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Frequently check the sealing module to avoid aging

Frequently check the sealing module to avoid aging

Sealing modules are widely used in life, basically using mechanical blades to seal. As big as a car, a plane, a small lighter, a mouse, etc. Seals must be used. There are a variety of sealing varieties, according to the raw materials can be divided into: ordinary silicone rubber sealing ring, fluorine rubber sealing ring, ethylene propylene rubber, polytetrafluoroethylene, neoprene and other comparative polyurethane.

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Basic characteristics of the graphite used in the sealing module

Basic characteristics of the graphite used in the sealing module

The graphite used in the sealing module is an important non-metallic mineral, which belongs to the hexagonal system and has a special layered structure. As early as the 1960 s, Brody natural graphite was heated with chemical reagents such as sulfuric acid and nitric acid, and expanded graphite (expanded graphite, EG), which is a new type of atomic and molecular scale carbon material, showed unique physical and chemical properties. However, the application started after death. In the past 20 years, many countries have carried out the research and development of expanded graphite and made great breakthroughs. As an important inorganic non-metallic material, expanded graphite material is widely used in environmental, chemical, metallurgy, power machinery, aerospace, atomic energy and other industries, with strong vitality and market prospects.

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Good sealing module processing technology

Good sealing module processing technology

Good sealing module processing technology and molding process is an effective means to ensure the dimensional accuracy, surface characteristics, and improve wear resistance and wear resistance of the seal. Sealing processes include molding, dipping, spraying, sintering, welding, electroplating and surface heat treatment. The same material, if the processing process is different, its characteristics will be very different.

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Excellent characteristics of the sealing device

Excellent characteristics of the sealing device

Sealing device: The low-stress wound gasket can also be used as an ordinary wound gasket to provide an ideal sealing effect. However, it is designed to achieve a certain compression and ideal sealing effect with only a low tightening force. Low stress gaskets are typically used for flanged connections, such as 150 psi pressure levels, where traditional wrap gaskets take into account the tightening pressure they may need. Exceeds the allowable design stress and is no longer applicable.

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Sealing module: the scope of use of PTFE gasket

Sealing module: the scope of use of PTFE gasket

Sealing module: PTFE gasket is generally used for corrosive medium conditions; The gasket for pipe flange is suitable for occasions with small flange bolt preload, such as glass pipe flange or other pipe flange with low strength and small bolt preload, which can produce large deformation and compress the gasket tightly to the flange. The rubber gasket can only be used under low medium pressure and temperature is not too high under the conditions of use.

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Seal Module Gasket Installation Requirements

Seal Module Gasket Installation Requirements

Gaskets and flange sealing surfaces shall be cleaned and shall not have any effect on the sealing performance of defects such as scratches and spots.

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What to pay attention to when choosing a sealed module

What to pay attention to when choosing a sealed module

When selecting the process, the operating conditions must be considered. Here we can choose the appropriate sealing form, as well as its material and installation structure.

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How to realize the shielding of electromagnetic interference signal with sealing module?

How to realize the shielding of electromagnetic interference signal with sealing module?

With the rapid development of electric power and electronic technology, the automation of electrical system has been continuously improved, and the confusion brought by electromagnetic interference has also followed. It is essential to eliminate electromagnetic interference (EMI, EMP) in power and electronic systems. In some special occasions, such as nuclear power, military industry, and large-scale power equipment, it is also necessary to consider the electronic countermeasure capability during the war to avoid the impact of electromagnetic pulse bombs that paralyze the entire system.

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图片ALT信息： Dingchang Sealing Technology (Zhejiang) Co., Ltd.
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