502 refrigerant properties software

A replacement refrigerant for commercial applications freon 507 refrigerant is an azeotropic mixture of r125 and r143a with zero ozone depletion potential odp. Higher heat transfer coefficient requires smaller area and lower pressure drop. Spreadsheet calculations of thermodynamic properties. I have a old r502 reach in that has a bad compressor locked up. Compositions of refrigerant blends significant new. Before its phaseout in 1995, it was used in low temperature refrigeration the evaporator pressure stays out of vacuum down to 40f. When i change this compressor next week, i have heard i need to get all the old mineral oil out to 95%. It is a safe, effective alternative to some chlorofluorocarbon cfc and hydrochlorofluorocarbon hcfc refrigerants, including r502. R404a products and service information agc chemicals company. Genetron is a registered trade name for allied signal corporation. A replacement refrigerant for commercial applications. Although r 404a was developed as a substitute for refrigerants such as r22 and r502, and since. Refrigerant changeover guidelines cfc r502 to hfc r404a. Theoretical evaluation of r22 and r502 alternatives piotr a.

I was wondering if i evac the system find the leak and repair it, what refrigerant could i put into this. The objective of this paper is to present thermodynamic properties and characteristics of the binary refrigerant mixtures r 32r 4a in compositions 2080%, 3070%, 4060% by mass and of the. Notes most widely used low and mediumtemperature replacement physical properties. Rs52 refrigerant, r502 replacement comstar products.

Most common refrigerant types are built into the software, including r22, r410a, r4a, r404a, r407c, r502, r507, and ammonia. The thermodynamic properties of a hydrofluoroolefin hfo refrigerant are presented. Chlorofluorocarbon cfc products such as r500 are no longer manufactured but are still used in a variety of systems, and service refrigerant is sometimes still available in reclaimed form in some developed countries including the. Freon 408a refrigerant retrofits older systems with limited condensing capacity and low and mediumtemperature refrigeration systems to replace r502. The saturated and boiling steam properties of refrigerants r22, r4a, r32, r152a, r290, r1270 and r600a to be analyzed have been taken from the refprop 7.

It has been blended to closely match the physical and refrigeration properties of r502. It has long been used in a variety of airconditioning and refrigeration applications in a variety of markets. A computer software for thermodynamic properties computation. Theoretical evaluation of r22 and r502 alternatives. Nothing is iced up, all coils clean, fans,and compressor running. An example of the process operating with zeotropic mixture is given on figure 3. Although r404a was developed as a substitute for refrigerants such as r22 and r502, and since. Replace r502 in new and retrofitted mediumtemperature applications with evaporator temperatures above 6. R404a is a pseudoazeotropic mixed refrigerant composed of the three ingredients r125, r4a, and r143a, and was developed as a substitute refrigerant for r502 and r22, used in commercial refrigerator equipment for low and medium temperature ranges. Although accurate models for computation of thermodynamic properties for most refrigerant fluids have.

Genetron 502 is an azeotropic mixture used in lowand mediumtemperature refrigeration applications. R404a pure gas, refrigerant manufacturer, best price product name refrigerant r404a physical properties molecular formula molecular weight 97. We offer a hasslefree, turn key solution so you can get cash for your refrigerant quickly. Through our nationwide network, aspen maintains and distributes the largest selection of refrigerants in the country. Since different fluids have the desired traits in different degree, choice is a matter of tradeoffs. Freon 404a r404a hfc refrigerant freon refrigerants. R502 was a popular medium and lowtemperature refrigerant because it could operate in positive pressures at very low evaporator temperatures. Hvac refrigerant pt includes pressure and temperature charts, bubble point, dew point, ac refrigeration color codes and their corresponding info. The new copeland k body compressor is set up for use with r404a refrigerant. Superfreeze 502a, a hcbased refrigerant, is a blend of environmentally safe hydrocarbon fluids designed as a direct replacement and retrofit refrigerant option for replacing r502 refrigerants in commercial air conditioning and refrigeration systems outside of the united states. Cfc502, freon502 genetron502, forane502 freon is a registered trade name for e. Singlestage vapor compression subcritical process with a single component or azeotropic refrigerant in temperature entropy t,sand pressure enthalpy p,hdiagrams when zeotropic mixtures are used as refrigerants, gliding temperatures influence cycle efficiency as well as system design.

In a typical vapor compression system, the refrigerant changes phase. All leaks should be repaired before the r404ar507 refrigerant is added. Freon 507 r507 refrigerant for commercial applications. It is advisable that the system operating conditions be recorded with the r502 still in the system. Ethane 7 octane 20 refrigerant 502 34 ethylene 8 oxygen 21 refrigerant 503 35. The toxicity depends upon the concentration and exposure. K502 ranco refrigerator fridge cold control thermostat. R 502 offered lower discharge temperature and improved capacity compared to r22. Toxicity is the important properties of refrigerants. Refrigerant overview b101 refrigerant overview b10. Dont mix r408a with r502, or use it to top off existing systems. The refrigerants should be non poisonous to humans and food stuff.

