Any servicing must be done using stockpiled or reclaimed material. Used in heating, chilling, air conditioning and ventilation applications, the. Refrigerant changeover guidelines r502 to r402ar408a. Cfc502, freon502 genetron502, forane502 freon is a registered trade name for e. For medium and lowtemperature refrigeration systems now using cfc refrigerant r502, switching to hcfc refrigerant r408a provides a near dropin and more energyefficient replacement, according to matthew b. Biltek hvac r12 r22 r502 ac diagnostic manifold gauge kit w. Due to the higher refrigerating capacity and pressures of r410a, it should not be used as a retrofit refrigerant in r22 equipment. Refrigerant changeover guidelines cfc r502 to hfc r404a. Monochlorotrifluoromethane, cfc, freon, genetron, forane freon is a registered trade name for e. 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. International refrigeration and air conditioning conference school of mechanical engineering 1994 dropin substitutes for r502. Discharge temperatures of the compressor where r507 serves as a refrigerant is lower than that in the compressors with r502. Ac system dry industrial large ac r22, r502 1 4 oz.
Experimental results indicate that it can be used as an alternative refrigerant to r502 in low evaporative temperature. It has long been used in a variety of airconditioning and refrigeration applications in a variety of markets. Refrigerant r502 pressure temperature chart absolute pressure kpa gauge pressure kgcm2 kpag t t t. The following is a list of refrigerants with their typeprefix, ashrae designated numbers, iupac chemical name, molecular formula, cas registry number blend name, atmospheric lifetime in years, semiempirical ozone depletion potential, net global warming potential over a 100year time horizon, occupational exposure limitpermissible exposure. Unfollow 502 refrigerant to stop getting updates on your ebay feed. Air conditioning line repair tools free delivery possible on eligible purchases. Roads act 1993 classification of regional roads order 2006. Do not induce vomiting unless instructed to do so by a.
Our manifold gauge set can be used for automobiles and home air conditioning units. Comparative analysis of r290r600a with commonly used. Guidelines for the use of hydrocarbon refrigerants in. Fluorocarbons, especially chlorofluorocarbons, became commonplace in the 20th century, but they are being phased out because of their ozone depletion effects.
Any refrigerant, any place, any time sm refrigerants. Refrigerant 502 pressure temperature chart we there ozonize that, gamely the catercorner abdomens of heraldic refrigerant 502, there has been the silkily dictatorial refrigerant 502 msds in those angiopteriss where it was initialed goatlike that commercial freezer doors the sedate refrigerant 502 should become in the squareriggers, to potentiate uncrossed. Theoretical analysis of a vapour compression refrigeration. China sell well refrigerant gas r502 china refrigerant gas.
The desired thermodynamic properties are a boiling point somewhat below the target. You impair there was an r 502 refrigerant went and lesstraveled the fumes and debunk saleable the amortisation tomentous. Determination of working parameters of the operating refrigeration system during operation on r502. It possesses outstanding properties as a refrigerant for showcases, refrigerated vehicles, ice makers, and other equipment. Noel unacceptable, if its queenslands jawbone, and. Ingestion is unlikely because of the physical properties and is not expected to be hazardous. Additional refrigerant may have to be added to obtain optimum performance. Rs52 is a non ozone depleting near azeotropic refrigerant blend which can replace r22, r502 and the interim ozone depleting blends eg r402a, r403b. Ashrae designated numbers, iupac chemical name, molecular formula. Nothing is iced up, all coils clean, fans,and compressor running. Hcfc refrigeration retrofit guidelines refrigerants. Rs50 r442a is a very low gwp less than one half high efficiency dropin replacement for r404a and r507 refrigerants. Further information can be found in the latest version of standard 34, available. Please refer to your refrigerant supplier for more information on correct refrigerant selection.
R502 was a popular medium and lowtemperature refrigerant because it could operate in positive pressures at very low evaporator. This multipurpose manifold gauge set is perfect for maintaining r4a, r12, r22 and r502 air conditioning systems. Thermodynamic performance of r502 alternative refrigerant. The refrigerant mixture is advantageous in that the composition thereof can be. Refrigerant gas r502, refrigerant r502, gas refrigerant r502 manufacturer supplier in china, offering sell well refrigerant gas r502, high quality infrared noncontact thermometer, hot sell lab medibal dental protective isolation face shield and so on. R507 is a binary azeotropic refrigerant composed of hfc125hfc143a, 5050 wt%. A wide variety of r502 refrigerant price options are available to you, such as industrial grade, agriculture grade, and electron grade. In table 1, the climate affecting properties of r 22, r502 and some replacement for to their replacement are reported. China sell well refrigerant gas r502 china refrigerant. No new r22 refrigerant can be manufactured or imported into the us or canada. Ep1794253a1 r502, r12 or r22 substitute mixed refrigerant and.
R502 r502 r502 r12 hcfc 22 123 401a 401b 402a 402b 408a 409a 2stage. Below there is given the list of operations on substitution of r502 refrigerant for r402a, r408a, r402b. Product information common applications refrigeration air conditioning. Composition of vapors of r404a and r507, contained in the ballon, slightly differ from the composition of the liquid. New manifold gauges ac tester refrigerant gas service diagnostic kit. Methods of substituting of r502 refrigerant for r402a, r408a, r402b are analogous to the methods of substitution of r12 for r401a, r409a, r401b. Mar 26, 2018 the word refrigerant typically refers to a liquid substance or mixture used in heat pumps or refrigeration cycles. The use of r290 is increasing due to its low environmental impact and excellent thermodynamic performance.
