This material is considered hazardous by the osha hazard communication standard 29 cfr 1910. May 05, 2014 we recently looked at r407a, r407f and r442a, all potential retrofit blends for r404a, but while they might serve as a short to mediumterm solution, their gwps of around 2,000 means they may not be a longterm answer. More than an alternative gea bock compressors for the new refrigerant r407f gea, october 2012. Properties of r744 carbon dioxide is a naturally occurring substance. We offer many more refrigerant calibration gas mixtures upon request. It is chemically stable, has good thermodynamic properties, low environmental impact and very low toxicity. Due to a higher efficiency than r404a, a 50% lower gwp and its uage possibility as a dropin solution regarding the retooling of a r22 plant, r407f is an interesting refrigerant for commercial refrigeration. R407c is an hfc blend designed to have similar properties to r22 in air conditioning systems. It is a blend of r32, r125 and r4a, and is related to r407c, but has a pressure which better matches r22, r404a and r507. Genetron performaxtm lt, r407f thermodynamic properties. R407a is an hfc blend that is suitable for use in low and medium temperature refrigeration applications, such as those used in commercial refrigeration, and is an ideal retrofit solution for many existing r404a systems. The physical parameters include density, enthalpy, entropy, saturation pressure, specific heat capacity, viscosity and so on. This information has been fully checked for accuracy but is a guide only contact realcold staff for more information temp oc r12 r4a sp34e r409a r22 r410a r419a r407c r502 r404a r408a r507 kpa psig kpa psig kpa psig kpa psig kpa psig kpa psig kpa psig kpa psig kpa psig kpa psig kpa psig kpa psig. Based on uncertainties of one percent in the specific heat data, the uncertainty of thermal properties also is taken to be 1 percent.
R407c is a zeotropic hfc refrigerant blend rated a1 by ashrae lowest levels of toxicity and flammability, having zero ozone depletion potential and a global warming potential of 1774. Supermarkets tackle their carbon footprint acr today, february 2011. Genetron performaxtm lt, r407f serves as a nonozone depleting replacement for r22 in various commercial refrigeration applications, particularly in low temperature applications. The physical properties of a fluid largely determine its suitability for use in a given application. The data of the site are in good agreement with the national bureau of standards nist, which contains more than 2000 kinds of substances. Although one of its components, r32, is flammable, the overall mixture composition is formulated so that. Oxygen not included general discussions topic details. R407c should be used only in systems that currently use r22. The determination of the equilibrium composition and the thermodynamic properties of the products of cyanogenoxygen combustion is important in studies where a hightemperature research tool is used. Freon 407f is ozonefriendly replacement for r 22 in new residential and commercial systems, stationary cold air, heat pumps and cooling systems, as well as for retrofitting r 22 in existing equipment. R407f, also known as genetron performax lt, is an hfc blend that is suitable for use in low and medium temperature refrigeration applications such as those used in commercial refrigeration. The composition and thermodynamic properties of the. Thermodynamic and related properties of oxygen from the triple.
The present study is concerned with properties of possible alternatives to the fully halogenated chlorofluorcarbons, a class of compounds widely used as working fuids. However, the superheat setting must be checked and may have to be readjusted after the system is put. Can someone please explain what this means, i know it means it reacts to heat. Technical r407c data sheet features and uses of r407c r407c is a ternary mixture nonazeotropic composed of r32, r125 and r4a. Solvay fluor gmbh solkane407c thermodynamics release 1. It is produced during respiration by most living organisms and is absorbed by plants. Gas phase reaction kinetics of neutral oxygen species, nsrdsnbs 20 45 cents. System pressures, mass fluxes and inlet qualities range from 0. Thermodynamic properties of ammonia as an ideal gas, nsrdsnbs 19 20 cents.
Steady state and dynamic simulation and optimization are a key step in the design of heating, ventilation, air. R407f r32 r410a r407c r4a 0 500 1500 2000 2500 3000 3500 4000 r125 r32 r4a r125 gwp r407f a lower gwp alternative to r404a r407f is a refrigerant developed by honeywell. Oxygen transport and thermomechanical properties of srfe. Dissolved oxygen thermo fisher scientific australia. Effects of iron and chromium on the dynamic properties of oxygen in liquid leadbismuth eutectic alloy article pdf available in corrosion science january 2017 with 162 reads how we measure. Iupac pure fluids propylene, chlorine, oxygen and nitrogen and.
