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  2. Refrigerant reclamation - Wikipedia

    en.wikipedia.org/wiki/Refrigerant_reclamation

    The EPA defines refrigerant reclamation as "Reclaim refrigerant means to reprocess refrigerant to at least the purity specified in appendix A to 40 CFR part 82, subpart F (based on AHRI Standard 700–1993, Specifications for Fluorocarbon and Other Refrigerants) and to verify this purity using the analytical methodology prescribed in appendix A ...

  3. R-454B - Wikipedia

    en.wikipedia.org/wiki/R-454B

    Because of its reduced global warming potential (GWP), R-454B is intended to be an alternative to refrigerant R-410A in new equipment. [2] [3] [4] R-454B has a GWP of 466, which is 78 percent lower than R-410A's GWP of 2088. [2] R-454B is non-toxic and mildly flammable, with an ASHRAE safety classification of A2L. In the United States, it is ...

  4. Vapor recovery - Wikipedia

    en.wikipedia.org/wiki/Vapor_recovery

    Vapor recovery is also used in the chemical process industry to remove and recover vapors from storage tanks. The vapors are usually either environmentally hazardous, or valuable. The process consists of a closed venting system from the storage tank ullage space to a vapor recovery unit which will recover the vapors for return to the process or ...

  5. M88 recovery vehicle - Wikipedia

    en.wikipedia.org/wiki/M88_recovery_vehicle

    In response to the information about the T-54A tank the US had to develop new M60 tank (production started in 1959) heavier than 46 metric tons, which M74 armored recovery vehicle was unable to retrieve. The design of a new ARV vehicle was based on the chassis and parts of the automotive component of the M48 Patton and M60 tanks. The original ...

  6. 1,1,1,2-Tetrafluoroethane - Wikipedia

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

    1,1,1,2-Tetrafluoroethane is a non-flammable gas used primarily as a "high-temperature" refrigerant for domestic refrigeration and automobile air conditioners. These devices began using 1,1,1,2-tetrafluoroethane in the early 1990s as a replacement for the more environmentally harmful R-12. Retrofit kits are available to convert units that were ...

  7. Inside the bitter feud roiling the doomsday bunker business - AOL

    www.aol.com/inside-bitter-feud-roiling-doomsday...

    Hubbard, a big man with intense blue eyes and a five-o'clock shadow, greets me gruffly. "You don't look like Business Insider," he says. "You look like Rising S."