Double-end mechanical seal The principle of double-end mechanical seal is basically the same as that of single-end mechanical seal, both rely on the end faces (friction pairs) perpendicular to the axis of rotation to keep fit and slide relative to each other under the action of fluid pressure, elastic force of the compensation mechanism and the cooperation of auxiliary seals And constitute the device to prevent fluid leakage.The double-end mechanical seal has two end-face seals. If the primary seal fails, the secondary seal can still seal to prevent leakage.Generally, double-end seals require an external sealing liquid system, and the sealing liquid is introduced into the sealing cavity for sealing, lubrication and cooling, and most of them are used for circulating cooling.The sealing fluid can not only flush the friction pair to improve the working environment of the mechanical seal, but also serve as an important detection method for the failure of the primary sealing surface. Read More

Single-end mechanical seal 1. Single-end mechanical seal is a mechanical seal composed of a pair of sealing end faces.2. The single-end mechanical seal has a simple structure and is easy to install. It is generally used in situations where the medium itself has good lubricity and a small amount of leakage is allowed. It is a commonly used mechanical seal type.3. It is not easy to use when the medium is toxic, flammable, explosive and there are strict requirements on leakage. Read More

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