Maintenance & Reliability
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..
Failure analysis of above-ground storage tank bottom plates
Here are the field performance assessments and remedial measures
HP Reliability: Consider oil mist for positive-displacement blowers
       Positive-displacement blowers (Fig. 1) are often used to move air ranging in pressures from slightly negative to about 15 psig (~ 1 bar) positive. These rotary-lobe machines..
Case 47: Refrigeration system vibration
A systematic procedure can identify the vibration source
HP Reliability: Remembering Flixboro: part 2
Last month's column attempted to make the point that reliability professionals must search for answers to questions as to why equipment failed. It related when one of six cyclohexane oxidation reactor..
Innovative approach solves CCR regenerator pinning problem
The root cause was regenerator gas blower oversizing
Remembering Flixboro: part 1
At a recent gathering of over 500 reliability professionals in Texas, we invited questions from the audience. I was asked what I thought of installing flexible piping (or connectors) on centrifugal pu..
Caustic injection relocation project
Corrosion and fouling in the second preheat exchangers were eliminated
Case 46: Rotary screw compressor failure
Most complex equipment can be simplified
- Bechtel greenlit for Sabine Pass Liquefaction expansion in Southwest Louisiana (U.S.) 5/29
- Philippines receives rare Iranian crude cargo after wartime disruption 5/29
- Gazprom and Sibur resume talks on possible ethane project to supply additional feedstock to the Kazanorgsintez petrochemicals plant 5/29
- European Commission debates policy shift to protect industry from China 5/29
- Mitsui seeks LNG investments to meet power demand from data centers 5/29
- Kenyan government backs Gulf fuel supply deals after opposition criticism 5/29
