HuixianTianyang Electric Co.Ltd.
Application fields of R134a refrigerant
2026-03-19
R134a refrigerant is a colorless and odorless gas. It is currently the most commonly used environmentally friendly refrigerant because it does not damage the ozone layer nor increase the greenhouse effect. The working pressure and application scope of R134a refrigerant are related to its physical and chemical properties. This article will briefly introduce these two aspects.
The working pressure of R134a refrigerant
The working pressure of R134a refrigerant varies depending on the system and environmental temperature. Generally, the normal high-pressure should be 1.3-1.7 MPa (13-17 kg/cm²), while the normal low-pressure should be between 0.15-0.25 MPa (1.5-2.5 kg/cm²). Under an ambient temperature of 25°C to 30°C, the low-pressure operation pressure of R134a refrigerant can generally reach the refrigeration requirements within the normal range of 0.01 MPa to 0.03 MPa. During the maintenance process, when adding R134 refrigerant, the low-pressure should be controlled between 0.8 and 0.85, and if it exceeds 0.9, it is considered as overfilling.
The application fields of R134a refrigerant
R134a refrigerant is widely used in various devices, including:
Refrigerator
Dehumidifier
Refrigerator
Water dispenser
Automobile air conditioning
Central air conditioning
Ice cream machine
Cold storage
Ice water machine
Refrigeration condensing unit
Commercial refrigeration equipment
In addition, the R134a refrigerant can also be used in aerosol propellants, medicinal aerosols, insecticidal aerosol propellants, polymer (plastic) physical foaming agents, and magnesium alloy protective gas fields. The R134a refrigerant is widely used in multiple fields such as industrial refrigeration, commercial refrigeration, household refrigeration, and transportation refrigeration due to its excellent comprehensive performance, non-toxicity, non-flammability, and non-corrosiveness, and is suitable for daily use.
Summary
R134a refrigerant is an environmentally friendly refrigerant. Its working pressure and application scope are related to its physical and chemical properties. The working pressure of R134a refrigerant varies depending on the system and environmental temperature. Its saturated vapor pressure changes with temperature. R134a refrigerant has a wide range of applications, which can be used in various refrigeration equipment and other fields. It has the advantages of being non-toxic, non-flammable, and non-corrosive, and is an ideal refrigerant.
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