List important thermodynamic and environmental properties influencing. If you find this website valuable and appreciate it is open and free for everybody please contribute by. The practice of refrigeration undoubtedly goes back as far as the history of mankind, but for thousands of years the only cooling mediums were water and ice. Diagnostic equipment free delivery possible on eligible purchases. Guidelines for the use of hydrocarbon refrigerants in. Identifying alternative refrigerants with mineral or. 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. A wide variety of r502 refrigerant options are available to you, such as agriculture grade, industrial grade, and electron grade. Safety data sheet file no incoming sds r502 00 sds date.
This helps to prevent corrosion and improves cooling capability by reducing harmful moisture in. For example, hcfc22 is an acceptable substitute for r502 in industrial process refrigeration. To solve this problem, a similar vapor pressure refrigerant of cfc 115 was added to hcfc 22 to form an azeotrope, r502. I was wondering if i evac the system find the leak and repair it, what refrigerant could i put into this. Biltek hvac r12 r22 r502 ac diagnostic manifold gauge kit w. China sell well refrigerant gas r502 china refrigerant. Hi all, i have an old hobart reach in freezer that just isnt getting down in temp like it used to. Refrigerant changeover guidelines r502 to r402ar408a. Through our nationwide network, aspen maintains and distributes the largest selection of refrigerants in the country. Frostycool system dry industrial combines with the moisture in a system forming a synthetic lubricant. Refrigerant changeover guidelines cfc r502 to hfc r404ar507 leading the industry with environmentally responsible refrigerant solutions. 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.
Duracool 502a refrigerant freezers, coolers refrig trucks brand new. Netherlands application note micro gas chromatography, refrigerant analysis, product. Ep1794253a1 r502, r12 or r22 substitute mixed refrigerant and. Halocarbon r502 aspen r502 liquefied gas safety data sheet ghs product identifier other means of identification product type section 1. For removal of the refrigerant it is necessary to create 30. Determination of working parameters of the operating refrigeration system during operation on r502. High vapor concentrations are irritating to the eyes and respiratory tract and may result in central.
R507 is a binary azeotropic refrigerant composed of hfc125hfc143a, 5050 wt%. Refrigerant changeover guidelines r502 to r402ar408a leading the industry with environmentally responsible refrigerant solutions. Flush exposed skin with lukewarm water not hot, or use other means to warm skin slowly. R407a, r407b, r407f, r407h and r422a as substitutes for r22 and r502. Get medical attention if frostbitten by liquid or if irritation persists. Rs52 is a non ozone depleting near azeotropic refrigerant blend which can replace r22, r502 and the interim ozone depleting blends eg r402a, r403b, r408a etc without the need to change the existing lubricant or make any changes to the system other than adjustment to. All are tested to meet or exceed ahri700 purity standards. Buy biltek hvac r12 r22 r502 ac diagnostic manifold gauge kit w 3 color 60 charging hose. Ingestion is unlikely because of the physical properties and is not expected to be hazardous.
Cfc502, freon 502 genetron502, forane502 freon is a registered trade name for e. Removal of r502 out of the system and its utilization. The specific heat of r502 is 21% greater than that of hcfc 22, and this difference made a big change in compressor life and system reliability. The corgi toy company was coming to an end in 1977 and in this year they had released some ugly models. In most cycles it undergoes phase transitions from a liquid to a gas and back again. R452b refrigerant composition was measured at specific points during this study to determine any shift in composition. Known as pooling, which occurs when the high pressure portions of the r500 becomes stuck in the condenser unit of the system, it can lead to temperature and head pressure problems. The effect of condenser temperature and evaporation temperature on cop, refrigerating e consider super cooling also. Rs52 refrigerant, r502 replacement comstar products. You can also choose from ce, rohs refrigerant r502 there are 826 suppliers who sells refrigerant r502 on, mainly located in asia. Refrigerant changeover guidelines cfc r502 to hfc r404a. Comparative analysis of r290r600a with commonly used.
Experimental results indicate that it can be used as an alternative refrigerant to r502 in low evaporative temperature. Many working fluids have been used for such purposes. Fluorocarbons, especially chlorofluorocarbons, became commonplace in the 20th century, but they are being phased out because of their ozone depletion effects. Unlike our competitors who may specialize in just one product line, comstar has been a leader in developing, manufacturing and marketing over 300 specialty products designed specifically for the trade professional. Inhalation, skin contact, eye contact acute effects of exposure. Refrigerants temperature and pressure charts temperature and pressure chart for refrigerants r22, r410a, r12, r4a, r401a, r409a, r502, r404a, r507a, r408a and r402a. R502, chlorodifluoromethane chloropentafluoroethane.
