The last newsletter discussed how differential thermal expansion in fixed tubesheet exchangers might require an expansion joint. Two types of expansion joints are commonly used in exchangers: flanged and flued…
The ISM Manufacturing PMI was 48 percent in July, a 1-percentage point decrease compared to the 49 percent recorded in June. The overall economy continued in expansion for the 63rd…
For October’s segment of “How’d They Do That”, we will focus on a scary (?) problem: Chloride Stress Corrosion Cracking (Cl-SCC). While mobilized to replace several bottom head nozzles on…
It is often desirable to change the service of pressure equipment during its lifetime. There can be substantial savings for a new or modified plant process if existing equipment can used…
Last month, we highlighted ASME Section IX weld procedures and want to dive into the procedure qualifications this month. Every weld procedure that a fabricator uses needs to be qualified…
Condenser Re-Tube – A Virginia utility came to Ward with a challenging project to refurbish two large heat exchangers during an outage. There were options for doing them in parallel…