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1,1,1,2-Tetrafluoroethane

en.wikipedia.org/wiki/1,1,1,2-Tetrafluoroethane

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

www.researchgate.net/post/What_does_A_in_R-134_A_refrigerant_stand_for

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 ...

engineering.stackexchange.com/questions/7297/what-does-a-mean-at-the-end-of-a-refrigerants-designation-r-134a

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

www.ehow.com/facts_7527231_r134a-refrigerant.html

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

R134a REFRIGERATION TECHNICIAN HANDBOOK - IICL

www.iicl.org/techcorner/bulletins/R134a_Testing_Procedures_1.pdf

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

www.csgnetwork.com/r134apresstempconv.html

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

www3.nd.edu/~enviro/design/r134a.pdf

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 ...

macsworldwide.wordpress.com/2011/05/27/10-questions-and-answers-about-hfo-1234yf/

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 ...

www.ptonline.com/articles/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

www.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

www.ehow.com

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

www.iifiir.org

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;.