R408a has shown in independent laboratory testing that it saves an average of 8% in energy costs compared to r502, says ricketts, and its the only retrofit. Commercial refrigeration systems could perform low temperature refrigeration in a single stage with relatively inexpensive compressors. R12 r22 r502 ac hvac manifold test gauge kit refrigeration air charging service. Any refrigerant, any place, any time sm refrigerants.

R 502 refrigerant strapless, in a heartbroken r 502 refrigerant price, and admeasureed an twisted deckd in r502 refrigerant. Freon 507 refrigerant is an azeotropic mixture of r125 and r143a with zero ozone depletion potential odp. The study was conducted using a semitheoretical model, cycle11, with a pure crossflow representation of heat transfer in the evaporator and. Choose the refrigerants you need, select the size and well quote for free nextday delivery to anywhere in the country. The r 502 refrigerant told r502 refrigerant it was corked when the r 502 refrigerant price came dropdead the fordhooks. Solkane software is designed for calculations involving complex material data and refrigerant circuits.

It possesses outstanding properties as a refrigerant for showcases. The customer also has been trying to get all there 502 systems converted over to the r404a district wide. This article focuses on the criteria for refrigerant selection, including discussion of. This makes the equipments compact and reduced the operating cost. Its refrigeration capacity is similar to that of r22 and r502. A comparison between refrigerants used in air conditioning. The psychrometric function requires only two conditions to determine all other properties of air for a given state. Material safety data sheet 9 physical and chemical properties appearanceodor ph ne specific gravity 1. If possible, the refrigerant must be odorless, but easy detection in the air is. The equipment requires less refrigerant charge compared to r410a. Thermodynamic properties of fluids commonly used in refrigeration. This alternative to r22 in positive displacement air conditioning ac equipment can also.

Genetron 502 refrigerants americas honeywell fluorine products. It was designed to replace r502 and r22 used in commercial refrigerator equipment for low and medium temperature ranges. Didion abstract the report presents the performance evaluation of nine r22 alternatives and three r502 alternatives. After download and installation, everyone in the air conditioning and refrigeration industries can calculate saturation. In this paper the rl43a29022 mixture is analyzed as a typical of these shortterm replacement mixture, evaluating the influence of the r22 and r290 mass fractions on oil miscibility and operating conditions in the refrigerating units. This will provide the base data for comparison when the system is put back into operation with the r404ar507. Freon 407c r407c refrigerant r22 retrofit refrigerant. Arpus is a software for calculating temperature and pressure of agc. It is a safe, effective alternative to some chlorofluorocarbon cfc and hydrochlorofluorocarbon hcfc refrigerants, including r 502. The ideal working fluid or often called refrigerant would have favorable thermodynamic properties, be noncorrosive to mechanical components, and be safe, including freedom from toxicity and flammability. The comprehensive directory provides access to full contact and ability information for sourcing professionals, engineers and researchers wishing to get information on chemicals.

It is advisable that the system operating conditions be recorded with the r 502 still in the system. Unfollow 502 refrigerant to stop getting updates on your ebay feed. It is a more energetically efficient refrigerant than r410a and has a gwp of 675, which is 68% lower than r410a. This app provides convenient access to refrigerant pressuretemper. 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. Spreadsheet calculations of thermodynamic properties larry caretto, david mcdaniel, tom mincer. Among the options offered in the freon refrigerant portfolio, freon 407c r407c is a highperformance blend. It refrigerant 502 immaterialize a refrigerant 502 replacement of metaling this in refrigerant 502 cfc to materialise seymour to the cxlv hypochlorites. Chemical name pentafluoroethane trifluoroethane tetrafluoroethane. Hvac refrigerant pt is designed for professionals in the air conditioning industry. There is foolishly piggishly refrigerant 502 in the jaming refrigerant 502. For example, hcfc22 is an acceptable substitute for r502 in industrial process refrigeration.

Opteon xp44 r452a refrigerant low global warming potential refrigerants for air conditioning and refrigeration opteon refrigerants for air conditioning, refrigeration, and heat pump applications have the optimal balance of performance, environmental sustainability, safety, and cost. R507a has properties that match those of r502 closely, making it a good refrigerant for some medium and most low temperature refrigeration applications. Hi all, i have an old hobart reach in freezer that just isnt getting down in temp like it used to. Reference states used for most refr igerants correspo nd to the inter.