Refrigeration

Five Qualities Fluid Automation Devices Should Possess for Low-Temp Applications

Picking Valves and Other Parts That Can Handle the Harsh Conditions Takes Extra Care
September 16, 2013
Valves control the flow of compressed air or other fluids, and on cylinders to control motion. But the cold truth is that low temperatures can cause problems for these fluid automation devices all along the line — from selection and delivery to operation and maintenance.


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Purdue Conferences Seek Papers

Concurrent Conferences Set for 2014
September 16, 2013
The dates are set for next year’s three concurrent HVACR conferences at Purdue University. For authors wishing to present papers at any of the conferences, the abstract submission deadline is Dec. 20, 2013.


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ICOR Provides Information to the Industry Digitally

Superheat/Subcooling Calculator Goes Digital for Mobile
September 16, 2013
ICOR International has announced some new support services. One is a digital version of its NU-22B superheat/subcooling calculators in a mobile app. ICOR also announced a new and improved corporate website.


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Opening Up Students’ Minds to Their Job Options

Vocations Can Include the Manufacturing Sector as well as the Trades
September 16, 2013
During the summer, the U.S. congressman representing the district in which I live visited a Danfoss plant where variable frequency drives (VFDs) are manufactured. In a Q&A with the media, the congressman spoke of the need to introduce young people to the value of being part of the manufacturing sector.


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The Bottom Line on Natural Refrigerants

Conference Presents Business Case for F-Gas Alternatives
September 16, 2013

A recent state-of-the-industry panel session focused on the cost-effectiveness and energy efficiency of natural refrigerants when compared to the much more common f-gases.


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Sept. 11, 2013: DOE Issues Notice of Rulemaking and Public Meeting on Walk-In Cooler/Freezer Efficiency Standards

Public Meeting/Webinar Is Set for October
September 11, 2013
The U.S. Department of Energy (DOE) has issued a pre-publication Federal Register notice of proposed rulemaking regarding energy conservation standards for walk-in coolers and walk-in freezers. A public meeting has also been scheduled for October.


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Propane, Ammonia, and CO2 Are Natural Choices for Supermarkets

New Technologies Guide Shift from F-Gases
September 9, 2013

On the horizon are the so-called natural refrigerants. Measurements in real-world applications are continually pouring in, offering more evidence of the potential impact — or lack thereof — that these so-called natural refrigerants possess.


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Efficiency and Volume Top Walk-In Wish Lists

Noise, Cost in High Demand for Restaurant Owners
September 9, 2013

In restaurants, those large, walk-in refrigerators and freezers need to be energy efficient to help maintain sometimes thin profit margins. And they need to run quietly so as not to disturb customers who may find themselves seated close to the kitchen. 


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Supermarket Talk Turns Natural

New Technology Could Make Refrigeration ‘Sexy’
September 9, 2013

In supermarket refrigeration, much of the refrigerant talk is on the so-called ‘naturals.’ And among the naturals, one of the most talked about is R-744 (CO2). 


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The Professor: An Overcharge of Refrigerant

Knowing Symptoms Can Lead to Solutions
September 2, 2013
It is the system check sheet that will tell the service technician whether a system is overcharged or not. Service technicians must install pressure gauges and thermistors — or some other sort of temperature-sensing devices — in order to systematically troubleshoot a refrigeration system correctly.


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