Refrigerant classification chart

Refrigerant classification chart. Jan 14, 2020 · The refrigerant R-1234ze is part of a new generation of refrigerants under the HFO classification. 7th Edition 2020 R-500 and R-502 National National [ PHYSICAL PROPERTIES OF REFRIGERANTS • R-500 R-502 Environmental Classification Molecular Weight Boiling Point (1atm, ˚F) Critical Pressure (psia) Critical Temperature (˚F) Critical Density (lb. chlorofluorocarbons. The Flammability classification are specified number: 1 (no Flammability defined), 2 (low Flammability)or 3 (high Flammability). 15. 2P – Residential). In fact, A2L refrigerants require at least 1,000 times more energy to ignite than A3 refrigerants. /ftˆ3) 30. Product Information. 2 below, instead of the five listed in Table 2. Single-compound refrigerants shall be assigned a single flammability classification. A refrigerant is a working fluid used in the refrigeration cycle of air conditioning systems and heat pumps where in most cases they undergo a repeated phase transition from a liquid to a gas and back again. 0/ 0. Refrigerants in the HVACR industry New and evolving regulations on refrigerants can make it a challenge to stay up-to-date on current trends and cause uncertainty. For flammability, there are three classifications and one subclass. ) under the Montreal Protocol. Abstract. Refrigerant classification chart. Opteon™ XP10 (R-513A) refrigerant is a non-ozone depleting potential (ODP), low global warming potential (GWP) hydrofluoroolefin (HFO) based replacement for R-134a. Lower toxicity refrigerants (A) have an OEL of ≥ 400 ppm while higher toxicity refrigerants (B) have an OEL of <400 ppm. All refrigerants are identified by having an 'R' in front for refrigerant and with a set of numbers after the 'R. 4 and replace it with the revised Figure 6. See full list on learnmetrics. 7 65 18. P-T Calculator. data submitted by the refrigerant’s producer. Physical and Chemical Properties of R123. 9 98. 0/2. ashrae. The Phaseout of HCFCs Jun 16, 2021 · Natural Refrigerants; Let’s look at the different classes. PURPOSE: This standard is intended to establish a simple means of referring to common refrigerants instead of using the chemical name, formula, or trade name. While it is non toxic and non-flammable, it can cause asphyxia. R-448A is intended for use in low and medium temperature refrigeration systems to replace R-22, R-404A or R-507. Oct 9, 2017 · R-1234yf Refrigerant Fact & Info Sheet. The use of these new A2L refrigerants will require that the building codes of state, cities and municipalities be updated before the wide spread adoption. For example, HFC-134a is classified A1. June 9, 2022 by Brian Cole. For this reason, R134a is used mainly in large systems (over 250 kW) that can afford the higher costs. R-22, along with it’s sister product R-12, were one of the first mainstream Refrigerant Reference Guide 67 National Refrigerants, Inc. It continues to evolve, generally with increasing stringency. Triple point temperature: -115. It was designed to replace R-502 and R-22 used in commercial refrigerator equipment for low and medium temperature ranges. 8 kg) of Group A1 or 30 pounds (13. It’s also non-flammable, which is a big plus in terms of safety. 76K. REFRIGERANTS & LUBRICANTS REFRIGERANTS 541 REFRIGERANTS & LUBRICANTS R-1234yf belongs to a new family of HFOs (hydro-fluoro-olefins) that have a low GWP. Aug 18, 2016 · Refrigerant Safety. Safety Classifications & Flammability Parameters Safety groups of refrigerants are based on ANSI/ASHRAE Standard 34 (2019) require-ments for toxicity and flammability. Ever since 1993 R-134a has been the staple refrigerant for automotive applications. Higher toxicity refrigerants (e. 1 Refrigerant Classification 1103. 3 82. That eighty-eight degrees mark can easily be at or below the ambient temperature and when this occurs is when a transcritical system is required. /ftˆ3) Liquid Density (70˚F, lb AS/NZS ISO 817 has eight separate safety classifications (A1, A2L, A2, A3, B1, B2L, B2 and B3) for refrigerants as per Table 2. These are currently the three most widely used refrigerants on the market today for HVAC applications in residential and commercial use. R-449A is a non-azeotropic blend comprised of R-134a (25. Dec 22, 2021 · Refrigerant Safety Codes and Standards. Aug 31, 2022 · According to GB/T 7778-2017, refrigerant safety is subdivided into 8 categories, namely: A1, A2L, A2, A3, B1, B2L, B2, B3, among