The design of the sealing structure of the plastic float ball and the rubber O -ring is an important process. If the design is unreasonable, liquid and gas will leak. When selecting a plastic float, the dimensional tolerance must be precise, the sphere should be smooth, and the surface of the sphere must not have a clamping line or a burr. Rubber O -rings are selected for material, hardness and specifications depending on the application. The plastic float is a hard plastic product. If you want to achieve the ideal sealing structure, the lower ball seat should be equipped with a rubber O -ring. Only such a hardware is matched with a rubber O -ring with a compression amount, and a certain pressure is applied, so that the two workpieces can be closely combined with each other, and the sealing requirements of each user can be satisfied. The material of the plastic float ball is nylon , polyoxymethylene , polypropylene , acrylonitrile , polyethylene, PTFE, etc. The rubber O -ring is made of nitrile rubber , EPDM rubber , fluorine rubber , neoprene rubber , Silicone, etc., according to the characteristics, performance, specifications, use environment, wear resistance, temperature resistance, chemical resistance, and life of the product, design and selection, so that the sealing structure design of plastic float ball and rubber O -ring reaches the highest level. .
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