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The difference among the flange, blind disk and tube sheet

Flange is a part of pipe to pipe connection. The flange is used for the connection between pipe ends, and the flange on the equipment inlet and outlet is also used for the connection between two equipment. Flange connection is to fix two pipes, pipe fittings or equipment on a welding joint. Between the two welding, add flange pad, bolt together, complete the connection.

Blind disk also called flange cover, and some are also called blind flange or pipe plug. The blind plate is a flange without hole in the middle, which is used to block the pipe orifice. The function of the blind plate is that the pipe is at the end, and it is not allowed to extend forward. The blind plate is fixed on the flange with bolts to play the role of sealing. Its function is similar to that of the head, but different from that of the head, the head is welded and is not ready to be opened again. The blind plate can be removed at any time.

Tube Sheet: A tube sheet is a plate that is used to support and separate tubes in a heat exchanger or other types of pressure vessels. It is typically made of a high-strength material such as carbon steel, stainless steel, or titanium, and it contains holes that are precisely drilled or punched to hold the tubes in place. Tube sheets are an important component in the design of heat exchangers, as they must withstand the pressure and temperature differentials between the fluids flowing through the tubes and the surrounding environment.

Tube Sheet

Stainless Tube Sheet

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