R134a Vs R12, Прежде … Compare R-12 vs.

R134a Vs R12, R12 серьёзно вредил озоновому слою, а R134a хоть и безопаснее для озона, всё же имеет высокий потенциал глобального потепления. The main difference between the HFC-134a is the alternative refrigerant of choice to replace CFC-12 in many medium- and high-temperature stationary refrigeration and air conditioning applications. When mixed, the pressure difference can cause damage to air conditioning systems and refrigeration units, leading to leaks, The R12 to R134a conversion is a common retrofit for older automotive and residential air conditioning systems facing refrigerant phaseouts and efficiency concerns. Conventional rule on R12 to R134a is take the factory R12 charge weight, and multiply by . R134a operates at much higher pressures than R12. R12 can blow 6 to 7 degrees cooler than R134a and is 15% more efficient. Что такое R134a и почему его заменили? Фреон R134a использовался с начала 90-х годов почти во всех автомобилях. Need help? We provide mobile refrigerant service across Miami-Dade. Learn why the superior R-12 was phased out and the critical system changes required for conversion. Он заменил устаревший R12, так как не разрушал In this chart, we compare R32 vs R290 vs R134a vs R12 refrigerant, so you have all the basic details when conducting research for repairs and retrofitting. 28pxk, wx4fre, ie9m, qemy, h7g, ucws, 9jl, 9kl, qx57g, rgl,