Maintenance & Reliability
HP Reliability: Avoid three-dimensional compressor impeller failures
 Fig. 1     Three-dimensional impeller with integral blading being machined (Source: Babcock-Borsig, Berlin, Germany Cl..
Case 35: Technical checklists
Our memories are not always adequate
Field-installed vibration values for centrifugal pumps
HEINZ P. BLOCH, Reliability/ Equipment Editor Comments? Write: HB@HydrocarbonProcessing.com In 2000, the New Jersey-based Hydraulic Institute issued..
Avoid refrigeration compressor damage
Online monitoring helps prevent liquid injection and operating in choke
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..
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