ABC Commodities

News and Updates

Converting to Pumps With Mechanical Seals in Chemical Processing

IMAGE 1. Single mechanical seal mounted in a conventional process pump stuffing box (Images courtesy of Hydraulic Institute) The selection of seal chamber design and seal arrangement is based on requirements to maintain a proper environment for the mechanical seal. Factors to consider include normal operation, startup and shutdown conditions, and standby. Venting of vapors …

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Wastewater experts: Stop flushing wet wipes, even if manufacturers say it’s safe

Have you ever flushed a wet wipe down the toilet? The wipes are a billion-dollar industry, but wastewater experts say flushing them is causing sewage back-ups and a multi-million-dollar mess. Wastewater experts say unless it’s toilet paper, you shouldn’t flush it down, begging people to stop flushing wet wipes, even if manufacturers say it’s safe. Sewer system …

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Rethink Infrastructure For An Age Of Biological Risk: #COVIDPandemic

With hours-long screening lines at America’s airports causing confusion and frustration, with supply chain shortages limiting access to essential goods, with economically important events being cancelled and mass transit ridership plummeting as people create social distance, it is clear that the country’s infrastructure is ill-prepared for the type of natural disaster that coronavirus presents: the kind that drives people apart rather than bringing …

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Predicting Remaining Useful Life of Pumps & Their Key Components

Unscheduled shutdowns, failure, maintenance and part replacement are key factors of operation, efficiency and economy for any plant or facility. About 20 to 40 percent of overall operating costs are due to maintenance actions, which can be a considerable amount of money. A key factor for improvements in maintenance policies, preventing failures, and avoiding unnecessary …

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Optimizing Lube Oil Pumps for Rotating Machinery

The circulating lubrication oil system is essential for cooling and lubricating all kinds of rotating machinery. In typical train steams or gas turbines, diesel engines, reduction or step-up gears, compressors, generators, pumps or expanders could be included. The oil system includes a number of components for which the pumps provide adequate flow and pressure—such as …

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