The use of r290 is increasing due to its low environmental impact and excellent thermodynamic performance. The gwps of commonly used hfcs can range from global warming potential gwp is a measure. Low global warming potential refrigerants r1234zee and r1234zez are anticipated to be the refrigerants of choice for hightemperature heat pump systems in industrial applications. The decision to use the low gwp refrigerant r1234yf in mobile air conditioning systems for passenger cars low gwp hfo refrigerant r1234yf also led to the development of alternatives for further mobile applications as well as stationary refrigeration, air conditioning and heat pump systems. Opteon xl41 provides the lowest gwp alternative to r. Catalogue complet au format pdf climalife mafiadoc. Indicateurs pour les differents fluides 10 dissertation. Fluidi refrigeranti, refrigeranti, refripro, numero ashrae. It can be expected that the final product mix will include many products that use an ultralow gwp fluid together with some products that have a higher gwp. Moderate hfcs gwp gwp 150 to 1,000 low hfcs, hfos and naturals gwp.
Pae du pays du mont blanc 102, rue georges toussaint bp 22 74190 passy telephone. In both systems, r600 is selected as working fluid due to its low ozone depletion and global warming potential and high cop en and cop ex that can be obtained by selecting this working fluid in. Ils presentent des alternatives a faible gwp qui reduisent limpact. Energy efficiencies with xp10 were close to those of r 4a, resulting in an 0. This work introduced r 466a, a replacement for r410a that fulfills regulations gwp global warming potential. Gwp 70 since the directive 402006 prohibits charging in mobile airconditioning systems for new platforms as of 2011 and complete prohibition for new vehicles as of january 2017. The higher the gwp value, the more that particular gas warms the earth compared to carbon dioxide. The crada partner will develop next generation of low gwp refrigerants to be evaluated at ornl. Xp10, a lowergwp refrigerant gwp of 600 650, was measured at full and partload conditions in a centrifugal chiller designed for r4a. The co2 equivalent data is shown on the serial plate i according to regulation ec 12722008, r4a and r404a gases are nonflammable and nontoxic. Ozone depletion potential odp of a chemical compound is the relative amount of degradation it can cause to the ozone layerglobal warming potential gwp is a measure of how much a given mass of a gas contributes to global warming. For example, according to the ipcc 5th report, gwp677 r32 or gwp466 r454b are valid substitutes for r410a, which has a gwp of 1900, lowering the impact by or more, since the volumetric efficiency of r32 is higher than that of r410a.
Update on next generation low gwp refrigerants for. R417a is the zero odp replacement for r22 suitable for new equipment and as a dropin replacement for. The gwp global warming potential of the hfc r4a gas is 1430 and of the hfc r404a gas it is 3922. Les fluides r407a, r407f, r448a ou r449a ne doivent etre melanges avec aucun autre fluide frigorigene. During the phaseout of ods we have seen various highly flammable fluids successfully and safely introduced into a range of different markets. See kigali fact sheet 3 for further details about the range of gwps for existing and future technology options. Fact sheet 18 june 2015 35 however, the main problem arises from using co 2 as the reference gas because of the very long tail on its atmospheric lifetime. The gwp of r1234yf 4 is much lower than r4a 1430, and this is one of the reasons why it has been selected by most of the car industry as the replacement for r4a in europe for automotive ac. For several refrigerants bitzer can deliver predicted performance data upon request.
Rapid recovery paul hawkens book drawdown looks at a number of strategies that would reverse the buildup of atmospheric carbon within thirty years. Based on careful analysis, his team concluded that the numberone action we can take to reverse. Refrigerants that have a modest gwp can be sufficient for bringing down emissions. Tout climatiseur split fonctionnant au r410a ou r407. Cette methode est adaptee au refrigerants zeotropes. Cpi fluid engineering is committed to partnering with industry stakeholders to navigate these challenges. Hfos could allow use of current technologies minimizing conversion cost for the industry. Pdf thermodynamic analysis of hydrocarbon refrigerants in a. Cette remarque vaut surtout pour les installations a alimentation seche des evaporateurs.
Common refrigerants and their ozone depletion potential odp and global warming potential gwp are indicated below. Opteon refrigerants for air conditioning, refrigeration, and heat pump applications have the optimal balance of performance, environmental sustainability, safety, and cost. Neue kaltemittel in bitzer verdichtern new refrigerants in. R410a is a binary blend of hydrofluorocarbon or hfc compounds 50% of r32 and 50% of r125 no chlorine content, no ozone depletion potential. The refrigerant range has become much broader with the new fgas regulation 5172014 which promotes the transition to lower gwp refrigerants. Teqco2 charge refrigerant kg x gwp teqco2 9,48 tonnes 14 x 677 r32. Type refrigerant gwp group material oil hfc r32 675 a2l known r125 3500 a1 known r4a 1430 a1 known. Indeed, next to energy efficiency, one of the key criteria of refrigerant choice is now the gwp. Froidfrigoriste les basesretour dexperience youtube. Selecting and using gwp values for refrigerants page 3 this is why 100 year time horizon was selected to provide an appropriate compromise between short and long term effects. Recovering highgwp refrigerant from decommissioned hvac equipment is a critical component of mitigating climate change. Global warming potential, or gwp, is a measure of how. R1234yf is an important ingredient in the most promising lowgwp hfc blends. Opteon refrigerants for stationary ac and heat pumps.
Vendeurs des freons, vente des fluides frigorigenes machines thermique, cycle frigorifique rendement des machines thermiques. Stationary air conditioning and heat pump systems running through modern buildings need to deliver top performance and low global warming potential gwp. Aspects on the development of hfo and hfohfc refrigerants. Low global warming potential refrigerants for air conditioning and refrigeration. R409a forane fx56 r409a, also known as forane fx56, is an hcfc blend designed for retrofitting r12 systems.
The so called low gwp refrigerants were and are being developed as environmentally and climate friendly refrigerant variants. With their low gwp global warming potential these refrigerants do not or only barely contribute to the global warming. Uncertainties of gwp values why they have changed over time gwp values have been refined over the past two decades with the development of atmospheric science. Gwp 1824 2107 28 0% 20% 40% r407c r427a r422d 60% 80% 100% production frigori. One can deduce that the 150 gwp threshold by the same directive 402006 can be considered as low. R4a 1430, a1 fluide frigorigene gwp, classement ashrae fluide. Therefore, it has been added to all new refrigerants under applications in the table below. The most lower gwp refrigerant mixtures are having components appearing in table 1. Opteon refrigerants deliver the performance and low gwp needed across all stationary ac and heat pump applications. The listed components are known and tested for compatibility by bitzer. Les fluides frigorigenes sontils nefastes pour lenvironnement. Fluide gwp r32 675 r4a 1430 r404a 3922 r407a 2107 r407c 1774 r407f 1850 r410a 2088 r422d 2729 r437a 2550 r507a 3985 r1234yf 4 r1234ze 7 7,4 3,5 1,3 2,4 2,8 2,7 2,4.
Highgwp refrigerants california air resources board. Les gwp des fluides afce alliance froid climatisation. Doc fluide frigorigene christian harizo andriamahefa. Low gwp refrigerants r1234zee and r1234zez for high. Le gwp des autres fluides est donc exprime en kg equivalent co2. Liste des principaux fluides frigorigenes liste non exhaustive.
1512 1085 371 1620 1206 162 750 364 704 453 150 1329 933 1214 169 17 1372 38 1238 731 388 585 853 811 1467 181 252 399 512 1119 1567 709 2 1280 138 456 1331 667 1157 727 451 1212 782 1195 907