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EPA 608 Core 9th Ed. Flashcards Quizlet
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R-407C Refrigerant Facts & Info Sheet - Refrigerant HQ
WebJan 17, 2024 · It also has a Chlorine, but that isn’t included in the Rule of 90. Series 400 and 500 are refrigerant blends (mixtures or two or more pure refrigerants). This allows engineers to tweak the refrigerant properties and to make the suitable direct replacements for outlawed refrigerants. ... Refrigerant numbers are based on the number of Carbon ... WebFeb 28, 2024 · CFCs are very stable in the troposphere. They move to the stratosphere and are broken down by strong ultraviolet (UV) light, where they release chlorine atoms that … WebDec 1, 2005 · Equipment manufacturers have chosen R-404A as the long-term replacement for CFC-502. R-404A is an excellent low- and medium-temperature refrigerant with high energy efficiency and zero ozone depletion potential (ODP). R-404A is a near-azeotropic blend of HFC refrigerants R-125, -143a, and -134a. It is commercially available from … masri o architects