Rotating Equipment
Reciprocating compressors running together—Is that a problem?
A new maintenance engineer is assigned the task of overseeing large, critical rotating equipment in a petrochemical facility (Fig. 1). In this example, the facility has vent-gas compressors that, in g..
HP Reliability: Consider single-point responsibility for compressors
Equipment purchasers are always interested in meeting the cost and schedule targets for projects. However, there could be conflicting goals when purchasing compressor drivers and/or auxiliaries from v..
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..
GE to buy Cameron’s reciprocating compression division for $550 million
The division provides reciprocating compression equipment and aftermarket parts and services for oil and gas production, gas processing, gas distribution and independent power industries.
Sadara selects Metso to supply valves for Al Jubail chemical complex
Metso's valves will control process flow in several process areas in the complex including the mixed feed cracker, downstream units and utilities. The order was booked during the 2013 year.
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..
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..
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