Chemical pump sealed in several forms? Xiaobian here to resolve for everyone. Chemical pump is the more common forms of sealing are: ①packing chemical pump packing seal, also known as packing packing seal, commonly known as packing. As the name implies, chemical pump filling seal is the flexible packing into the filler cavity, relying on the gland axial compression into radial sealing force, which play a sealing effect. However, this type of seal has been widely used in the design and production of chemical pumps because of its simple structure, convenient operation, low cost and strong adaptability. Gasket seal Gaskets are the basic components of the static seal of chemical pumps. Gasket seal of chemical pump is also one of the commonly used sealing forms. It is mainly made of metal or non-metallic plate-shaped material as raw material, used for sealing connection between pipes or parts. ③ labyrinth sealing fluid through the maze to produce resistance and reduce the flow of the function known as the "labyrinth effect." The labyrinth seal is the use of this effect, and the sealing effect is better. However, in practical applications, the leakage of the chemical pump due to the labyrinth seal is very large. Such a seal shape is not commonly used. ④ thread seal thread seal used in chemical pumps generally have two forms, one is threaded connection gasket seal, and the other is the thread plus packing seal, both for small diameter threaded connections sealed occasions. ⑤ power seal Chemical pump power seal, also known as the deputy impeller dynamic seal, seal chamber behind the impeller installed in a vice impeller, in operation, the pressure generated by the deputy impeller balance impeller outlet pressure, do not let the liquid Flow over, which play a sealing role. Chemical pump deputy impeller sealing structure is simple, reliable sealing, long service life, drip leakage can be realized during operation, chemical pump delivery of impurities in the medium containing chemical pumps often used. ⑥ oil seal chemical pump oil seal is used to seal the fluid medium, its simple structure, low prices, easy maintenance, both to prevent media leakage, but also to prevent the intrusion of external dust and other harmful substances. But the seal is not resistant to high pressure, it is generally used in low-pressure chemical pumps.
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