How to choose a suitable waterproof vent valve plug (1)

      Generally speaking, the selection of waterproof air vent valve plug is mainly based on the working environment when using electronic products, because the structure of waterproof air vent valve plug is simply made of waterproof breathable membrane, with metal or plastic shell material which is welded or pressed. However, in terms of model and configuration, namely the size of the transparent air volume and air valve or discriminating, there are still different, so the selection of waterproof air vent valve plug should be based on the use environment. The product CNPNJI waterproof vent valve plug has good sealing and air permeability, which can ensure the free exchange of internal and external gas quickly and efficiently. Therefore, it is necessary to select according to the air permeability and corresponding waterproof grade.