Interesting Info

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Interesting Code - NH3 System Pressure Testing, Leak Testing, and EvacuationPressure testing, Leak testing, and Evacuation A lot of questions seem to surround this very routine practice…what test gas? What pressure? How Long? How “deep” of a vacuum? The amazing work that the International Institute of Ammonia Refrigeration (IIAR) has done on behalf of our industry with glob

Temperature Pull down for New FreezersIn talking with a good friend and previous coworker, I was reminded of a project that happened not-so-long-ago with a new freezer. The general contractor requested a pulldown schedule for the new freezer space from ambient temperature to operating temperature (-5F) so as to best protect the building

Feeling the Pressure - Piping for RefrigerationSo you are building a new refrigeration system or adding on to an old one..

Condenser Side Stream Filtration - A Dirty RealitySide stream filtration is a critical component of maintaining the efficiency and longevity of evaporative condensers and cooling towers. Side stream filtration systems continuously filter a small percentage of the total water volume, removing suspended solids and other contaminants from the circulat

The Importance of NDT: Ensuring the Integrity of Ammonia Refrigeration Piping and Pressure VesselsNon-Destructive Testing (NDT) plays a critical role in maintaining the safety and reliability of ammonia refrigeration systems. By detecting and evaluating defects and flaws without causing any damage to the equipment, NDT techniques help prevent potential failures that could lead to significant con

Understanding Stress Corrosion Cracking in Ammonia Refrigeration Vessels: Causes, Prevention, and MitigationStress corrosion cracking (SCC) is a significant concern in ammonia refrigeration systems, as it can lead to catastrophic failures of vessels and equipment. This technical article aims to provide a comprehensive understanding of how SCC occurs in ammonia refrigeration vessels, drawing information fr

Reading between the lines - Daily RoundsDaily rounds, the mundane task of walking throughout your facility, logging all operating conditions, and noting any issues, typically on paper forms, and then turning them in to your supervisor or even just a drop box. This is a routine task for pretty much every industrial refrigeration technician

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