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Another key to preventing high stress events in hot casing is to keep water outside the external lagging. Water and moisture coming in contact with hot casing thermally shocks the casing metal which can cause numerous cracks to form quickly. The unit...

Example of improper technique of insulating the external casing. Failures in the superheater inlet duct can often be attributed to improper external insulation techniques. To properly insulate stiffened, hot casing, such as shown in Figure 1, even layering...

Typical Superheater inlet transition duct Eliminating unnecessary downtime for critical process equipment is always at the forefront of any plant operator’s mind. While plant components such as converters, burners, pressure vessels, piping, and valves...