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404a Refrigerant Temperature Pressure Chart – techtownforum.com R404a Refrigerant Pressure Chart Temperature (Fahrenheit) Pressure Temperature (Celsius) R404a - 50°F - 45.6°C 0.1 psi - 45°F - 42.8°C 2 psi - 40°F - 40°C 4.3 psi - 35°F - 37.2°C 6.8 psi - 30°F - 34.4°C 9.6 psi - 25°F - 31.7°C 12.7 psi
When conducting repairs or diagnostics on a commercial cooler or freezer with R404a refrigerant, checking the pressure is key. However, in order to know the proper pressure, you also need to identify the correct corresponding temperature. The chart below helps you know what pressure R404a should run at. R404a Refrigerant Pressure Chart
R134a Pressure-Temperature Chart – techtownforum.com R134a Pressure-Temperature Chart Temperature Pressure -40°F (-40°C) 14.8 PSIG -35°F (-37.2°C) 12.5 PSIG -30°F (-34.4°C) 9.8 PSIG -25°F (-31.7°C) 6.9 PSIG -20°F (-28.9°C) 3.7 PSIG -15°F (-26.1°C) 0.1 PSIG -10°F (-23.3°C) 1.9 PSIG -5°F (-20.6°C) 4.1 PSIG 0°F (-17.8°C) 6.5 PSIG
To help service technicians better understand its properties, below are some common facts and a helpful R134a pressure chart for commercial refrigerators. Major Properties of R134a Refrigerant. Boiling point: -14.9°F (-26.1°C) Critical temperature: 252°F (122°C) Auto ignition temperature: 1,418°F (770°C) Ozone depletion level (ODL): 0
When conducting repairs or diagnostics on a commercial cooler or freezer with R404a refrigerant, checking the pressure is key. However, in order to know the proper pressure, you also need to identify the correct corresponding temperature. The chart below helps you know what pressure R404a should run at.
When conducting repairs or diagnostics on a commercial cooler or freezer with R404a refrigerant, checking the pressure is key. However, in order to know the proper pressure, you also need to identify the correct corresponding temperature. The chart below helps you know what pressure R404a should run at.
R404a and R507a refrigerants can't be used on retail or household refrigeration, retail food processing units and dispensing equipment: 2021: R134a, R404a and R507a can't be used on centrifugal and positive displacement chillers: 2024: Remaining HCFC refrigerants can't be produced or imported with any exceptions: 2030
1. Testo 557s 4-Way Smart Digital Manifold w/ Bluetooth Set. Source: testo.com. Testo is one of the standards in HVAC tools and makes a wide selection of world-class smart probes. While you can't go with most of their options, this fully loaded manifold really stands out from the rest. The 557s boasts a large, clear display screen, and it comes ...
U.S. Refrigerant Phase Out Chart & Info; Global Warming Potential of Refrigerants; What Happens If You Put R134a in an R12 System? R134a Pressure Chart for Refrigerators, Prep Tables & More; What is R134a Replacement? R12 to R134a Conversion Chart & Formula; Show all articles ( 47 ) Collapse Articles
Suction line should be a maximum of 65*F and not any higher or you are not cooling the compressor properly. On most compressors, 20*-40*SH, not any lower, not any higher. Or again, it’s too much heat. Refrigerant gauges and manifolds are used in wide variety applications.