Seals

Latest Seals Articles

Dry containment seals provide enhanced safety and control of emissions. When coupled with the appropriate piping plans, they can provide early detection of sealing performance deterioration and trigger an alarm if the seal fails.

Gaskets are crushed more frequently than many end users realize. Some maintenance professionals claim that is all they see when they separate a leaking flange. Many simply replace the gasket rather than investigating the cause of the failure in depth.

Performing maintenance tasks correctly the first time has become increasingly important to end users. Today’s end users are tasked with doing more work with less time, fewer resources and smaller staffs while responding to the increase in environmental and other equipment-related pressures.

The criteria for expansion joint selection for fluid piping applications focuses on the expansion joint’s quality, durability and capabilities. To ensure that the rubber expansion joint’s installation provides optimal service life, operators and maintenance personnel must consider specific conditions and take a systematic approach.

Many associations, societies and regulatory agencies have rewritten and redeveloped emissions and leakage standards and controls year after year.

Many associations, societies and regulatory agencies have rewritten and redeveloped emissions and leakage standards and controls year after year.

Many associations, societies and regulatory agencies have rewritten and redeveloped emissions and leakage standards and controls year after year.

Many associations, societies and regulatory agencies have rewritten and redeveloped emissions and leakage standards and controls year after year.

When discussing expansion joint selection, the conversation typically focuses on the quality, durability and capabilities of the expansion joint. However, the expansion joint’s role in the overall energy efficiency and optimization of the piping system is often overlooked.

High performance liquid chromatography (HPLC) is a chemical analysis technique with wide applications, from food and medical safety to manufacturing. HPLC can detect vitamin D levels in blood serum or performance enhancing drugs in urine. The technique has even been used to synthesize blood and determine DNA evidence in forensic investigations.

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Columns

For those of you old enough to remember Lawrence Welk, you’ll notice that the title of this brief column is the final quote from his show’s closing song. I am still a loyal fan of his reruns today.

Despite its name, pump specific speed (NS) does not have much to do with the actual speed of a pump.

A reciprocating power pump, as depicted in Figure 1, is a displacement machine. It has characteristics that are different than a centrifugal pump.

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Today marks the final day of the 2015 International Water Summit (IWS), a gathering of water and sustainability experts from around the globe. Thousands gathered in Abu Dhabi this week to discover solutions to problems such as water scarcity and efficiency.

Previous “Pump System Improvement” columns covered the assessment of simple systems with a single load. The system discussed in this column has multiple loads. Figure 1 is a schematic of a piping system under evaluation.

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Upstream Pumping

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