[caption id="attachment_2657" align="alignleft" width="300"] Sewage and sump areas are a source of explosive methane gas. A spark from a pump controller can cause an explosion. Using the proper "no spark" contacts can reduce the threat of explosion.[/caption] Pump project integration specialists have to be part businessman, part finance officer, part engineer and part fortune teller.…
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Seal Failure Detection in Submersible Pumps
Seal failure is a condition where a submersible pump and its motor housing have been compromised. Water has penetrated into the housing which is normally filled with oil. Most pumps have what is known as a double seal: If the first seal fails, it gives us time to do maintenance before (inevitably) the second seal…
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Potable, Waste Water Management Critical to Civilized World
The movement and control of water for centuries has puzzled, confounded and challenged the even the greatest engineering minds. Still does today on some scale. How do we extract water out of the ground? How do we move waste water from one place to another? How do we lift water from reservoirs and put it…
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Why UL508A Standards Matter
UL508A is the Underwriters Laboratory (UL) rating that provides standards and certifications for electrical control panels. It promotes safety, sustainability and consumer confidence in electrical control panels. If you think UL raking is something out of the past, you are correct. In fact, the practice of safeguarding the public against the dangers of fire hazards…
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