which, A1 is the safest and B3 is the most dangerous. Although refrigerants can pose one or more of these risks, system design, engineering controls, and other techniques mitigate this risk for the use of Name Chemical name of refrigerant; listed alphabetically by name ASHRAE Designation ASHRAE standard refrigerant designation (Ref. 9 0. Opteon™ XP30 (R-514A) refrigerant is a non-ozone depleting, low global warming potential (GWP) hydrofluoroolefin (HFO) based replacement for R-123. Also, the concentration of an A2L refrigerant can be more than ten times greater than the A3 equivalent before it reaches its flammability limit. R123 has some unique properties that make it a good refrigerant. 1 Refrigeration, Refrigerant Classification Refrigerants shall be classified in accordance with ASHRAE 34 as listed in Table 1103. HVAC technicians usually use R438A as a retrofit replacement for R22. Every refrigerant out there rather it is a hundred years old or it was just invented yesterday has a GWP rating. For more information, please visit the IPCC website. 365 77. (CFCs), and Class II ODS, such as. It could mean the difference between a purring system and a wheezing one. com Nov 12, 2019 · The safety group classification for each refrigerant has two or three alphanumeric characters (e. R407A is a Hydrofluorocarbon refrigerant blend that consists of three components: R134A (40%), R125 (40%), and R32 (20%). 6488 pounds of force per square inch. Jun 25, 2023 · Click chart to enlarge. Jul 12, 2023 · The refrigerant, which falls under the category of HFOs, is a zeotropic blend that consists of 2 HFOs (R1234ze and R1234yf) and 3 HFC refrigerants (R134A, R125, and R32). High GWP gases have GWP greater than Sep 8, 2022 · Class 1: no flame propagation. It was originally invented by a partnership with General Motors and the DuPont company all the way back in the 1930’s. The risks associated with the use of refrigerants in refrigeration and air-conditioning equipment can include toxicity, flammability, asphyxiation, and physical hazards. Pressure values are displayed for R-22, R-410a, R-407c, R-134a and R-404a refrigerants. ISO 817:2014 provides an unambiguous system for assigning designations to refrigerants. Compared to Class 2, Class 2L substances burn slower A2L classified refrigerants such as R32, R-454B, and R-1234yf have a lower flammability than A2 and lower toxicity. The Guide takes a risk assessment based Refrigerant Reference Guide 11 5th Edition 2010 R-11 and R-12 Technical Guidelines R-11 CFC 137. 2 is the low-rise residential refrigeration safety standard that all stakeholders can depend on. 40. 10 kilograms per cubic meter or 0. 178253. Table that lists minimum levels of evacuation for various types of refrigeration and air-conditioning Features and Benefits. Refrigerant blends shall be assigned flammability classifica-. Low Pressure Refrigerants: These Refrigerants meeting the definition of a compressed gas. tions, and refrigerant concentration limits to refrigerants. The type of refrigerant in refrigeration systems having a refrigerant circuit containing more than 220 pounds (99. This blend combines HFC and HFO components that produces a lower GWP than traditional HFC products. Oregon Mechanical Code 2021 > 11 Refrigeration > 1103 Refrigeration System Classification > 1103. HFCs. It is an azeotropic blend consisting of R-1234yf (56%) and R-134a (44%). These new CFC and HCFC refrigerants were known under the DuPont brand name Freon. This product is mildly These refrigerants are classified as A3 by ISO 817 and ASHRAE standard 34, indicating that they are highly flammable with a low flammability limit and heat of combustion values ≤ 0. (ASHRAE 15. 7 639. 5 0 C. Composition. It also has zero temperature glide. 0062 pounds per cubic foot at 21° Celsius (69. OEM acceptance. 7 107 99. B2L classified refrigerants such as R-717 Ammonia 8 have lower flammability and higher toxicity. 3) and the type of building occupancy (Section 1103. 2 127 119 95 35. 1 70 21. Class A refrigerants have low toxicity and include many familiar names, including R-22, R-410A, and R-12. The first character shows the toxicity and the numeral, with or without a suffix letter, indicates the flammability. The refrigerant came into the market as a retrofit replacement for R404A and R22. 