Rs52 is a non ozone depleting near azeotropic refrigerant blend which can replace r22, r502 and the interim ozone depleting blends eg r402a, r403b, r408a etc without the need to change the existing lubricant or make any changes to the system other t. As general guidance on refrigerant selection, table 1. Mar 26, 2018 the word refrigerant typically refers to a liquid substance or mixture used in heat pumps or refrigeration cycles. A novel r410a alternative refrigerant blend, r452b or dr55, has recently been studied in a 4 ton rtu to. The word refrigerant typically refers to a liquid substance or mixture used in heat pumps or refrigeration cycles. Composition analysis of contaminated and counterfeit refrigerants using the agilent 490 micro gc authors richard lawton cambridge refrigeration technology, united kingdom antony atkin analytix ltd, united kingdom remko van loon agilent technologies, inc. Composition analysis of contaminated and counterfeit. Temperature and pressure chart for refrigerants r22, r410a, r12, r4a, r401a, r409a, r502, r404a, r507a, r408a and r402a. The chlorine included in r500 can irritate the skin, so avoid contact with it. Production of the r500 refrigerant halted on january 1, 2006 because of its environmentally harmful chemical makeup. China sell well refrigerant gas r502 china refrigerant gas. Any servicing must be done using stockpiled or reclaimed material.
Production of r502 ceased in january 1996 and has since become available in reclaim, some virgin product reserves still exist today, but are limited. R125, r143a and r32 as substances for refrigerant blends. Cfc502, freon502 genetron502, forane502 freon is a registered trade name for e. Compositional fractionation studies of r410a alternative r452b. For the rare occasion where we encounter r502 and have to change to the refrigerant, we use hp 80 r402a just drop in, no oil or tev change, works perfect, in holland is is a gas witch will be phased out in future. R507 refrigerant also serves as an alternative to r502 refrigerant in the new equipment, and it can be used for retrofit of the systems operating on r502. Compositions of refrigerant blends significant new. Unfollow 502 refrigerant to stop getting updates on your ebay feed. Any refrigerant, any place, any time sm refrigerants. The refrigerant rs02, an azeotrope of cfclls and hcfc22, is an important. Refrigerants are used in cars, air conditioners and home appliances and, most notably, refrigerators and freezers. A refrigerant is a substance or mixture, usually a fluid, used in a heat pump and refrigeration cycle. Thermodynamic performance of r502 alternative refrigerant.
Comparative analysis of r290r600a with commonly used refrigerant ajoy bhargav1, nitin jaiswal2 1,2 mechanical engg. Sorry to see that you are blocking ads on the engineering toolbox. R12 r22 r502 ac hvac manifold test gauge kit refrigeration air charging service. It links the r433 at a point approximately 1 km from templemore, county tipperary and the r639 at johnstown, county kilkenny where it joins the r435. Thermodynamic performance of r502 alternative refrigerant mixtures for low temperature and transport applications article in energy conversion and management 4812. A wide variety of refrigerant r502 options are available to you, such as industrial grade, agriculture grade, and electron grade. Safety data sheet freon 22 r22 refrigerant version 12. Nothing is iced up, all coils clean, fans,and compressor running. Typically, the refrigerant, when used in a freezer, is converted from liquid to gas and then back again.
You can also choose from ce, rohs r502 refrigerant there are 817 suppliers who sells r502 refrigerant on, mainly located in asia. Refrigerant gas r502, refrigerant r502, gas refrigerant r502 manufacturer supplier in china, offering sell well refrigerant gas r502, newly disposable protective clothing, antipollution kn95 mask folder type without valve and so on. Guidelines for the use of hydrocarbon refrigerants in static refrigeration and air conditioning systems. Experimental study on hfc161 mixture as an alternative. No new r22 refrigerant can be manufactured or imported into the us or canada. Air conditioning line repair tools free delivery possible on eligible purchases. The chemical formula indicates the molecular makeup of the singlecompound refrigerants, namely those consisting of only one chemical substance. Though seldom used, r507 can be used in most r404a equipments.
Biltek hvac r12 r22 r502 ac diagnostic manifold gauge kit. Choose the refrigerants you need, select the size and well quote for free nextday delivery to anywhere in the country. Mar 19, 2012 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. Examples of pure refrigerants are r12, r22 and r4a. The blend is designed to be a retrofit replacement for r502 in low temperature refrigeration applications. Definately r408a, it is very happy with mineral oil, however i would not mix it with r502 btw, whats the point of using a drop in refrigerant if you have to change to ab oil, its not really a drop in then is it. Genetron is a registered trade name for allied signal corporation. We offer a hasslefree, turn key solution so you can get cash for your refrigerant quickly. Discharge temperatures of the compressor operating on r404a, is lower than while using r502, which contributes to increasing of reliability and service life of the compressor. Refrigerant r502 pressure temperature chart absolute pressure kpa gauge pressure kgcm2 kpag t t t. Safety data sheet file no incoming sds r502 00 sds. Below there is given the list of operations on substitution of r502 refrigerant for r402a, r408a, r402b.
Compositional fractionation studies of r410a alternative. 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. R502 is currently the most commonly used refrigerant in commercial cold storage. Refrigerant changeover guidelines cfc r502 to hfc r404ar507. The tables contained on this page list approved refrigerant numbers from ansiashrae 342019, designation and safety classification of refrigerants, the latest edition of standard 34, which describes a shorthand way of naming refrigerants and assigns safety classifications based on toxicity and flammability data. What happens to refrigerant mixture composition during a leak.
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