A refrigerant is a working fluid used in cooling, heating or reverse cooling and heating of air conditioning systems and heat pumps where they undergo...
50 KB (4,208 words) - 19:06, 21 November 2024
This is a list of refrigerants, sorted by their ASHRAE-designated numbers, commonly known as R numbers. Many modern refrigerants are human-made halogenated...
211 KB (3,377 words) - 09:48, 16 November 2024
Refrigerant reclamation is the act of processing used refrigerant gas which has previously been used in some type of refrigeration loop such that it meets...
7 KB (864 words) - 15:37, 25 July 2023
Natural refrigerants are considered substances that serve as refrigerants in refrigeration systems (including refrigerators, HVAC, and air conditioning)...
31 KB (3,488 words) - 22:17, 6 July 2024
Variable refrigerant flow (VRF), also known as variable refrigerant volume (VRV), is an HVAC technology invented by Daikin Industries, Ltd. in 1982. Similar...
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controls the amount of refrigerant released into the evaporator and is intended to regulate the superheat of the refrigerant that flows out of the evaporator...
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Heat pump (section Refrigerant choice)
energy-efficient than other ways of heating or cooling a home. A gaseous refrigerant is compressed so its pressure and temperature rise. When operating as...
75 KB (8,267 words) - 16:49, 31 October 2024
1,1-Difluoroethane (redirect from Refrigerant 152a)
formula C2H4F2. This colorless gas is used as a refrigerant, where it is often listed as R-152a (refrigerant-152a) or HFC-152a (hydrofluorocarbon-152a). It...
12 KB (1,030 words) - 13:21, 30 October 2024
1,1,1,2-Tetrafluoroethane (redirect from Refrigerant 134a)
HFA-134a, or HFC-134a) is a hydrofluorocarbon (HFC) and haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane)...
20 KB (1,802 words) - 10:29, 17 November 2024
Propane (redirect from R-290 (refrigerant))
popular as a replacement refrigerant (R290) for heatpumps also as it offers greater efficiency than the current refrigerants: R410A / R32, higher temperature...
50 KB (5,445 words) - 05:45, 22 November 2024
Chiller (section Refrigerants)
the refrigerant, without requiring fuel supply or exhaust ventilation and no shaft seals are required as the motor can operate in the refrigerant, reducing...
26 KB (3,197 words) - 05:26, 16 November 2024
Isobutane (category Refrigerants)
chlorofluorocarbon or hydrofluorocarbon refrigerants in conventional stationary refrigeration and air conditioning systems. As a refrigerant, isobutane poses a fire and...
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March 2022). "What Is Refrigerant 12| R12". Refrigerant Finders. Retrieved 21 February 2024. "R-12 Refrigerant History - Refrigerant HQ". 31 December 2018...
50 KB (5,878 words) - 12:17, 22 October 2024
Chloroform (redirect from Refrigerant-20)
sweet-smelling, dense liquid produced on a large scale as a precursor to refrigerants and PTFE. Chloroform was once used as an inhalational anesthetic between...
61 KB (5,773 words) - 20:17, 17 November 2024
Dichlorodifluoromethane (redirect from Refrigerant 12)
(as Freon-12). It is a chlorofluorocarbon halomethane (CFC) used as a refrigerant and aerosol spray propellant. In compliance with the Montreal Protocol...
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Air source heat pump (section Refrigerant types)
are used to change states of the refrigerant between colder liquid and hotter gas states. When the liquid refrigerant at a low temperature and low pressure...
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at low temperature range using refrigerants that boil at lower temperatures than water. Typical organic refrigerants are ammonia, pentafluoropropane...
68 KB (9,313 words) - 01:30, 19 October 2024
Vapor-compression refrigeration (section Refrigerants)
refrigeration or vapor-compression refrigeration system (VCRS), in which the refrigerant undergoes phase changes, is one of the many refrigeration cycles and...
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the refrigerant enters the compressor as a low pressure and low temperature vapor. In heat pumps, this refrigerant is typically R32 refrigerant or R290...
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state, sucks out the now gaseous refrigerant, thus providing the low partial pressure. This produces a refrigerant-saturated liquid which then flows...
17 KB (2,009 words) - 18:33, 21 November 2024
R-454B (category Refrigerants)
warming potential (GWP), R-454B is intended to be an alternative to refrigerant R-410A in new equipment. R-454B has a GWP of 466, which is 78 percent...
5 KB (466 words) - 12:36, 29 October 2024
In refrigeration, flash-gas is refrigerant in gas form produced spontaneously when the condensed liquid is subjected to boiling. The presence of flash-gas...
11 KB (1,450 words) - 08:44, 21 October 2021
Chlorodifluoromethane (redirect from Refrigerant 22)
HCFC-22, or R-22, or CHClF 2. It was commonly used as a propellant and refrigerant. These applications were phased out under the Montreal Protocol in developed...
24 KB (1,742 words) - 20:06, 29 October 2024
as ammonia (NH3), sulfur dioxide (SO2) and methyl chloride (CH3Cl) as refrigerants, which were widely used for that purpose until the late 1920s despite...
79 KB (9,160 words) - 21:57, 21 November 2024
Both issues happen due to the venting of refrigerant to the atmosphere, such as during repairs. HFO refrigerants, used in some if not most new equipment...
99 KB (10,302 words) - 03:13, 18 November 2024
system needed and then design the system, selecting the appropriate refrigerant and various components needed. For larger buildings, building service...
59 KB (7,070 words) - 11:06, 19 November 2024
2,3,3,3-Tetrafluoropropene (category Refrigerants)
CH2=CFCF3. Its primary application is as a refrigerant with low global warming potential (GWP). As a refrigerant, it is designated R-1234yf and marketed...
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refrigerants developed in the late 1920s. These refrigerants were considered — at the time — to be less harmful than the commonly-used refrigerants of...
84 KB (10,559 words) - 22:54, 18 August 2024
R-410A (category Refrigerants)
R-410A is a refrigerant used in air conditioning and heat pump applications. It is a zeotropic but near-azeotropic mixture of difluoromethane (CH2F2,...
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Air Conditioning, Heating and Refrigeration Institute (redirect from American Refrigerant Institute)
Low-GWP Alternative Refrigerants Report". Retrieved 7 July 2017. Writer, Jim Walsh, AFN Staff (5 July 2017). "Banned refrigerant impacting Ahwatukee heat-pump...
4 KB (350 words) - 14:30, 22 October 2024