1) Production of R11 or CFC-11 was halted by the clean air act on January 1, 1996. A2L Refrigerant Application Requirements NOT Included – Presently Under Consideration. Refrigerant selection involves compromises between conflicting desirable thermophysical properties. They provide essential data about a refrigerant's characteristics, including its boiling and condensing points, critical point, and the temperature and pressure at which it transitions between phases Jun 9, 2022 · The R-407C refrigerant consists of three HFC (hydrofluorocarbons) components. Danfoss is committed to providing you with the best and latest information, so you make confident decisions about the refrigerants you use with our products and in HVACR applications. Dec 11, 2023 · Refrigerant Safety. Restrictions on Refrigerant Use - Section 7. , the California Air Resources Board). The higher the GWP the more damage the Refrigerant Pressure Temperature Chart - PT Chart for R-410A, R-134A, and R-22. 325 Because the classification of refrigeration systems is a necessary step in the application of Section 1104, the code addresses the hazards of refrigeration systems to building occupants by considering three things: the type of refrigerant, the type of system (Section 1103. and a safety classification of A2. 4 80 26. These HFC refrigerants have a VERY high Global Warming Potential, or GWP. This refrigerant was designed as a replacement for R-134a in Class refrigerants toxicity level, which was determined. com. However, unlike R134a, which is a pure compound, R407C has a glide of 7 K, making it barely usable in small residential (household) equipment. 0 Liquid Density (70˚F, lb. The ODP, GWP, and safety classification of common refrigerants are as follows: Model. 2010 ANSI/ASHRAE Standard 15. Next. Apr 27, 2017 · The European Union MAC Directive has mandated that residential air conditioning and refrigeration must use refrigerants of GWP of 150 or less by 2015. 7 Critical Pressure (psia) 675. 3 kg or Less of Flammable Refrigerants may be used in Listed Equipment. 7 218 classifications are class 1, for refrigerants that do not propagate a flame when tested as per the standard; class 2, for refrigerants of lower flammability; and class 3, for highly flammable refrigerants such as the hydrocarbons. Jul 12, 2023 · R-513A is an ideal refrigerant for heat pump because manufacturers will go for a refrigerant that is non-flammable, non-toxic, has a low GWP and ODP, and is easy to produce. Sep 24, 2021 · ASHRAE Classifications. Refrigerants - Physical Properties. Benefits of using Freon™ 123 include: Low ozone depletion and excellent environmental properties. Delete current Figure 6. 5. 1444 (sat) 1. Low-pressure appliance. 1 74. Product Description. 36 bar. It is suitable for new and retrofit systems, offering an optimal balance of properties, including high energy efficiency and Refrigerant Management Requirements. Refrigerants are heavily regulated due to their toxicity, flammability and the contribution of CFC and HCFC refrigerants to of any particular refrigerant. Contrary to popular belief, your AC system isn’t actually cooling the air inside your home — it’s simply moving heat from indoors to outdoors, using refrigerant. The standard also identifies requirements to apply for designations and safety classifications for refrigerants, including blends, and to determine refrigerant concentration limits in addenda or revisions to this standard. 3 175 166 115 46. Instead, it refers to ASHRAE Standard 34-2010 which identifies safety classifications and Refrigerant Concentration Limit (RCL) for refrigerants. Medium GWP refrigerants are between 150 and 2,500. The three main flammability classifications are class 1, for refrigerants that do not propagate a flame when tested as per the standard; class 2, for refrigerants of lower The type of refrigerant in refrigeration systems having a refrigerant circuit containing more than 220 pounds (99. Plus, it’s pretty stable, so it doesn’t break down easily under normal conditions. Toxicity is divided into two classes – A for lower toxicity and B for higher toxicity. 6 kg) of any other group refrigerant shall not be changed without prior notification to the code official and compliance with the applicable code provisions for the new refrigerant type. Items Displayed in Red shows pressure in inches of Mercury. The toxicity chart is like a doctor’s prescription, telling us which refrigerants to use with caution. May 17, 2019 · The difference with a R-744 application is that its operating temperatures can exceed the critical point temperature. 