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How Are Tube Sheets Made?

How Are Tube Sheets Made?
Tube sheets are typically constructed from a round flat piece of plate–usually consisting of a thermally conductive, corrosion resistant metal such as aluminum, copper, steel, nickel or some other alloy of these metals. The tube sheet then has holes drilled in the precise locations where the tubes will be within the exchanger. These are typically produced using a combination of CAD software to design and determine the exact positions of the holes, which are then drilled using a computer numerical control (CNC) machine. Next, the tubes are attached using hydraulic pressure or by roller expansion.

The tube sheet is an essential component of a shell and tube heat exchanger because it must support and isolate the fluid within them from the other fluid flowing through the shell. In some cases, where it is particularly important to prevent the tube fluid from mixing with the shell fluid, a double tube sheet might be installed within the exchanger.

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