Maintenance & Reliability
Monitor and control cooling water corrosion
Corrosion coupons and online instruments help diagnose problems
Understand gaskets
Follow these guidelines to avoid sealing problems
HP Reliability: A 'hundred-plus points' to improve pump reliability, Part 3
Last month's column addressed items 35 to 68. Here we present items 69 to 102. F. Mechanical improvement options continued 69. In lieu of item 68, strongly consider using Vespel CR6100 carbon fil..
Case 20: Cold startup bearing failures
Excessive clearance and hard starts can cause problems
An effective method for analyzing piping vibration problems
The matching mode shape technique combines field vibration data with natural frequency information
Hybrid fault patterns for diagnosing gas turbine component degradation
Faults and their locations can be identified by analyzing efficiency and vibration simultaneously
HP Reliability: A 'hundred-plus points' to improve pump reliability, Part 2
Last month's column addressed items 1 ? 34. Here we present items 35 to 68. C. Lubrication issues, continued 35. On grease-lubricated couplings, verify that only approved coupling greases are use..
HP Reliability: A 'hundred-plus points' to improve pump reliability
In the September 2003 issue of HP ("Letters to the Editor,") we had promised to provide reminders of "things being done" by users that consistently achieve high pump reliability. The point was made th..
Case 19: A steam turbine diaphragm failure
Confined water converted to steam develops high pressures
Using creep life assessment of FCCU internals to determine operational reliability
These guidelines can help avoid failures
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