The selection of basic principles of the mechanical seal

Mechanical seal selection 2019 - basic principles 8 - 14 about the principle of type selection of mechanical seal, different people view is different, but we want to buy a good product, you will need to master some basic principles. Below small make up and selection of mechanical seal under everyone understand basic principles. 1. According to the working speed, determination by rotating or stationary type, the hydrodynamic pressure type and non-contact type. 2. According to sealed cavity pressure, seal structure is balanced or unbalanced, single or double face, etc. 3. According to install sealed space effectively, with more spring or single spring or waveform spring, built in or outside the container type. 4. According to the temperature, and fluid properties, determine the friction pair and auxiliary sealing material, as well as the correct selection of lubrication, flushing, insulation, cooling and other mechanical seal protection system etc. Looked at the above content, believe everybody already knows basic principle and selection of mechanical seal.