Refrigeration

Tyson Foods Settlement with EPA Addresses Multiple Releases of Ammonia

April 22, 2013
On April 5, the U.S. Environmental Protection Agency (EPA) and U.S. Department of Justice announced a Clean Air Act settlement with Tyson Foods Inc. and several of its affiliates to address threats of accidental chemical releases after anhydrous ammonia was released during incidents at facilities in Kansas, Missouri, Iowa, and Nebraska.


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Showing Signs of an Overlooked Part of Supply Chain

April 22, 2013
“Now Hiring! Freezer Salesman in United States.” Well, there’s a new one for me. Usually at trade shows, somewhere in a booth might be a small sign saying, “Manufacturer representatives wanted.” The exhibitor in question also wanted to make it clear that there were openings for folks willing to bring attention to their line.


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The Professor: Controlling Evaporator, Defrost Efficiency

April 1, 2013

The evaporator is a major component in the refrigeration system, and an efficient evaporator plays a key role in saving energy. 


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R-744 Goes Transcritical in North America

April 1, 2013

New refrigerated equipment is being designed to run on so-called natural refrigerants such as ammonia, hydrocarbons, and CO2.


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The Eight Steps of Retrofitting HFC Refrigerants

March 18, 2013
This article focuses on the retrofitting of HFC refrigerants into systems designed for use with HCFC-22. There are now a wide range of HFC retrofit refrigerants for a wide range of R-22 applications from air conditioning through refrigeration.


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A Look at Refrigeration Regulations

March 18, 2013
The ever-changing world of refrigeration equipment regulations is getting an update. A recently published white paper addresses a variety of topics, including new Energy Star standards, new legislation affecting refrigerated display cases, and required certifications for commercial foodservice equipment.


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Keeping Track of Refrigerants

March 18, 2013
With supplies of some refrigerants dwindling, costs rising, and recordkeeping and venting regulations in place, the need for careful refrigerant management is needed more than ever. That being the case, more and more manufacturers are coming out with products to address the need.


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The EPA Cracks Down on Illegal R-22 Importation and Sale

March 18, 2013
The Alliance for Responsible Atmospheric Policy, an industry coalition, said in November 2012 the United States government successfully concluded 11 criminal and civil cases related to HCFC-22 refrigerant smuggling over the last two years.


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There’s Reason to Fuss About Hydrocarbons’ Flammability

March 18, 2013
A reader raised concerns over a refrigerant product on the shelf of a farm supply store. The product had as its sales pitch, “Why switch from the traditional R-22 refrigerants,” and it was noted on the label that the package contained the equivalent of 30 pounds of HCFC-22.


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Bitzer U.S. Inc.: Ammonia Industrial Refrigeration Packages

March 11, 2013

A line of ammonia industrial refrigeration packages ranges from motor-compressor combinations on rails to complete rotary screw compressor packages. The NH3 screw compressors are available in 20-300 hp.


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