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1,1,1,2-tetrafluoroethane, R-134a, Forane 134a, Genetron 134a, Florasol 134a, Suva 134a or ..... of the Refrigerant HFC 134a: Some Scaling Models at the Wayback Machine (archived September 29, 2003)...

What does A in R-134 A refrigerant stand for? - ResearchGate


Jul 15, 2013 ... 134 means tetrafluoroethane but i dont know what the mean of a. ... R134 has NBP of about -19 C whereas R134a has a NBP of about -26C.

chemical engineering - What does "a" mean at the end of a ...


R134a..Here "a" is used to denote that it is an isomer. R134 and R134a have same chemical formula and atomic weight but different chemical structures.

What Is R134A Refrigerant? | eHow


HFC-134A does not damage the ozone layer like its CFC predecessors. ... R134a refrigerant was developed to replace R12 in automotive air conditioning ...



May 10, 2012 ... R134A REFRIGERATED CYLINDER TESTING UNIT AND PROCEDURES . ..... Any refrigeration technician who does not feel completely comfortable .... The propane bottle is mounted between the vent hood stand, so the.

R134a Refrigerant Pressure Temperature Calculator


Aug 1, 2011 ... This R134a refigerant calculator determines the gas pressure based on ... replacement for R12 but does require system retrofit modifications.

Production of R-134a


reactor converts 99.3% of the R-133a to R134a. The heat of reaction is removed from the process by means of a DowthermTM A cooling loop. The product ...

10 questions and answers about HFO-1234yf | Mobile Air ...


May 27, 2011 ... 7) Is there much difference between HFO-1234yf and R134a? ... In fact, it would not be practical to do this due to the cost of HFO-1234yf.

Six Things You Should Know About New Eco-Friendly Chillers ...


... and R507. What does all this mean for you? ... A number of domestic suppliers have been using R134a in the very smallest chillers for years. Some of the ...

www.ask.com/youtube?q=What Does The A Stand For In R134a&v=04scBuOzBSE
Aug 7, 2011 ... You will need to shake your can, connect and introduce r134a into the car. ... tell you. the L cap stands for the low side of the AC system, and the H cap stands for ... I recommend you do a search on Ebay for the parts you need.
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What does the a stand for in R134a - Answers.com


The "a" in R134a is an indicator. There are two gases that are similar R134 and R134a. They both have the same chemical make up which is 2 hydrogen, ...

R134a Definition | eHow


R134a Definition. ... R-134a represents a temporary replacement for R-12 and expect the development of a new refrigerant that does not require retrofitting.

Classification of refrigerants - IIR


Examples: R22, R134a, R600a, R717. Sometimes ... Class 1 indicates refrigerants that do not show flame propagation when tested in air at 21°C and 101. kPa;.