The characteristics of refrigerant R404A and application in the refrigeration equipment

r404a, also known as R - 404 a, is made up of HFC125,, HFC - A and HFC - 134 143, which is a mixture of colorless gas at room temperature, under pressure from its own colorless transparent liquid. It belongs to the HFC type non azeotropic refrigerants, environmental protection is the most countries in the world of the mainstream of the recognition and recommend low temperature environmental protection refrigerants, entirely without CFC, as destruction of the ozone layer, so it is widely used in the low temperature of new commercial refrigeration equipment, transportation, refrigeration equipment, or update your equipment to add in the process of die erste installation and maintenance. Cold storage refrigerant R404A as today's widely used in low temperature refrigerant, cold storage including but not limited to food refrigeration equipment, Marine refrigeration equipment, industrial low temperature refrigeration, commercial refrigeration, transport refrigeration equipment at low temperature ( Refrigerated trucks, etc. ) , refrigeration condensing units, supermarket display cabinets and other refrigeration equipment's new suit is mostly choose the refrigerant R404A. Although refrigerant R404A cup is widely used because of its * * and environmental protection, but it is important to note that if the original refrigeration equipment chosen is r114 and R22, subsequent add or replace the refrigerant, in order to ensure the * * and cold storage efficiency still can add the corresponding r114 and R22, which is usually not the type of replacement can be change. In the storage and transport refrigeration what are the considerations of refrigerant R404A? Refrigerant R404A cylinders for pressure container, storage should be away from fire and heat source, prevent sun direct insolate, often store in a cool, dry and ventilated warehouse. Should be light, light discharge when handling to prevent damaged cylinders and valves and other accessories. In addition usually and refrigerant R404A with refrigeration oil: ICEMATIC SW32, SW220, EMKARATE RL32H, RL170H, but in different equipment, different application places what frozen oil, * end use should comply with the refrigeration compressor and refrigeration ( Air conditioning) Equipment manufacturers advice, or according to the refrigeration compressor, refrigeration equipment used in the specific circumstances to determine the use of the same design and technician requirements freezer lubricating oil.

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