2 High Pressure Refrigerants. Standard 15 Gives Rules based on Occupancy, System, & Refrigerant Classification. Freon™ 404A (R-404A) is a blended hydrofluorocarbon (HFC) refrigerant comprised of R-125, R-134a, and R-143a. Standard 15. R-410a is also classified as a A1 refrigerant, meaning it is among the safest to use. Front cover of ASHRAE Standard 34-2010 Refrigerant Reference Guide 63 National Refrigerants, Inc. 8° Fahrenheit) and 101 kPa (14. Making it’s debut in the early 2000’s it has quickly rose to power and will soon be the dominant refrigerant in the automotive industry. or e-mail info@refrigerants. 5% of R32, 45% of R125, 44. This refrigerant falls into the new classification of refrigerants known as Hydrofluoroolefin family. Proven R-11 replacement in chiller systems worldwide. Find listings for more than 160 refrigerants and refrigerant blends, including their number FOREWORD. Those Refrigerants that meet the definition of a compressed gas and have a minimum cylinder service pressure exceeding 3447 kPa gage. Front cover of ASHRAE Standard 15-2010 is reprinted with permission. In parallel to using the R22 PT chart, professionals will usually need to know some of the following R22 physical properties: R22 liquid density at -69°C: 1. 1); see text for discussion Molecular Formula Molecular formula for refrigerant CAS Reg. . 294 Jul 12, 2020 · R-513A is one of the newer refrigerants that falls under the Hydrofluoroolefins (HFO) refrigerant classifications. Although refrigerants can pose one or more of these risks, system design, engineering controls, and other techniques mitigate this risk for the use of 1 Scope. It’s about efficiency, longevity, and above all, safety and environmental impact. The probability of a refrigerant entering an Or download onto your own device. R-513A is intended for use in low and medium temperature refrigeration systems to replace R-22 and R-404A. , B1 or A2L). R-513A has a critical temperature of 96. It does not cover air conditioning and heat pump systems and it does not cover small (integral) systems which are within the scope of a product standard. 4. R410A and R744 B1 group refrigerants include R123 A2L group refrigerants include R1234yf and R32. While R-32 isn’t perfect it is a lot better then R-410A. 6. 73 0. 1 from AS/NZS1667. Dec 19, 2018 · XL41 is a blended HFO refrigerant is comprised of sixty-eight point nine percent R-32 and thirty-one point one percent R-1234yf. 125/143a. In the EU, low GWP refrigerants have a GWP of 150 or less. Normal boiling point greater than 20°C . ) or a heat of combustion greater than or equal to ASHRAE Standard 34, Designation and Safety Classification of Refrigerants, establishes a simple means of referring to common refrigerants rather than by their chemical name, formula, or trade name. This International Standard provides an unambiguous system for assigning designations to refrigerants. Mar 20, 2021 · R-410a is a blend of two HFC refrigerants that was developed to replace the use of R-22, an HCFC. 7%), and R-32 (24. 5) with tolerances of (±0. CARB maintains a list of GWPs for some common refrigerants. 1 Classification. Other alternatives, which are available for use in new equipment, may be incompatible with existing equipment designs Sep 18, 2023 · Refrigerant PT charts are graphical representations that display the relationship between the pressure and temperature of a specific refrigerant. lb. This numbering system has been standardized. That is why we are beginning to see a rise of usage of R-32 in the European Union and here in the United States as well. The majority of these requirements will be written into UL 60335-2-40 3 rd edition, ASHRAE 34 and ASHRAE 15 – 2019. 4 74. These products are normally packaged in drums. Chlorofluorocarbons (CFCs) This group is made up of refrigerants containing chlorine. 