Maintenance & Reliability
Reduce plant startup problems
Use these guidelines to avoid delays and costly mistakes
HP Reliability: Storage protection of positive displacement compressors
Preservation or corrosion inhibiting of inactive process machinery depends on the type of equipment, expected length of inactivity and the time required to restore the equipment to serv..
Case 1: The fatigued motor shaft
First in a series of bimonthly case histories. This one reveals why belt tensioning was the real cause of failure
HP Reliability: Become familiar with turboexpander applications
For many years turboexpanders have been used in cryogenic processing plants to provide low-temperature refrigeration. Power recovery has been of secondary importance. Expander efficienc..
Consider compressor upgrade options
Substantial savings in time and money can be achieved
A case study in rapid machinery turnarounds
Here’s how several major repairs were accomplished in less than a month
Gas-lubricated mechanical seals for pumps
New designs decrease the conversion cost for older pumps and improve reliability
Rotating equipment risk-based assessment and benchmarking
Joint industry project on steam turbines identifies high risk areas and helps prioritize maintenance resources
HP Reliability: Use shock pulse methods to monitor bearings
Several modern condition monitoring devices use shock pulse techniques to determine bearing quality. One of these is Prueftechnik's VIBSCANNER, marketed in the U.S. by Miami-based Ludec..
HP Reliability: Upgrade your compressor piston rods
For about the past ten years, the high-velocity oxygen fuel (HVOF) coating process has achieved commercial acceptance. After making inroads in gas turbine applications, these pure, dens..
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