ester oil
R-22 gas is a refrigerant also known as chlorodifluoromethane. It is a colorless gas that is a hydrochlorofluorocarbon (HCFC) and was commonly used in heating and air conditioning applications. It is a greenhouse gas and also contributes to ozone depletion,
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freon
Centralized air conditioning
The throttling devise can be the valve or the copper tubing that allows the flow of the refrigerant through very small opening also called as the orifice. The throttling devices allow restricted flow of the refrigerant. The throttling devices are also called as the expansion valves because when the refrigerant passes through them the pressure of the refrigerant drops down or it expands..Capillary tube is one of the most commonly used throttling devices in the refrigeration and the air conditioning systems. The capillary tube is a copper tube of very small internal diameter. It is of very long length and it is coiled to several turns so that it would occupy less space. The internal diameter of the capillary tube used for the refrigeration and air conditioning applications varies from 0.5 to 2.28 mm (0.020 to 0.09 inches). Capillary tube used as the throttling device in the domestic refrigerators, deep freezers, water coolers and air conditioners.
Most commonly, r134a.
Refrigerant is commonly added in the outside ac unit. The freon is filled through the low side ac port.
Air conditioning reduces the temperature and humidity of air in buildings. Air conditioning systems are commonly used in large commercial or institutional buildings to maintain a constant environment.
That would be 'Software'
One way for refrigerant to escape the system is through a leak. This will be identifiable by an oily residue at the source of the leak commonly around joints and bends in the lines.
This is a commonly recurring question. The simple answer is no. Nowhere in the FMCSR or FMVSS is there any requirement whatsoever for air conditioning.
Ultrasonics can be used in a variety of applications. It's commonly used to 'weld' plastics together - and to clean jewellery.