Good day!
Our company purchased a new exchanger shell as replacement for an old one. During the installation of the spare tube bundle we have noticed that the shell is not round on different locations, especially on the shell's vapor belts. We have told the manufacturer about this and we had...
Hello,
Our company was planning to do a sectional replacement of the thinning tower shell due to CUI. The problems that arose were:
1. As of the latest UT data of the tower, bottom ellipsoidal head can no longer withstand the hydrotest pressure.
2. Even if we do leak test pressure only, the...
Hello!
Our company have a tube exchanger due for plugging. The tube material is SS410 hence an SS410 plug is recommended. However, we currently do not have a SS410 material to make the plugs. Also, since tube side pressure is higher than the shell side, the plug must be welded into the tube...
Background:
We have an internally threaded shaft connected to a threaded adaptor (see photo)
Due to the excess length of the shaft, we were thinking of decreasing the effective thread engagement of shaft and adapter by cutting 120 mm on the extruder shaft ends. Since the shaft end of the...
