Pumps
HP Reliability: Best practices when trim-cutting closed-pump impellers
Experienced reliability professionals will implement least-risk solutions whenever possible. The following example relates to impeller trimming to reduce the diameter of a fixed-speed centrifugal pump..
HP Engineering Case Histories: Case 77: Random deck vibration with beats
When something vibrates, it is usually in a predictable manner. Motors, pumps, compressors, turbines and centrifuges all vibrate when they are out of balance. Vibration analysis can help predict the s..
HP News
US senator suggests lifting ban on oil exports    The Trans-Alaskan pipeline terminus in Valdez, Alaska. Photo courtesy of The Center for Land Use Interpretation. Senator Lisa Murk..
Update on lubrication systems
Several case histories illustrate the pros and cons for maintaining rotating equipment under various plant conditions.Example 1In late May 2013, a US oil-mist provider in one of the Great Lakes states..
Control moisture in ‘wetted’ rotating equipment
In turbomachinery, water is one of the most deleterious contaminants. Left unchecked, moisture can severely reduce the service life expectancy of oil-wetted rotating and reciprocating components by as..
Improve quality of lubricating fluids via filtration
Micro-sized dust particles, along with water, can ruin the best lubricating fluids. Contamination of lubricating fluids can occur due to the byproducts of combustion, metal wear, oxidation and more. T..
Wide design margins do not improve engineering
Engineers use design and safety factors in sizing and specifying instrumentation or major process equipment, such as pumps, valves and compressors. Design factors are applied to cover the uncertainty ..
HP Reliability: Was that a failure or ‘just a repair’?
Purists among reliability professionals are sometimes concerned about the accuracy of the measurement of the mean-time-between-failure (MTBF) of an asset. There are many ways to conduct this failure f..
HP Reliability: Demand specifics in designing your asset management programs
In 2009, an automation journal commissioned an online survey asking industry observers and practitioners to rank technology trends in 2009 and beyond.1 Table 1 summarizes the respondents’ prefere..
HP Engineering Case Histories: Case 76: Simple troubleshooting analysis tips are useful
Analyzing failed parts or poor operation requires the proper skills and equipment. Sometimes these investigations are not always very difficult. Often, troubleshooting a failure just requires a logica..
- MOL Group introduces eco-friendly Bag-in-Box packaging for lubricants 12/5
- Honeywell to supply integrated automation systems for flagship UK carbon capture projects 12/4
- Aduro Clean Technologies collaborates with ECOCE to advance plastics recycling in Mexico 12/4
- FincoEnergies launches GoodFuels B15: A reliable and compliant drop-in biofuel for inland shipping 12/4
- DevvStream, Southern Energy Renewables target low-cost, carbon-negative SAF and green methanol 12/4
- AFPM: Revised fuel economy standards would put CAFE back on solid legal footing 12/4
