How do I find the operating pressure for a single component refrigerant?

How do I find the operating pressure for a single component refrigerant?

With the blend you read the saturated temperature next to the pressure in the liquid (bubble point) column of the chart. For a single-component or azeotropic refrigerant, the operating pressure for the low side of a system can be found by cross referencing the desired coil temperature on the PT chart.

How do you read a PT chart for refrigerant pressure?

Traditional PT charts list the saturated refrigerant pressure, in psig, with a column for temperature down the left side. Single-component refrigerants and azeotropes boil and condense at one temperature for a given pressure.

How to read a two-column PT chart for zeotropic refrigerants?

Properties of the new zeotropic refrigerant blends are different than traditional refrigerants, it is useful to know how to read a two-column PT chart. Traditional PT charts list the saturated refrigerant pressure, in psig, with a column for temperature down the left side.

What is the ideal temperature range for R-12 blend?

The pressure and system capacity match R-12 when the blend is running in a 10°F to 20°F evaporator, and there is typically an 8°F temperature glide in the evaporator. Applications: direct expansion refrigeration and air conditioning systems designed for R-12 or R-500; good success in any size system, minor adjustment of controls needed.

What is the GWP of refrigerant?

For more information, please visit the IPCC website. The most common refrigerant today, R-22, has a 100-year GWP of 1,810, almost 2,000 times the potency of carbon dioxide, so just one pound of R-22 is nearly as potent as a ton of carbon dioxide.

What are the different types of refrigerant?

Refrigerant types: CFC Refrigerant: CFC refers to the chemical composition of the refrigerant. Chlorofluorocarbon indicates that the refrigerant is comprised of Chlorine, Fluorine, and Carbon. Common CFC refrigerants are R-11, R-12, R-13, R-113, R-114, and R-115. A blend that contains a CFC and any other product is still considered a CFC

How many refrigerant blends are there?

Since over 100,000 refrigerant blends are possible, this list should only have notable refrigerants and refrigerant blends. Temp. 100? B1 40,000? 200? 100? B1