Tolerance issue for the verticality of the tube sheet

2010-07-15View Original

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In TCED-2000, among the overall technical requirements for the tube sheet, there is a stipulation that \"the sealing surface of the tube sheet must be perpendicular to the axis of the shell, with a tolerance of 1 mm.\" However, in the technical requirements for the tube sheet specified in the part diagram, it is stated that \"the sealing surface of the tube sheet should be perpendicular to the axis, with a tolerance of …\" Are these two specifications contradictory?

Reply #22010-07-15

One is perpendicular to the shell axis, and the other is perpendicular to the tube sheet axis; the two aren’t contradictory, right?

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Tolerance issue for the verticality of the tube sheet

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