2). Refrigerant. Although the term “Freon” is often meant to be used Physical Properties Of R22. Clean Air Act defi nes proper management of refrigerants used in HVAC equipment, including maximum limits for fugitive emissions and proper handling requirements during service and repair of the equipment. Ammonia (NH 3), sulfur dioxide (SO 2), ethylene chloride are several examples. Common refrigerant blends that contain HCFC-22 included R-401A, R-402A, R-408A, R-409A, R-414B, and R-502A. 3. Flammable refrigerants: These refrigerants can Tables 1 and 2 list standard refrigerant designations, some properties, and safety classifications from ASHRAE Standard 34. R-507. R-22 refrigerant is the king and used widely in the residential and commercial markets followed by R-134A which is used in Refrigerant Reference Guide 62 5th Edition 2010 R-508B Technical Guidelines Replaces: R-503 and R-13 Applications: Very low temperature refrigeration (low stage of a cascade system) Perormancf e: • PT properties are very similar to R-503 and can be used to replace R-13 or R-503 in an existing system • Higher capacity and lower discharge A Next-Generation R-134a Refrigerant Alternative. They include 8. A1 classified refrigerants such as HFC R-407C and HFC R-410A have no flame propagation and low toxicity 1. ASHRAE assigns numbers and safety classification to the refrigerants based on toxicity and flammability data submitted by the refrigerant’s producer. 1 189 179 120 48. 6% of iPentane (R601A). 7th Edition 2020 R-450A R-450A Composition: R-134a/1234ze (42/58 %) Application: Medium and low temp refrigeration applications, appliances. SCOPE This standard provides an unambiguous system for Like ASHRAE standard 34, standard ISO 817 “Refrigerants —Designation and safety classification” provides an unambiguous system for assigning designations to refrigerants’ toxicity and flammability. Additionally, the refrigerant is environmentally friendly since it has a Global Warming Potential of 1774 and a zero Ozone Depleting Potential. Manufacturers recommend it as an R404A replacement because of several reasons. 1 89. 6 Critical Density (lb. R-123 and R-717) are typically limited to Refrigerant Pressure - Temperature Chart. For third-generation transitional refrigerants, the optional classification of 2L was created to indicate slight flammability. Pantone® Matching System, an international printing, publishing and packaging color language. 5/ 1. Standard used to identify this was the concentration at or below 400 parts per million (ppm). hydrochlorofluorocarbons. You may also see R-449A labeled as XP40 or under the brand name Opteon which comes from the Chemours company. Part Number. A refrigerant must satisfy many requirements, some of which do not directly relate to its ability to transfer heat. 2) Production of R12 or CFC-12 (Dichlorodifluoromethane) was halted by the clean air act on January 1, 1996. 6 92. Today, as I write this in October of 2017 there are approximately thirty Jun 9, 2022 · The refrigerant is a HFC blend consisting of five components. copeland. Heat capacity ratio at 86°F: 1. REFRIGERANT CLASSIFICATION: Toxicity designated as A or B is defined by the occupational exposure limit (OEL). We will discuss more about refrigerant blends in the next module. Last updated on September 11, 2023. org. The most common refrigerant today, R-22, has a 100-year GWP of 1,810, almost 2,000 times the potency of carbon dioxide, so just one pound This Guide covers the application of A2L refrigerants in refrigeration systems which are within the scope of EN 3781. 9-4 shows the grouping and classification of some common Jun 9, 2022 · R407A Refrigerant Facts & Info Sheet. 5/96. 0 4750 A1 Application: Large centrifugal chillers, open drive A/C, process cooling, high-medium-low temperature refrigeration (large and small systems) Lubricant Recommendation: Compatible Standard 34, Designation and Safety Classification of Refrigerants with Addenda. 3 85 29. 0 138 130 100 37. 3 Boiling Point (1atm, ˚F) -50. Section 608 of the U. 7%), R-1234yf (25. This distinction involves an intermediate fluid, heated or cooled by the refrigerant, that in turn heats or cools air in an occupied area through a second heat exchanger or a spray. 3 81. This addendum adds a designation of R-418A to the blend R-290/22/152a (1. 2 is designed to accommodate the use of A2L-classifi ed refrigerants in low-rise residential applications and is intended for use by manufacturers, installers, contractors, service technicians, building code officials Class A denotes refrigerants of lower toxicity, and class B denotes refrigerants of higher toxicity. That's our topic today, and boy, is it an important one. g. Pressure Temperature Charts Vapor Pressure in PSIG In Vacuum (inches in Hg) °F °C R-417C Liquid R-417C Vapor 60 15. It establishes a uniform system for assigning reference numbers ASHRAE Standard 15. 49 g/cm 3. Light Brown. Showing 1 to 22 of 22 entries. 