Reprint from Spring 1999 Insights In the last edition of 20/20 Insights we discussed the elements that must be present in order to produce an explosion. The three legs of the “fire triangle” (fuel, oxygen, and an ignition source) are required to support combustion. In addition, the volume ratio of fuel to air must be within the […]
Read PostAuthor: Kele Inc
Hazardous Atmospheres: Introduction
Reprinted from Winter 1998/1999 Insights Automation dealers are continuing to gain business that was once reserved only for specialty and industrial contractors. It’s a trend that is accelerating very rapidly, and the fastest growth is in the areas of hazardous locations and the monitoring of toxic and combustible gases. Kele is committed to providing the […]
Read PostMeasuring Flow in Tight Spots
Often, one of the most challenging aspects of applying a flow-sensing device is the hunt. Tracking down the elusive and mysterious twenty diameters of straight, accessible pipe that the sensor manufacturer demands can be impossible at times. Let’s face it – it isn’t often that the Architect, Engineer, General Contractor, and all the subcontractors conspire […]
Read PostLighting Controls Can Brighten Business Picture
Reprinted from January 1992 Insights Forty to sixty percent of the average commercial utility bill is for lighting. That bit of gloomy news for building owners is good news for companies that sell and install devices designed to control lighting and lighting costs. Thanks to the availability of a variety of lighting control options, contractors […]
Read PostThe Time is Ripe To Do Something About Multi-Zone Air Handlers
Written by Gil Avery, P.E. – Reprint from September 1991 Insights Multi-zone blow-through air handlers were popular 20 to 40 years ago when energy was cheap. Fortunately these units are not as popular today. Because they have so many negative qualities, they are prime for retrofit and offer a real opportunity to save lots of […]
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