Refrigerant R1234yf for AC-systems of new cars
Refrigerant R1234yf is widely used in air conditioning of new cars. It has replaced refrigerant R134a due to its low environmental impact and excellent thermodynamic performance.
R1234yf was developed to meet the requirements of EU Directive 2006/40 / EC. According this directive a vehicle type approved in 2011 or later, or put into service in 2017, must use refrigerant with a GWP <150.
The service interval for R1234yf in car air conditioning systems does not change. Recommended interval is 2 years.
It has also been estimated that, for many years to come, more R134a refrigerated vehicles than R1234yf refrigerants vehicles will continue to circulate in our traffic. - In the transition phase, the combustion feature aroused resistance and fear in car factories. Carbon dioxide was considered a better option.
Applications and usage
Automotive A / C systems, air conditioning.
R1234yf is a highly flammable refrigerant and is therefore not a direct replacement gas for R134a systems. The new refrigerant in the service device also causes changes in its combustion properties.
However, the R1234yf spontaneously ignites only at 405C degrees. There are though only a few hundred grams of this refrigerant in passenger cars. In practice, gas requires a flame elsewhere to ignite it (Source: Tukes, Group Manager Markus Kauppinen, Aamulehti, 7 December 2016). R1234yf replaces refrigerant R134a.
R1234yf replacement refrigerants
Replacement for R1234yf in the future is, for example, carbon dioxide CO2 / R744.
Kylmäaine R1234yf price
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Tietoa tulossa 22.7.2019. Odota!