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Pressure/Temperature Chart. Johnstone Supply is a leading wholesale distributor for HVACR equipment, parts and supplies available and in-stock at local branches.
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.
Enter the pressure and temperature in any of five units of pressure (atmospheres, bar, kilopascals, pounds per square inch, or millimeters of mercury) and five units of temperature (degrees Celsius, Kelvin, Fahrenheit, Rankine, or Réaumur).
This is a pressure-temperature chart that specifies the saturation pressure for R410A at any given temperature. The R410A PT chart can be used to answer questions like: What are normal operating pressures for 410A? What is the pressure of r410a at 72 degrees Fahrenheit? What should gauge read for 410A?
Temperature and pressure diagram for constant boiling refrigerants - imperial and SI units.
Basically, this 134A PT chart tells you what is the pressure of R134A refrigerant at certain temperatures. The charts start at the low end (-49°F) and tell you the pressures all the way to the high end (150°F).
Critical Pressure (psia) 838.6 Critical Temperature (°F) 172.6 Critical Density (lb./ft^ 3) 26.5 Vapor Density (bp, lb./ft^ 3) 0.2 Liquid Heat of Vaporization (bp, BTU/lb.) 49.3 Ozone Depletion Potential (CFC 11 - 1.0) 0 Global Warming Potential (CO2 = 1.0) 677 ASHRAE Standard 34 Safety Rating A2L Refrigerant Boiling Point Physical Properties