3) R22 or HCFC-22 is a single component HCFC refrigerant with low ozone depletion potential. Chemical Abstracts Service Registry Number t m Normal melting point, in °C t b Normal boiling point, in °C at p = 101. Opteon™ XP10 offers an excellent capacity and efficiency match for R-134a in new and retrofitted systems, and an optimal Understanding the Refrigerant Toxicity Chart. Those Refrigerants with a normal boiling point greater than 20 C. Class B (higher chronic toxicity) refrigerant with an occupational exposure limit of less than 400ppm. '. 1. Jun 22, 2018 · R-22 is an HCFC refrigerant and can harm the Ozone layer. An A2L refrigerant requires a concentration of approximately Sep 11, 2023 · Medium-pressure appliance, or isolated component of such appliance, with a full charge of 200 pounds or more of refrigerant. 2 Vapor Density (bp. retrofitting of existing HCFC equipment requires a refrigerant of the same ASHRAE safety classification and would typically mean replacing the HCFC fluid with a hydrofluorocarbon (HFC)/hydrofluoro-olefin (HFO) blends. 66 kg/m 3. R-410A has a GWP of over two-thousand whereas R-32 has a GWP of only six-hundred and seventy-five. Refrigerant Container Color & Class by Refrigerant. Just so we’re all on the same page, I’m going to cover those quickly. It also known under the Chemours Opteon brand name of XP10. Industrial refrigeration. 6 162 153 110 43. Retrofit replacements require the technician to change the system’s components, including the lubricant An R-123 Refrigerant Replacement for Low-Pressure Centrifugal Chillers. (HCFCs). One of the biggest attractions of R-454B is the savings in whats known as Global Warming Potential, or GWP. Physical Properties of Refrigerants R-448A Refrigerant Classification HFC Molecular Weight 86. 6 73. Refrig. This comprehensive Pressure/Temperature calculation tool provides several unique features designed to make the HVAC/R technician’s job easier. Apr 25, 2024 · This page provides information on compounds recognized as ozone-depleting substances (. 1. Carbon Dioxide’s critical temperature is just under eighty-eight degrees Fahrenheit. Higher pressures Jun 22, 2015 · R-32 + R-125. The same is true of new automobiles by 2017. Oct 10, 2017 · Refrigerants in this classification indicate that they are highly flammable as defined by a lower flammability limit of less than or equal to 0. 3 388 34. 8 150 141 105 40. Fig. 3%), R-125 (24. 4. Modify Section 6 as follows. For each ODS, this page provides the compound’s A time horizon of 100 years is used by regulators (e. 4 117 109 90 32. The ODS are split into two groups under the Clean Air Act: Class I ODS, such as. SAFETY GROUP CLASSIFICATIONS. 3 Liquid Refrigerants. 4 66. R22 gas density at 15°C: 3. While these blends are not listed among the 34 controlled HCFCs, they are subject to the same rules because they contain Class II ODS. R-1234yf is intended for automotive air conditioning systems, some other R-134a applications, and it is a component in some HFC blends to help lower the overall GWP. Refrigerant Designations Ammonia industrial refrigeration system. Carbon dioxide (CO 2 ), water (H 2 O), R-11, R-12 are few examples to safe refrigerants. Contact Us. 2% of R134A, 1. It is not a complete design guide. tions as specified in Section 6. Items Displayed in Black shows pressure in pounds per inch gauge. Toxic refrigerants: These refrigerants can be harmful to health of people if people were exposed to such kind of refrigerants. 3%). Examples of Chlorofluorocarbons are R11, R12, and R115. Data points are reproduced based on available information. No. com Testing of all halocarbon refrigerants shall be in accordance with the Annex of ASTM E681. The “mildly” in the name is significant. 25 mm Hg absolute. The refrigerant should also have a critical temperature below/ around 100 o C. Freon™ 123 refrigerant is a hydrochlorofluorocarbon (HCFC) replacement for the chlorofluorocarbon (CFC) R-11 in centrifugal chillers. /ftˆ3) 0. Although there are classifications, there are extreme ambient conditions which, coupled with the refrigerant Jan 26, 2004 · The A1, B1, A2 and B2 refrigerants were those contemplated for use in indirect systems, such as those using chillers. Dec 5, 2023 · Refrigerants are substances used in refrigeration systems to absorb heat from one area and release it in another. 