Item name: Boiler manhole
The boiler manhole is the boiler overhaul or the inspection, is the maintenance personnel and so on enters the container internal hole.
Because the manhole is located in the lower part of the tank, the manhole bear a lot of liquid pressure. In order to prevent leakage, the installation quality of the manhole must be strictly required. Sealing water lines are arranged on flanges and covers, and attention shall be paid to the construction so as to avoid oil seepage during use. Each time the manhole is removed, it should be marked so as not to be dislocated again, which will affect the tightness.