4a and r22 air conditioner. Cfcs are produced as a volatile derivative of methane and ethane. The cooling and heating capacities reported in this paper were. Energy consumption and environmental impacts 26 of each refrigerant during operation. Here are some of the desirable properties of refrigerant explained in detail. R22 refrigerant has been used for years in central air conditioners, heat pumps, minisplits, car ac systems, and other refrigeration equipment.
Federal law requires all manufacturers phase out ozone depleting refrigerants in the next few years. The refrigerant must be compressed and sent to various parts of the system under pressure. Toxicity is the important properties of refrigerants. R407c, refrigerant, refrigeration johnstone supply.
Do you have an airconditioning unit made before 2010. Similar cooling capacity, energy efficiency, and pressures as r22 in systems. Section 608 of the clean air act prohibits the knowing release of refrigerant during the maintenance, service, repair, or disposal of airconditioning ac and refrigeration equipment. Refrigerants and their application presented by thomas e. Its popularity took off in the 1950s when it replaced r12 refrigerant for home and commercial use. Genetron refrigerants modeling software download european. Thermodynamic properties of duponttm freonr 22 refrigerant. Freon 22 r22 refrigerant our brand assurance promise. Its a gas at room temperature and liquid when it is compressed or cooled.
R410a refrigerant, r22 phaseout, freon replacements. Understand refrigerant properties, and download support materials, case. Learn how freon 22 r22 refrigerant has been the refrigerant of choice for years in air conditioners and a variety of commercial refrigeration systems. Epa phaseout of r22, freon replacement, r410a, new refrigerant. Genetron performax lt r407f, genetron 422d, genetron 407c, genetron az50. Freon is duponts commercial name for r22, a member of the chlorofluorocarbon cfc organic compounds that contains carbon, chlorine, hydrogen and fluorine. Technical data sheet english technical data sheet spanish technical information. The freon refrigerant portfolio includes freon 23 r23 refrigerant for equipment that needs to maintain very low temperatures vlt, such as medical freezers and environmental chambers. Opteon xp44 r452a refrigerant is a nonozone depleting, low global warming potential gwp hydrofluoroolefin hfo based replacement for r404a and r507 refrigerants. Freon r11, r12 and r22 are common freon refrigerants. The freon portfolio includes products with different thermodynamic and cooling properties to meet application needs. Thermodynamic properties of duponttm freon r 22 refrigerant author. Physical properties of refrigerants molecular weight, boiling, freezing and critical points.
Therefore, it is important that the oil and the refrigerant are miscible with each other so that oil following the refrigerant out in the system is. Tables of the thermodynamic properties of freon 22. Designed to be up and running rapidly, we give you powerful software tools to manage leaks and extend equipment life, reducing maintenance and material costs in the process. These applications are being phased out in developed countries due to the compounds ozone depletion potential odp and high global warming potential gwp, although global use of r22 continues to increase because of high demand in. Compositions of refrigerant blends significant new. The r410a used in our newer systems cannot be substituted into existing systems designed for use with r22 refrigerant. Always check the compressor manufactures recommendations for oil on any other type of cooling unit. Stationary air conditioning ac, mobile ac, heat pumps, and domestic and industrial refrigeration systems excel with freon refrigerants. R 22 use mineral oil, mixing of poe is acceptable however it is preferred to use the oil that the original charge used.
Dichlorodifluoromethane is an inert gas that has a long history acting as a refrigerant, allowing us to stay cool in the summer, and as a spray propellant for important consumer substances. Argon 3 mercury 16 refrigerant 22 30 butane 4 methane 17 refrigerant 23 31 cesium 5 neon 18 refrigerant 123 32. The refrigerant management software will assist your business in managing repairs, calculating leak rates and staying within refrigerant leak thresholds get free trial access track and streamline critical refrigerant leak rate calculations and alerts with an easytouse software solution, helping your organization operate in compliance with. Spreadsheet calculations of thermodynamic properties. Genetron refrigerants modeling software registration european. Table 2 freon22 superheated vapor constant pressure tables. Cylinders are equipped with pressure and temperature relief devices, but may still rupture under fire conditions. Iso 17584 was prepared by technical committee isotc 86, refrigeration.
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