by compressing freon as a gas it can be concentrated in one place where it can be condensed into liquid freon once again; in liquid form it can be evaporated as in the vapor/compression cycle of a mechanical refrigeration system absorbing heat as from the food in your fridge.
by applying pressure
Freon under pressure, much like LP and butane are liquid. At sea level pressure, freon becomes a gas. For freon to work in a refrigeration system, it must be able to transform from liquid to gas to liquid. So, to fill a system, it must be put into that system in liquid form. To do this, the bottle containing freon must be tipped, otherwise only freon the gas would be expelled.
by applying pressure
by applying high pressure
The purpose of conducting a gas pressure test is to check for leaks or faults in a gas system. It is performed by pressurizing the system with gas and monitoring for any drop in pressure, which could indicate a leak.
Freon itself if not cold. Freon can be used to cool things by compressing the gas and then letting it expand. When a gas expands, it cools down (for more information about that, look up the Ideal Gas Law). Freon is very effective for this purpose and because it is a gas with a high heat capacity. Any gas can cool thing in the same way, but Freon does it particularly well. Unfortunately it is what is called a CFC, which destroys ozone in the atmosphere.
This process is called condensation.
Purpose of a pressure regulator is to match the flow of gas through the regulator to the demand of gas placed upon the system. It is a valve that can automatically cut off the fluid of a liquid at a certain pressure.
Purpose of a pressure regulator is to match the flow of gas through the regulator to the demand of gas placed upon the system. It is a valve that can automatically cut off the fluid of a liquid at a certain pressure.
If a substance can be easily compressed on applying pressure, it is likely in a gaseous state. Gases have particles that are far apart and move freely, allowing them to be compressed easily.
Applying heat to a gas will make it expand. If the volume of the gas is restricted (i.e. it cannot expand) then the pressure will increase.
R 134 is freon gas. In small amounts, the exposure to freon gas is not dangerous. In larger amounts, freon can cause respiratory issues.