It is also produced during many industrial processes, in particular when fossil fuels such as coal, gas or oil are burned to. Dichlorodifluoromethane properties properties of saturated liquid dichlorodifluoromethane r12 ccl 2 f 2 density, specific heat capacity, kinematic viscosity, thermal conductivity and prandtl number. Request a quote for a product and we will provide a price and create a part number for future purchases. Pvt, thermodynamic and related properties of oxygen from the triple. Version 7 of the nist refprop reference fluid thermodynamic and transport properties database is described. Thermochemical characteristics of r4a flow boiling in. Calibration refrigerant gas is intended for use in calibrating refrigerant gas detection equipment only. Dynamic light scattering dls has been used for the measurement of several thermophysical properties of the refrigerant mixtures r417a 50 % by mass 1,1,1,2tetrafluoroethaner4a, 46. First copeland scroll compressors for r407f emerson, september 2012.
It is also used in medium temperature refrigeration systems. It should not be mixed with r22 or any other refrigerant. Safety data sheet refrigerant gas r407f version 1 revision date. Table a16 properties of the atmosphere at high altitude table a17 idealgas properties of air table a18 idealgas properties of nitrogen, n 2 table a19 idealgas properties of oxygen, o 2 table a20 idealgas properties of carbon dioxide, co 2 table a21 idealgas properties of carbon monoxide, co table a22 idealgas. Request pdf a thermodynamic analysis of refrigerants. The characteristics of r4a heat transfer coefficients and wall temperature distribution were investigated under low mass flux and low pressure conditions in a helically coiled tube with heated length of 7070 mm, outer diameter of 10 mm, inner diameter of 7. Sensor unit mc2 with analog output for freon gases and. The largest and most comprehensive collection of thermodynamic data on carbon dioxide ever produced, this volume is now the only book of its kind in print. This figure compares the results generated from coolprop and those generated from refprop. Box 1053 morristown, new jersey 079621053 for more information call us at 180063188 or visit us at.
It is rugged and dependable, making it ideal for every sample, every day, everywhere. Prolonged exposure to an oxygendeficient atmosphere may be fatal. Generalized multiparameter correlation for nonpolar and polar fluid transport properties. Refrigerant report contents essential revisionssupplements vs. Creard r407h as replacement for r22 in usbased cold storage conversion of a new yorkbased fruit storage facility from r22 to creard r407h. Generating and detecting reactive oxygen species focuses on these probes and their applications in vitro and in vivo. R407f is also the best performing lower globalwarming. Boiling pointdew point, latent heat of vaporization are saturated properties, just enter one parameter to calculate them. Calculated properties is as follows property unit r404a r407f actual entropy at comp discharge kjkg k 1. Thermodynamic properties of argon from the triple point to 300 k at. A theoretical development of the thermodynamic properties of two mixtures of hydrofluorocarbon hfc refrigerants, i.
Npss refprop thermodynamic property package user guide. Forane r 407c fire and explosive properties of this material may reduce the available oxygen for breathing. Compared with previous versions, the database includes additional fluids and mixtures including ammoniawater mixtures, improved property models, additional properties, increased calculational speed, an enhanced user interface, and. Appendix b log ph diagrams for refrigerants experts in brazed plate heat exchangers swep is a worldleading supplier of brazed plate heat exchangers for hvac and industrial applications. A wide variety of r407f refrigerant options are available to you, such as grade standard. Carbon dioxide thermodynamic properties handbook wiley. Standard thermodynamic properties of chemical substances continued molecular. Download pressure temp chart pdf download pressure enthalpy chart pdf download safety data sheet pdf r600a. Printed in usa 2010 honeywell g525002 1010 mp39 mp66 409a 422d f c 124 4a 12 bubble dew bubble dew bubble dew bubble dew 2240 40 22.