2093 0. /ftˆ3)105 68. Apr 21, 2020 · R-449A XP40 Basic Info. 9 203 193 125 51. It can also be used to retrofit R-22-based blends such as R-402A/B and R-408A. 6 Critical Temperature (˚F) 182. It has a low boiling point, making it ideal for cooling. May 16, 2017 · In practice, the flammability and toxicity and classifications are combined to indicate the general safety of the refrigerant. 2. ASHRAE uses a refrigerant classification system based on each refrigerant’s toxicity (A and B) and flammability (traditionally 1, 2, and 3). These were the commonly used refrigerants back in the days before they were banned in the early 90s for their negative environmental impact. Revised Table 2 and Appendix B incorporate editorial changes identified in the February 7, 2002, Errata Sheet and additional changes from Addendum a and Addendum b to ANSI Jun 28, 2018 · Addendum g to Standard 34-2016. Before 93 we used R-12 for our vehicles and now, as I write this article in 2018, there is a push to phase This blend combines HFC and HFO components that produces a lower GWP than traditional HFC products. com The table is sortable by each of the following refrigerant properties (scroll right or reduce magnification to view more properties): Type/prefix (see legends) ASHRAE number; IUPAC chemical name; molecular formula; CAS registry number / blend name; Atmospheric lifetime in years; Semi-empirical ozone depletion potential, ODP (normalized to be 1 The correct refrigerant selection is as crucial as wearing the right shoes for a marathon. www. 30R513A. They include R-32 (difluoromethane), R-125 (Pentafluoromethane), and R134A, also known as 1, 1, 1, 2- tetrafluoroethane. The following table provides an overview of ASHRAE’s Standard 34 refrigerant safety group classification. Jul 1, 2018 · R-134a is the most commonly used refrigerant for automotive applications rather it be your twenty year old Toyota Camry or your Kenworth T-200 semi-truck. ASHRAE Standard 34, Designation and Safety Classification of Refrigerants, establishes a simple means of referring to common refrigerants rather than by their chemical name, formula, or trade name. This chart has the refrigerant names, toxicity classes, and other important details, kind of like a nutrition label on your food. In this case, A2L has lower flammability and toxicity compared to other classifications—making it the second safest refrigerant category. It also establishes a system for assigning a safety classification to refrigerants based on toxicity and flammability data, and provides a means of determining the refrigerant concentration limit. ODS. 7% of Butane (R600A), and 0. S. R407C is, like R134a, thermodynamically similar to R22 and works as a "drop in" refrigerant. 10 kg m -3 Mar 20, 2019 · The higher the GWP the more harm the refrigerant does to the climate. Available for iOS and Android devices: For more information, call 800-262-0012. Its properties make it ideal for use in display cases, refrigerated vehicles, ice makers, and other applications. Critical pressure: 49. 1 Refrigerants shall be classified into safety groups accord-ing to the following criteria. A1 group refrigerants include R22, R404A. ©ASHRAE, www. Components of the Toxicity Chart. The refrigerant (also known as Solstice N40) is a product of Honeywell and has become as a suitable alternative replacement for R-404A , R-134A, R-507, and R-22 refrigerants. ANSI/ASHRAE Addendum ak to ANSI/ASHRAE Standard 34-2007. 0 90. 5) ± ±. 0 75 23. Retrofitting R-12 or blends used to previously retrofit R-12 systems Performance: Similar capacity and efficiency to R-12. Reading and Interpreting the Chart Aug 23, 2023 · Some HCFCs, like HCFC-22, are also a component in refrigerant blends. HFO’s, or hydrofluoroolefins, are a new classification of refrigerants that aim to take the place of the commonly used HFCs. The tables contained on this page list approved refrigerant numbers from ANSI/ASHRAE 34-2022, Designation and Safety Classification of Refrigerants, the latest edition of Standard 34. Meanwhile, toxicity classification considers two classes (A and B), based on allowable occupational exposure: Class A (lower chronic toxicity) refrigerant with an occupational exposure limit of 400ppm or greater. ASHRAE assigns numbers and safety classification to the refrigerants based on toxicity and flammability. SSPC 34 is responsible for maintaining ANSI/ASHRAE Standard 34, Designation and Safety Classification of Refrigerants. R-1234yf, or HFO-1234yf is soon to be one of the most popular refrigerants in the world. gh mm ys bm lx qy mm uq gv ck