When pressurizing a pressure vessel’s tube bundle, should the pressure be applied to the tube side or the shell side? Or just play them all.
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When manufacturing pressure vessel tube bundles separately, should testing be carried out on the tube side or the shell side? Or just play them all. Are there any requirements?
Both the tube side and shell side should be tapped
Different designs have different sequences
Even for bundles fabricated separately, the shell side must also be pressure-tested. Only by pressurizing the shell side can we check whether there are any leaks at the joints of the heat exchange tubes. Moreover, both the tube side and the shell side need to be pressure-tested； The suppression order is according to the third floor.
We usually use a pressure shell, pressing only the shell side, and a pipe inspection head is sufficient.
If no supervisor is available, how can the sealing of the tube sheet and tube box be checked?
Both need to be suppressed; it also depends on whether the medium travels through pipes or within a casing. Different requirements apply in each case
They all need to be played. Note the limitations regarding the pressure difference between the tube side and shell side
Both sides are struck, because the pipe end bears pressure from both sides.
The pipe ends, the tube side, and the shell side all need to be pressurized; if there is no shell, a pressure testing fixture needs to be fabricated