Molecular probes has available several probes that either generate or detect various reactive oxygen species, including singlet oxygen 1o2, superoxide o2, hydroxyl radical ho and various peroxides roor and hydroperoxides rooh. Performance limits of the vapor compression cycle this paper explores the. We recently looked at r407a, r407f and r442a, all potential retrofit blends for r404a, but while they might serve as a short to mediumterm solution, their gwps of around 2,000 means they may not be a longterm answer. Thankfully, there are a number of other even lower gwp options. The thermodynamic properties in the superheated vapour state of the ternary zeotropic r407c and binary nearazeotropic r410a have been derived in closedform as functions of temperature and specific volume in the first part of this work although the martinhou equation of state is explicit in pressure see eq. Twotemperature thermodynamic and transport properties of. The combustion products pro duced carbon monoxide and nitrogen for a stoichiometric 11 mole ratio flame. The low gwp refrigerant r407f for highly efficient and. Gea refrigeration technologies has now approve d bock hg and ha compressors for operation with r407f.
R407f is a zeotropic hfc refrigerant blend, which is rated a1 by ashrae lowest levels of toxicity and flammability, having zero ozone depletion potential and a global warming potential of 1825. Thermodynamic properties of fluid oxygen at temperatures to 250 k. R407a is an hfc blend that is suitable for use in low and medium temperature refrigeration applications, such as those used in commercial refrigeration, and is an. With carbon dioxide sequestration gaining in popularity around the world in the scientific and engineering communities, having this data in an easytoaccess format is more useful and timely than ever.
Pdf properties of refrigerants from cubic equations of state. They are all results obtained in the form \yt,\rho\, where \y\ is the parameter of interest and which for all eos is a direct evaluation of the eos. Thermally reactive oxygen not included general discussions. The thermodynamic properties of nitrogen and oxygen including some data on their mixtures such as viscosity, vaporliquid equilibrium ratios, dew. Latent heat of vaporization are saturated properties, just enter one parameter to calculate. New features of refprop version 10 enhancements have been made to most areas of the nist refprop program, including the nistequations of state for many of the pure fluids and mixtures, the transport nistequations, the graphical interface, the excel spreadsheet, the fortran files i. R407f is is a zeotropic refrigerant blend of r125, r32 and r4a. It is an ideal retrofit solution for many existing r404a systems, offering a substantially lower carbon footprint due to its lower gwp and improved. Orion star a326 phdissolved oxygen portable multiparameter meter. Safety data sheet refrigerant gas r407f national ref.
Thermodynamic properties of fluid oxygen at temperatures to 250. Download pressure temp chart pdf download pressure enthalpy chart pdf download safety data sheet pdf r407c hfc blend commonly used as a replacement for r22 in medium temperature applications. From ph chart or refpro software we get the properties of refrigerants values of refrigerants. Exposure controls insufficient oxygen, in cases of uncontrolled emissions and in all circumstances where standard respiratory protection does not provide adequate protection. Characteristics are close to the r 22 used by most manufacturers. Creard r407h as replacement for r404a cold storage, air food s. R407c and r410a in the superheated vapour state, is carried out. Both refrigerant mixtures are designed for a replacement of.
Genetron performax retrofit guidelines english sept. Properties and performance r407c is designed to meet the needs of many new and existing air conditioning and refrigeration systems. The thermo scientific orion star a329 phiseconductivitydissolved oxygen portable multiparameter meter is the top choice for complete sample testing anywhere. R407cpsltt r407cpsvtt r407c t sl p p r407c t s vp p r407cdsltt r407cdsvtt r407chsltt r407chsvtt r407cssltt r407cssvtt r407ccpsltt r407ccpsvtt r407ccvsltt r407ccvsvtt r407csurftenstt. The capacity of the existing r22 thermal expansion valve tev will be approximately the same when using r407c. Since r407f is a close match to r22, it also serves as a retrofit fluid in applications where r22 is used. Properties and performance r407f is designed to meet the needs of many types of new and existing refrigeration systems. Properties r410a a average molecular weight gmol 72. Use only respiratory protection the conforms to international national standards. R407f, also known as genetron performax lt, is an hfc blend that is suitable for use in. When pressurised with air or oxygen, the mixture may become flammable or reactive under certain conditions. Thermophysical properties of the refrigerant mixtures. The fundamental equation is valid for thermodynamic properties of oxygen from the freezing line to 300 k at pressures to 80 mpa. Hfc blend with significantly lower gwp than r404a, suitable for low and medium temperature applications.
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