Maintenance & Reliability
HP Reliability: Vibration limits for gas turbines
For the past 16 years, this monthly column has often dealt with vibration issues. While many of these would best be addressed in the context of data collected and operational experience with a particu..
Major improvements in reactor effluent air cooler reliability
Joint industry program provides a new methodology for assessing and controlling ammonium bisulfide corrosion
Case 34: Hydrotesting or pneumatic testing?
There is a big difference in safety between the two
HP Reliability: Upgrading your fan bearings
This column has friends and detractors. Our detractors buy (or make) widget model 1952 and hate it when we point out that the recently developed widget model 2006 is better than the previously used st..
HP Reliability: Basis for bearing protector compliance
IEEE 841-2001 is a self-certification standard for electric motors used in the petrochemical and chemical industries. It's worth knowing a bit more about it when considering the mechanical aspects of ..
HP Reliability: Statistics to think about
Some statistics are misleading and some are highly accurate. Here are a few that you may want to ponder. Pump statistics for 2004. For 2004, the US Census Bureau reported 8,535,920 centrifugal pumps s..
Failure analysis of ethylene cracking heater convection section dilution steam tube
Several inspection techniques were required to determine the root cause of the failure
Case 33: Vessels in high-cycle service
Weld failures can be due to manufacturing defects
HP Reliability: Organizing for continuous improvement
Our respected colleague and coauthor of a series of books on machinery reliability improvement, Fred Geitner, recently took a look at North American refineries. He wanted to see how they are typically..
Identifying, monitoring and eliminating rotating equipment shaft voltages
Use these guidelines to avoid problems with both static charges and circulating currents
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- Brazil to start tests for diesel blend containing 20% biofuel in May 4/24
- ATOME announces FID for $665-MM green hydrogen project in Paraguay 4/24
- U.S.: Trump grants 90-day Jones Act waiver extension to curb energy costs 4/24
