Category: Utility, Process and Support Equipment/Systems
Oct
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Transformers can be either dry type or fluid filled. In this article, we will talk about fluid filled  transformers and, in particular, the types of testing that should be conducted on the fluid or oil …

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Jun
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The benefits of an Electrical Preventive Maintenance (EPM) program at an industrial or commercial facility are well known. In our January 2005 article “Electrical Testing,” we explained that deterioration of electrical equipment is normal, but…

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Feb
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With the advent of today’s electronics devices comes a new power source: rechargeable lithium ion (Li-ion) batteries. The technology of Li-ion batteries packs a decided punch in that the power to weight ratio (power density)…

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Nov
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Emergency generators are used to maintain electrical power to facilities and equipment considered important and/or critical to continued plant operations. They may be found in occupancies such as data processing, molten materials, communications switching, medical…

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Mar
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On a regular basis we look at our previous articles and, when sufficient changes occur, we update them for our readers. Sometimes it’s due to new technology, sometimes to loss history and sometimes to look…

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Jun
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Metal cleaning can be performed through spraying/immersion in solvents, corrosive solutions and vapor degreasers, through mechanical cleaning, and, by heating treating in oil or molten salt baths (discussed in our February 2011 article). In this…

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Oct
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Commercial ammonia refrigeration systems are widely used throughout various industries, but are used primarily in the food industry to help prolong shelf life. All refrigeration systems operate essentially as heat pumps, removing the heat from…

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Sep
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The use of natural gas is very common in most industrial and commercial buildings. The gas can be used for process and/or heating. Natural gas is highly combustible, and various precautions are needed to ensure…

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Oct
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In our discussion of Ammonia refrigerated warehouses, we should begin with an understanding of what we are dealing with. ANSI/ASHRE-15 classifies Ammonia as a Group 2 Refrigerant – prominently a toxicity hazard. Your main concern…

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Jan
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The electrical demands in industrial or commercial buildings vary from simple lighting and heating requirements for an office building to major on-site power distribution centers for a steel mill, semiconductor plant or other large manufacturing…

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Sep
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Cooling towers are very common in commercial/industrial occupancies. They may be used to for air conditioning needs or for process cooling for certain types of production equipment. Towers used for process cooling can be an…

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Jul
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Heat transfer systems are used widely throughout various industries. Their most common use is in chemical processes where temperature control is needed for large quantities of materials. The greatest concern is where the heat transfer…

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Jun
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Heating equipment such as boilers, heaters, ovens, kilns or process furnaces are found in all businesses and industries. The equipment can be utilized simply for building heat or be a key element in the manufacturing…

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Mar
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What Is An Ice Plug? When, Where, And Why Do They Form? Ice plugs can be a grave problem since they have the ability to seriously impair sprinkler system piping. Contrary to popular belief, ice…

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Feb
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A typical summer thunderstorm is predicted for later in the day. You dread the incoming weather change because you were hoping for a nice dry weekend. This rain will ruin your weekend. This thunderstorm is…

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