How many kinds of neck plugs are there in liquid nitrogen tank

The neck plug of the liquid nitrogen tank is not completely closed. Its main purpose is to reduce the volatilization of liquid nitrogen. Some customers may ask, why not seal the tank so that liquid nitrogen will not evaporate?

A: The liquid nitrogen tank cannot be sealed, and the container seal will explode.

The neck plug of the liquid nitrogen tank is made of polyurethane foam, please gently touch it during use to avoid breaking the plug. There are also different models, different calibers, and different sizes of neck plugs. Each jar has a corresponding neck plug.

Diameter (mm): 30 50 80 125 210

Height (cm): 19

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