Maintenance & Reliability
Improve cooling tower gear drive reliability
Applying commodity products instead of engineered solutions can cause premature failure
HP Reliability: Getting all the facts is more important than ever
An old friend once told me that even the thinnest pancake has two sides. He meant to say there are at least two sides to any argument and listening to only one will be a mistake. In harmony with this..
Case 49: Isolating foundations from machinery vibrating forces
Vibration can be detrimental to nearby equipment
Extreme failure analysis: never again a repeat failure
Apply root-cause failure analysis to recurring reliability problems
HP Reliability: Pump suction strainer issues
Does your process piping have strainers located just upstream of the pump suction nozzles? Perhaps you are using them to protect pumps from unintended ingestion of tower packing, nuts, bolts and other..
HP Reliability: Unreliability, global procurement and you
Allow us to suggest that you engage in a "reality check" on the subject of equipment unreliability, global procurement and your own role in the matter. Please examine, realistically and objectively, t..
HP Reliability: Modern blowers can be reliable
If you have ever had to struggle with unreliable blowers, you are not alone. Blowers are low-pressure machines with typical differential pressures of five to 20 psi (roughly 0.3 to 1.3 bar). Whether i..
Case 48: Troubleshooting a roller-bearing failure
Life to failure and design life aren't the same thing
Developments in metal-seated valves for severe-service applications
The most recent design emphasis has been on protecting or removing the seats and seating members from direct impingement by particles in the flow stream
HP Reliability: Recognizing advantageous API seal flush plans
A feature article in the May 2008 issue of HP dealt with sealing issues of interest to industry.1 It explained the energy conservation and environmental benefits described in the API literature. The p..
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