What PAG oil does Ford use?
Here a listing of Ford refrigerant capacity and refrigerant oil types for Ford vehicles up to the 2013 model year. Most R-134a systems use PAG 46.
What type of PAG oil should I use?
There are different viscosities of PAG oil being used by OEMs: PAG 46, which is the most popular; PAG 100, which is also common; and PAG 150, which is more rarely used.
What oil is compatible with R134a?
Polyolester oil (POE oil) is a type of synthetic oil used in refrigeration compressors that is compatible with the refrigerants R-134a, R-410A and R-12. It is recommended by experts as a replacement for hydrofluorocarbons (HFCs).
Can r22 and R134a be mixed?
In conclusion, do not mix R-22 with R-134a refrigerants, you will ruin the charge, and possibly seriously damage or destroy your A/C system. Yes you can, but it would be less than wise to do so. The results will be unpredictable to say the least. Oil compatibility would be a problem.
How does an expansion valve reduce pressure?
The liquid refrigerant leaving the expansion valve is quite cold. The orifice within the valve does not remove heat, but only reduces pressure. Heat molecules contained in the liquid refrigerant are thus allowed to spread as the refrigerant moves out of the orifice.
Is expansion valve necessary?
When water heats it expands. Since water is not compressible, the extra volume of water must go somewhere. Thus the need for an expansion device.
What is the main function of an expansion valve Mcq?
Explanation: The expansion device performs the following functions, it reduces the high pressure liquid refrigerant to low pressure liquid refrigerant, it maintains the desired pressure difference between the high and low pressure sides of the system and It controls the flow of refrigerant according to the load on the …
Which chart is most useful in refrigeration?
Pressure-enthalpy chart is useful in refrigeration.
What is an automatic expansion valve?
automatic expansion valve. A valve designed to maintain a constant pressure in the evaporator and to meter the refrigerant by using a pressure sensing device. Also called a constant pressure expansion valve.