Commonly used basic seals knowledge and sealing working principle

08-11-2019

Commonly used basic seals knowledge and sealing working principle

To achieve the "self-sealing" effect, we need to understand the qualitative changes in the pressure, viscosity, molecular weight and other factors of the working medium of the seal. Only by knowing more about the characteristics of the seals can you really understand what your product needs? Today, we wonepart editor willl explain the working principle of the seal and the basic knowledge of "self-sealing". Let YD seal tell you how the hydraulic seal work and how to get seal easily when you pick up seal.

 hydraulic seal

Hydraulic and pneumatic sealing work principle:

First, to achieve the "self-sealing" effect principle:

The pressure type seal in the contact type dynamic seal is a contact pressure formed between the seal member and the coupling surface by the pressing force generated by the pre-compression force and the medium pressure. The higher the medium pressure, the greater the contact pressure, so that the seal is sealed. The parts are tightly coupled to the coupling to block the leak path and achieve a "self-sealing" effect.

The self-sealing self-tightening seal is to increase the back pressure generated by the deformation of the seal itself as the pressure of the medium increases, thereby achieving a "self-sealing" effect.

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Second, the hydraulic and pneumatic sealing work requires media:

In addition to the gap seal, the seal is controlled by the seal and the gap is controlled below the minimum gap through which the working medium can pass. The minimum gap depends on the pressure, viscosity, molecular weight and other factors of the working medium.

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If you could not understand the seal working principle, our engineer will explain more details to you. Moreover, if you choose YD seal, then we will be surprise to you.

Any other seal enquiry, pls leave message info@wonepart.com.

 hydraulic seal


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