Vessel Name: Depropanizer
Size: 120”ID x 162”ID x 87’-3”
Thickness: 1-3/4”
Weight: 272,051
Material: SA516-60N & SA516-70N/alloy 400 clad
Industry: Refining
Fabrication utilized SAW (tandem arc), GTAW, FCAW welding processes. Semi-automated circle SAW machine was used on the larger nozzles. The tip TIG processes was also used for CRO and welding monel attachments to the monel liner. CRO (Corrosion Resistant Overlay) was performed on all nozzle bores and faces. 30mm strip electrode was used for all LS and GS lane closures. All edges of cladding we mechanically stripped back prior to welding the backer material.
Equipment had 39 4-pass trays, internal piping, transition cone.
Click Photos to Enlarge