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This refrigerant is intended as a replacement for R-22. R-22 production will be phased out by 2020 as per the Montreal ... While R407C has a lower GWP than R22, ...
Evolution of New York City subways: An illustrated history of New York City's transit cars, 1867–1997. New York Transit Museum Press, New York, 1997. ISBN 978-0-9637492-8-4. Kramer, Frederick A. Building the Independent Subway. Quadrant Press, Inc.; New York, 1990. ISBN 0-915276-50-X; Cudahy, Brian J.
Libbey-Owens-Ford Company (LOF) was a producer of flat glass for the automotive and building products industries both for original equipment manufacturers and for replacement use. The company's headquarters and main factories were located in Toledo, Ohio , with large float glass plants in Rossford , Ohio , Laurinburg , North Carolina , Ottawa ...
The car lost its original number plates and now bears number plates from other retired R22 subway cars (7370, 7373, 7435, and 7460). 7422 – converted to R95 revenue collection car 1R714. The car was retired in 2006 and is now preserved by the New York Transit Museum. [3] A handful of R22 cars are currently in work service:
R-407A is a mixture of gasses used as a refrigerant.It is a zeotropic blend of difluoromethane (HFC-32), pentafluoroethane (HFC-125) and 1,1,1,2-tetrafluoroethane (HFC-134a). [1]
R-410A was invented and patented by Allied Signal (later Honeywell) in 1991. [5] Other producers around the world have been licensed to manufacture and sell R-410A. [6] R-410A was successfully commercialized in the air conditioning segment by a combined effort of Carrier Corporation, Emerson Climate Technologies, Inc., Copeland Scroll Compressors (a division of Emerson Electric Company), and ...
Worldwide production of R-22 in 2008 was about 800 Gg per year, up from about 450 Gg per year in 1998, with most production in developing countries. [2] R-22 use is being phased out in developing countries, where it is largely used for air conditioning applications.
The development of Hydrofluoroolefins (HFOs) as replacements for Hydrochlorofluorocarbons and Hydrofluorocarbons began after the Kigali amendment to the Montreal Protocol in 2016, which called for the phase out of high global warming potential (GWP) refrigerants and to replace them with other refrigerants with a lower GWP, closer to that of ...