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Quotes - Engineering - SalesTank Jacket Retrofit
Adding a Jacket to an Existing Vessel
Clamp-on Temp-Plate panels are formed to the vessel radius, coated with heat transfer mastic and bolted to lugs welded to the outside of the shell. Nothing penetrates the pressure boundary and in many cases the vessel barely comes out of service.
Three-step installation. Align the panel and mark the lug positions, weld the lugs, then mount the panels on the supplied spring-bolt assemblies. Quotations normally include the hardware and factory-applied mastic.
Mastic is not optional. An inflated panel touches a flat wall only at the pillow crowns, and the air between is an excellent insulator. Mastic fills those gaps and turns intermittent contact into a continuous thermal path.
Above 450°F. Pre-applied mastic is available up to about 450°F design temperature. Above that, hardening heat transfer cement is supplied loose for site application.
Common FAQs
Usually only briefly and sometimes not at all. Lugs are welded to the outside of the shell, and depending on your process and jurisdiction that may be possible in service. The pressure boundary is never cut.
The mounting lugs can be supplied in an alloy compatible with your vessel for welding, while the panels themselves stay in a more economical stainless or carbon steel, since they never contact the process.
Yes. They are bolted rather than welded, so they come off if the vessel is repurposed, leaving only the lugs behind.
It follows the duty, the medium temperature and how much of the vessel wall is available and wetted internally. Send the tank dimensions, the contents and the required heat-up or cool-down time.
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