Is R-404A a hazardous material?
UNUSUAL FIRE AND EXPLOSION HAZARDS: R-404A is not flammable at ambient temperatures and atmospheric pressure. However, this material will become combustible when mixed with air under pressure and exposed to strong ignition sources.
What is 404A refrigerant?
R-404A is a pseudo-azeotropic mixed refrigerant composed of the three ingredients R-125, R-134a, and R-143a, and was developed as a substitute refrigerant for R-502 and R-22, used in commercial refrigerator equipment for low and medium temperature ranges.
Is Freon considered a hazardous material?
Decomposition products are hazardous. “FREON” 22 can be decomposed by high temperatures (open flames, glowing metal surfaces, etc.) forming hydrochloric and hydrofluoric acids, and possibly carbonyl halides. These materials are toxic and irritating.
Is R-404A ozone depleting substance?
Although R-404A consists of a mixture of three HFC refrigerants and has an ozone depletion potential (ODP) of zero, it does have a GWP of 3,922, according to the Intergovernmental Panel on Climate Change (IPCC) Fourth Assessment Report, 2007.
What is the chemical formula for R-404A?
|Chemical Name||Pentafluoroethane Trifluoroethane Tetrafluoroethane|
|Chemical Notation||CF3CHF3, CF3CH3, CFcCH2F|
|Boiling Point (°C)||-46.2|
What is the replacement for R-404A?
What are the best replacements for R404A? For cold rooms and other small to medium commercial refrigeration applications, R448A and R449A and R452A or R134a are excellent alternatives to R404A, with from 50 to 65% reduction in GWP.
How old is 404A refrigerant?
During the last 10 to 15 years R404A has become one of the most widely used refrigerants. It was introduced in the mid-1990s as a replacement for ozone depleting refrigerants including CFCs (such as R12 and R502) and more recently as a replacement for HCFCs (such as R22).
What is the most toxic refrigerant?
The most common toxic refrigerant is ammonia, and you would generally only find it in old appliances or large industrial applications. Propane (R290) is a flammable refrigerant and is becoming quite popular in small self-contained refrigeration units like vending machines and reach-in coolers.
What is refrigerant classified?
Refrigerants are classified as below: The vast majority of HFC and HFC/HFO blend refrigerants in current use are classified as A1, with low toxicity and zero flammability. Ammonia, which has been in use for many years, is classified as B2L; R-152a is an A2 refrigerant, and all hydrocarbons are classified as A3.
Is R404A refrigerant environmentally friendly?
The refrigerant R22 has great damage to the ozone layer. R404A is currently the mainstream environmentally friendly refrigerant approved and recommended by most countries in the world, and has zero damage to the ozone layer.
What refrigerant is compatible with 404A?
Like R407A, R407F is fully compatible with the POE lubricants used in an R404A system and, in many cases, the original oil can be used. R407F has a lower mass flow than R404A, so some recommend checking existing piping to ensure compatibility.