A tube sheet is a flat plate that is drilled with holes to accommodate tubes in a heat exchanger or a boiler. The tubes are then inserted into the holes and secured in place. The tube sheet acts as a barrier between the tubes and the shell or casing of the heat exchanger or boiler, preventing any leakage or mixing of fluids.

The support plate, on the other hand, is a plate that is typically placed below the tube sheet to provide additional support and stability to the tubes. It helps distribute the weight of the tubes evenly across the entire tube sheet, preventing any sagging or bending of the tubes. The support plate also helps prevent vibration and movement of the tubes, ensuring they stay in place and maintain their alignment.

Both the tube sheet and support plate are usually made of metal, such as carbon steel or stainless steel, to withstand the high temperatures and pressure of the fluids flowing through the tubes. They are critical components in heat exchangers and boilers, as they provide structural integrity and ensure efficient heat transfer between the fluids.

Fixed Tubesheet: Two stationary tubesheets attached to the shell, a bundle of straight tubes is connected between the tubesheets and contain baffles to direct the flow around the tubes in order to generate the required heat transfer. A channel cover assembly is attached to each tubesheet.

Floating Tubesheet: This design is similar to the Fixed Tubesheet design except one tubesheet is allowed to move axially within the shell while the other tubesheet is fixed. This configuration allows for the tube bundle to be removable.

U-Tube: Consists of straight length tubes bent into a U-shape with both ends terminating at the tubesheet. The tube bundle is fitted with supports or flow baffles. The tubesheet/tube bundle is placed in the shell and bolted between the head flange and shell body flange. A head assembly is required to direct the fluid in and out through tube bundle. This configuration allows for the entire tube bundle to be removable.

• All Exchangers are designed to standard TEMA configurations designed in accordance with ASME Code, Section VIII, Division 1.
• TEMA class R, C & B
• API-660

• Stainless Steel
• Carbon Steel
• Nickel Alloy
• Duplex

Tube sheets are widely used in various industries for different applications. Some of the common applications of tube sheets include:

1. Heat exchangers: Tube sheets are used in heat exchangers to support and hold the tubes in place. They provide a secure connection between the tubes and the shell or header of the heat exchanger, ensuring efficient heat transfer.
2. Boilers: Tube sheets are an essential component in boilers, where they are used to support and hold the boiler tubes in place. They provide a secure connection between the tubes and the boiler shell, allowing for efficient heat transfer and steam generation.
3. Condensers: Tube sheets are used in condensers to support the tubes and provide a secure connection between the tubes and the condenser shell. This allows for efficient heat transfer and condensation of steam or other vapors.
4. Evaporators: Tube sheets are used in evaporators to support the tubes and provide a secure connection between the tubes and the evaporator shell. They allow for efficient heat transfer and evaporation of liquids.
5. Oil coolers: Tube sheets are used in oil coolers to support the tubes and provide a secure connection between the tubes and the cooler shell. They allow for efficient heat transfer and cooling of oil or other fluids.