{"product_id":"rs-45-refrigerant-for-flooded-recirc-dx-systems","title":"RS-45 Refrigerant, For Flooded\/Recirc\/DX Systems","description":"\u003cp\u003eAt last, refrigeration professionals have the perfect replacement for R22 in flooded\/recirc. low temp. systems. Many refrigerants have hoped to be the solution but they all fall short.\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eRS-45 Advantages\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eCapacity:\u003c\/strong\u003e\u003c\/em\u003e  RS-45 (R434a) is unique in being a capacity match for R22 across the range of applications where R22 is commonly found.  No other refrigerant mirrors the capacity of R22 at low temperature (-31 F\/ -35 C evap) and high temperature (+45 F\/ +7 C evap).\u003c\/p\u003e\r\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eCoefficient Of Performance:\u003c\/strong\u003e\u003c\/em\u003e RS-45 (R434a) has a Coefficient Of Performance (COP)which matches R22 .\u003c\/p\u003e\r\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eGlide:\u003c\/strong\u003e\u003c\/em\u003e RS-45 is a near azeotropic blend with a very low glide of 1.5 C mking it the best alternative in R22 flooded\/Recirc. evaporators\/systems.   \u003c\/p\u003e\r\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eCompression Ratio:\u003c\/strong\u003e\u003c\/em\u003e RS-45 has a compression ratio which matches R22 across the range of applications where R22 is commonly found.\u003c\/p\u003e\r\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eLubricants:\u003c\/strong\u003e\u003c\/em\u003e  RS-45 is suitable with mineral oil ( MO), alkylbenzene (AB) and synthetic oils like polyolester (POE) and polyalkyglycol (PAG) oils.  The ability to use mineral oil both reduces cost and avoids the use of hygoscopic synthetic oils which can absorb moisture during maintenance and leaks.  POE oil also compromises seals and gaskets resulting in leaks.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eOther RS-45 Attributes:\u003c\/em\u003e\u003c\/strong\u003e Non-flammable, Zero ODP, similar discharge pressure as R22 and considerably lower discharge temperature than R22; which provides significant operating benefits including a much lower risk of oil degradation.\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: small;\"\u003e\u003cstrong\u003eRS-45 Applications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003eRS-45 can be used to \u003cem\u003ereplace R-22\u003c\/em\u003e in medium and low temperature applications and in chillers with flooded\/Recirc. evaporators with saturated suction temperature of 19 F\/-6 C and below.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eService Work\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003eBecause it is a blend, it is recommended that RS- 45 be charged into systems in the liquid as opposed to the gaseous phase. Since there is no need to change the existing lubricant, RS-45 is straightforward to use as the following procedure outlines.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eLubricants\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003eRS-45 is compatible with mineral, POE and alkybenzene refrigeration oils. Since mineral oil in most often found in R22 systems there is no need to change the lubricant.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eMaterials Compatibility\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003eRS-45 is compatible with all materials commonly used in refrigeration systems previously charged with R22.\u003c\/p\u003e\r\n\u003cp\u003eIn general, materials which are compatible with R22 can be used with RS-45. In addition, it is less likely to have leaking problems since it is not necessary to change over to the expensive and often seal and gasket damaging POE (synthetic) oil when converting a R22 system to RS-45.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eEnvironmental Data\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003eNone of the components of RS-45 contain chlorine so that it has no ability to deplete the ozone layer, it is zero ODP\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003eAs with all hydrofluorocarbons (HFCs), RS-45 does have a direct global warming potential (GWP), but this is counterbalanced by the low Total Equivalent Warming Impact (TEWI) of the system.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: %value; font-size: xx-small;\"\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003eComStar International Inc., a chemical company with more than 44 years of experience, is one of only a few companies in the world that have \"DROP-IN\" direct replacement HFC refrigerants for in-place R12, R22 and 502 systems. ComStar is a leader in the development of environmentally safe, industrial strength chemical products for the HVACR industry sold worldwide through leading HVACR wholesalers and distributors.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eSystem Charge Amout \u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif; font-size: xx-small;\"\u003e\u003cspan style=\"color: #000000;\"\u003eThe refrigerant charge needed for a system is based on \u003cstrong\u003e\u003cem\u003e\u003cspan style=\"text-decoration: underline;\"\u003eliquid volume\u003c\/span\u003e\u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\"\u003e.  Therefore, a system will take the same amount of liquid R22 as it would RS-45.  However, since the molecular weight of RS-45 is heavier than R22 it means it will take a higher amount of pounds.  RS-45 does have a different specific volume than R-22, about 10% less in liquid form and about 20% more in vapor form.  Usually the vapor volume of the system is generally larger than the liquid volume so on average about 15% more RS-45 \u003cstrong\u003e\u003cem\u003emay\u003c\/em\u003e\u003c\/strong\u003e be required.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif; font-size: xx-small;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif; font-size: xx-small;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: 'Times New Roman','serif'; font-size: xx-small;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003eIn many cases, the system charge needed to operate will vary from season to season depending on  a variety of climate conditions.  Winter operation usually requires more refrigerant than summer operation. Also, you have to take into consideration if the system had been shut down for some time.  As an example, if the system manufacturer recommendation is 7000 lbs of R-22 this same system may require \u003cem\u003e\u003cstrong\u003eup to\u003c\/strong\u003e \u003c\/em\u003e8050 lbs (15% more) of RS-45 due to the difference in density. In summer operation it may be able to operate at something less than 7000 lbs of R22 or 8050 lbs of RS-45.  \u003c\/span\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp style=\"margin: 0in 0in 0pt;\"\u003e \u003c\/p\u003e\r\n\u003cp style=\"margin: 0in 0in 0pt;\"\u003e \u003c\/p\u003e\r\n\u003cp style=\"margin: 0in 0in 0pt;\"\u003e \u003c\/p\u003e","brand":"Magento","offers":[{"title":"24 lb cylinder","offer_id":46738492883121,"sku":"80-120","price":840.0,"currency_code":"USD","in_stock":true},{"title":"110 lb cylinder","offer_id":46738492915889,"sku":"80-121","price":3808.0,"currency_code":"USD","in_stock":true},{"title":"850 lb cylinder","offer_id":46738492948657,"sku":"80-122","price":36092.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/5041\/6561\/files\/rs-45_front_24_lb.jpg?v=1767958889","url":"https:\/\/comstarproducts.com\/products\/rs-45-refrigerant-for-flooded-recirc-dx-systems","provider":" ComStar","version":"1.0","type":"link"}