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Recent content by MJCronin
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Question on V-Loops
I was a piping engineer for > 40 years and have never heard of "V loops" Is this a special name for a proprietary component offered by a single vendor ? .... Like a "WHATABURGER" ? Without talking to the chef, I will never know exactly what is in my WHATABURGER Did you ask your MBA boss what...- MJCronin
- Post #6
- Forum: Pipelines, Piping and Fluid Mechanics engineering
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Feed Water Control
Post the pump curve and tell us your operating point ... Where is the system SUPPOSED to be operating ? How old is the system ?... 30?... 40 ....50 years old Steam traps/DAs that are ignored by MBA Bhutt wipes, have ruined many, many boiler system .. Boiler, pump valves and traps are all one...- MJCronin
- Post #5
- Forum: Boiler and Pressure Vessel engineering
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thickness tolerance of piping Vs plates
Have you talked with a structural PE ?... Have you reviewed ASTM/ASME standards on thincknesses and tolerances ? The tolerance would be referred to or contained within the ASTM document, in my experience ,,, Here is SKYNET's expanation...- MJCronin
- Post #2
- Forum: Boiler and Pressure Vessel engineering
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Single Line on Piping
Let the guessing games begin !!!! .... This third-world clown will never define his terms, nor does he care if his question is answered !! He will not provide details and refuses to give exerpted .PDF details of the document he misunderstands !!! He just enjoys teasing the barely sentient...- MJCronin
- Post #7
- Forum: Pipelines, Piping and Fluid Mechanics engineering
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New Snack food sweeping AMERICA !!
- MJCronin
- Thread
- Replies: 4
- Forum: Boiler and Pressure Vessel engineering
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Steam generation
The dewpoint factor is partiularly important . I believe you should investigate static economizers on boiler flues Harvesting waste energy at the cold end of the process often involves using premium materials (or coatings) for HX tubes. This will stongly affect the estimated costs... Review...- MJCronin
- Post #12
- Forum: Chemical plant design & operations
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outside pressure wall pipe thickness
No, Najeeb, no I will not .... You have been giving us nothing for years You get what you pay for- MJCronin
- Post #5
- Forum: Pipelines, Piping and Fluid Mechanics engineering
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DESIGN RECUPERATORS
"Please"... "Thank you" and "Your Welcome" is not practiced by your tribe ?- MJCronin
- Post #2
- Forum: Heat Transfer & Thermodynamics engineering
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Mininimum Allowable Differential Between Operating Pressure and PSV Set Pressure.
Review ASME B31.1 on what is required (both setting AND FLOWRATE) for these types of relief stations What is the piping design "Code of Record", Pav ?- MJCronin
- Post #2
- Forum: Safety Relief Valve engineering (PSV)
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Surface Condenser Design (TEMA Type BEM)
Wild ideas from a disgusted, feral (and cancerous) geezer ... 1.) Google "steam surface condenser" "eng-tips" and "MJCronin" together - What can you learn here ? 2). Since this is your first heat exchanger ever, investigate the term "thermal approach temperature" 3). Go back to...- MJCronin
- Post #23
- Forum: Heat Transfer & Thermodynamics engineering
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Pressure drop for heat exchangers
Only 27 more questions to go before the OP understands that GIGO !!!- MJCronin
- Post #6
- Forum: Heat Transfer & Thermodynamics engineering
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Steam piping
Yes, either .... and several other materials .. What does your piping spec say ? ... Was the original piping spec sheets thrown away by previous plant owner ? ASME B31- MJCronin
- Post #3
- Forum: Pipelines, Piping and Fluid Mechanics engineering