The hole in the tank wall is installed in the lower part of the tank, so that people can enter and exit. This product is shipped without reinforcing plates. If you need other standard and non-standard manholes, please provide standards or drawings.
The shell man hole is a safe emergency ventilation device installed on the storage tanks of petroleum, chemical and other materials. It is usually used together with the breathing valve to avoid accidents caused by accidental causes of sudden over-pressure or vacuum in the tank and damage to the storage tank; It can also play a safety role, especially suitable for the vaulted atmospheric pressure tank with the nitrogen storage capped material.
1. Constant pressure discharge,
2. Constant pressure suction,
3. Flexible opening and closing,
4. Safe fire resistance,
5. Compact structure,
6. Good sealing performance,
7. Safety and reliability.
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