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R744 (Carbon dioxide) | Linde G

Although the standard universal specification for R744 is currently under review, we are aware that the moisture content is critical in refrigeration systems. Therefore Linde offers refrigerant grade R744 carbon dioxide in many markets. This product has extremely low levels of moisture, normally below 10ppm by weight. > Get A Quote >

CO2 supermarket refrigeration systems become more comm

May 11, 2016· Direct expansion: A refrigeration system, which includes a compressor, condenser, evaporator coil and some variety of expansion device. Primary refrigerant: A refrigerant that is used to lower the temperature of a secondary heat transfer fluid. For example, R-404A, R-507, R-22 could all be applied as a primary refrigerant. > Get A Quote >

CO2 as a Refrigerant — Five Potential Hazards of R744

CO₂ refrigeration - Improve performance and lower G

Carbon dioxide (CO₂) The efficiency of systems with CO 2 depends more on the application and the climate than with other refrigerants. For all refrigerants there is a decline in system efficiency with increasing condensing temperatures, and CO 2 is among the refrigerants with the steepest drop. > Get A Quote >

Commercial CO Refrigeration Syste

Author: Randy Peterson [PDF]This chapter introduces carbon dioxide as a refrigerant, describes its properties and compares it to other refriger-ants, both traditional and new. It outlines the hazards of CO 2 and explains why CO 2 refrigeration systems differ from conventional systems. Section 1. Criteria for Refrigerant Selection > Get A Quote >

CO2 Refrigeration Systems | Green Cooli

CO2 was one of the most widely used refrigerants alongside ammonia in the early 20th century, but was displaced by the early CFC refrigerants, and practically disappeared from use as refrigerant … > Get A Quote >

CO2 Refrigeration Systems | Zero Zo

According to the US Environmental Protection Agency, CO2 refrigerant has a Global Warming Potential (GWP) of 1 and is considered the baseline by which all greenhouse gases are measured. Not only do Zero Zone CO2 refrigeration systems minimize environmental impact, but they can significantly reduce the HFC refrigerant required for cooling, generating a much smaller carbon footprint for retailers. > Get A Quote >

Learn about CO₂ as a natural refrigerant | High ener

Carbon dioxide offers high heat exchange and low pumping power when used as a secondary fluid. Read more about the benefits and use of CO₂ as a refrigerant. > Get A Quote >

List of refrigerants - Wikiped

351 rows· The following is a list of refrigerants with their Type/Prefix, ASHRAE designated numbers, … > Get A Quote >

CO2 as a Refrigerant — R-744 Advantages/Disadvantag

Jul 30, 2015· This is post number seven of a series. Weighing the Advantages and Disadvantages of R744 Table 1 outlines the advantages and disadvantages of R744 as a refrigerant. The list of disadvantages appears smaller than the advantages list, but these issues should not be overlooked, as they have a significant impact on the safety and reliability […] > Get A Quote >

A Heat Pump Using Carbon Dioxide as the Refrigera

Aug 28, 2013· Using CO2 as a refrigerant. These concerns with HCFC and HFC refrigerants have led to interest in other chemicals that can be used as refrigerants, one of which is carbon dioxide (CO2). > Get A Quote >