Maintenance & Reliability
HP Reliability: Split Flow inline vertical pumps: a new option
When process designs use API 610 centrifugal pumps for dual-service applications, use of the Split Flow feature provides unique benefits: Permits use of two pumps instead of four – capital savi..
Looking for RCFA databases? Consider failure statistics
The data are useful but only the first step toward improving failure analysis
Reliable machines require competent maintenance skills
A proactive approach will provide significant returns through better utilization of existing staff
Retrofitting multijack tensioners on a combustion gas turbine generator
Consider this technology for difficult bolting applications
Fieldbus improves control and asset management
Substantial benefits are realized from increased diagnostics and process data
HP Reliability: Consider overspeed protection retrofits
The overwhelming majority of small turbine overspeed trip devices are mechanical; they incorporate a spring-activated trip bolt that moves out and contacts a trip lever whenever a pres..
Case history 6: Keep those bolts tight
It’s important to keep operating loads less than the bolt preload
HP Reliability: Consider disc pumps where impeller pumps fail
Until recently, finding a suitable pump was difficult for plants pumping viscous fluids or fluids that undergo viscosity change. Here, using conventional centrifugal pumps may lead to poor performance..
HP Reliability: Strategic mechanical seal partnerships
Not all mechanical seal supplier agreements benefit both parties equally. We have recently seen some rather one-sided ones. At a recent users conference, the suggestion that the "partner" should discl..
All you need to know about centrifugal pumps, Part 2
Specific applications, condition monitoring and other considerations are detailed
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