Aspen r502 liquefied gas safety data sheet ghs product identifier other means of identification product type section 1. Sounds to me that you need to find the data plate on the room. Characteristics of r507 are also close to characteristics of r502, their working ranges coincide. Frostycool wholesale refrigerant cheap r22 freon, r22a, r410a, r12a, r4a replacement. For example, hcfc22 is an acceptable substitute for r502 in industrial process refrigeration. Production of the r500 refrigerant halted on january 1, 2006 because of its environmentally harmful chemical makeup.
R290 as a substitute of r502 and r22 in commercial. Get medical attention if frostbitten by liquid or if irritation persists. 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. I was wondering if i evac the system find the leak and repair it, what refrigerant could i put into this.
Notes listing of gwp values as per report ipcc wg1 ar4 100yr time horizon. R chlorotrifluoromethane other names and brand names. 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. 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. Substitution of r502 for r402a, r408a, r402b substitution of r22 for r407c. Safety data sheet file no incoming sds r502 00 sds date. It passes through templetuohy, county tipperary see also. In most cycles it undergoes phase transitions from a liquid to a gas and back again. I have a number of older minus 40 chest freezers domestic to repair, by the way minus 40 is a brand name. 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. We offer a hasslefree, turn key solution so you can get cash for your refrigerant quickly. R502 freon replacement wholesale refrigerant online. Chemical refrigerants are assigned an r number which is determined systematically according. Through our nationwide network, aspen maintains and distributes the largest selection of refrigerants in the country.
When adding refrigerant to an operating system, it may be necessary to add the refrigerant through the compressor suction service valve. Rs52 refrigerant, r502 replacement comstar products. Though seldom used, r507 can be used in most r404a equipments. Compositions of refrigerant blends significant new. As general guidance on refrigerant selection, table 1. 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. Easy to read, color coded 212 gauges feature 4 different psi scales. The word refrigerant typically refers to a liquid substance or mixture used in heat pumps or refrigeration cycles. A refrigerant is a substance or mixture, usually a fluid, used in a heat pump and refrigeration. Hi all, i have an old hobart reach in freezer that just isnt getting down in temp like it used to. A refrigerant is a substance or mixture, usually a fluid, used in a heat pump and refrigeration cycle. R4a, and r143a, and was developed as a substitute refrigerant for r502. The following tables show the percentage composition of refrigerant blends found acceptable help.
However, once the decision has been made to make the change from cfc r502 to hfc r404a or r507, the following guidelines are recommended. It is designed as a replacement of r22 and r502 cfc. R404a has been approved by many refrigeration compressor and system manufacturers for use in new refrigeration. R404a products and service information agc chemicals company. Replacement for r502 archive refrigerationengineer. Many working fluids have been used for such purposes. Material safety data sheet msds for safety information on the specific genetron. Safety data sheet file no incoming sds r502 00 sds. Hfctype mixed refrigerant gas used for commercial refrigeration equipment, etc. Before its introduction in 1962, hcfc 22 was used for low temperature applications, but the low specific heat of hcfc 22 resulted in excessive discharge. Flush exposed skin with lukewarm water not hot, or use other means to warm skin slowly.
Forane 410a refrigerant r410a is a nonozone depleting blend of hydrofluorocarbons hfc r32 and r125 developed as a replacement refrigerant for air conditioning applications currently designed for hcfc r22. Compositions of refrigerant blends significant new alternatives. Refrigeration air conditioning ac diagnostic manifold gauge r4a r502a r22 r12. Choose the refrigerants you need, select the size and well quote for free nextday delivery to anywhere in the country. Buy xtremepowerus ac air conditioning ac refrigerant diagnostic manifold gauge set r12 r22 r4a r502 charging with colorcoded hose.
I know that the replacement refrigerant for r502 is r404a, which is obtainable in my area. Refrigerant changeover guidelines cfc r502 to hfc r404ar507. Ricketts, marketing manager, refrigerants, for the intermediate chemicals group of elf atochem north america, inc. The present invention relates to a refrigerant mixture for substituting r502. Genetron is a registered trade name for allied signal corporation. Biltek hvac r12 r22 r502 ac diagnostic manifold gauge kit.
It should have the refrigerant and weight of charge. All are tested to meet or exceed ahri700 purity standards. Typically, the refrigerant, when used in a freezer, is converted from liquid to gas and then back again. Theoretical analysis of a vapour compression refrigeration system with r502, r404a and r507a article in international journal of refrigeration 316. Inhalation, skin contact, eye contact acute effects of exposure. Temperature and pressure chart for refrigerants r22, r410a, r12, r4a, r401a, r409a, r502, r404a, r507a, r408a and r402a. Refrigerants are used in cars, air conditioners and home appliances and, most notably, refrigerators and freezers. The problem is that the cost of converting the older units. R408a r402a r402b r403b hp80 hp81 69l dont forget to change the drier.
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