When should you choose to use a gasketed plate, brazed plate, or shell and tube heat exchanger? Often in HVAC, plumbing, or industrial systems any... READ MORE
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When should you choose to use a gasketed plate, brazed plate, or shell and tube heat exchanger? Often in HVAC, plumbing, or industrial systems any... READ MORE
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When looking at Bell and Gossett pump selections, we often find higher part load efficiency (PLEV) pump choices are to the right of the BEP, or best... READ MORE
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In the last two Monday Morning Minutes, we introduced the PLEV, or Part Load Efficiency Value, from Bell and Gossett. When we use part load... READ MORE
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Featured image for “Bell and Gossett Part Load Efficiency Value Part 2: How to use PLEV”
Norm Hall, R.L. Deppmann and Chad Edmondson, J. M. Pleasants
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June 27, 2016
In the last Monday Morning Minutes post, we introduced the PLEV, or Part Load Efficiency Value from Bell and Gossett. This week we look at some... READ MORE
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In the last Monday Morning Minutes post, we explored motor and drive efficiency at part load conditions as a possible reason for the rule of... READ MORE
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In last week’s Monday Morning Minutes (MMM) post, we offered some rules of thumb about using 100% standby pressure booster systems versus 50%-50% staged systems. So, why do... READ MORE
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In the last three RLD Monday Morning Minutes, I made the case for a pre-pressurized tank in variable-speed pressure booster systems. Today, let’s look at... READ MORE
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In last week’s RLD Monday Morning Minute, I described a brief history of pressure-boosting systems and the introduction of the pre-pressurized tank. This week we continue... READ MORE
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When you use the word vacuum with most people, they think of sucking something up like a vacuum cleaner does. There are times that vacuum condensate systems were used to lift or “suck up” the condensate from a lower level. Today, we will examine the use of vacuum condensate pumps to lift condensate from a low return. [Read More…]... READ MORE
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