How to Choose the Pump Mechanical Seal(IV)

For the people who have the requirement for the installation of Mechanical seal of Alfa Laval pump, APV pumps, Flygt, Hilge, Waukesha, KSB pumps, and Johncrane, Burgmann, Vulcan, and etc. We launched the topic in our Knowledge pages. If you need more help, please feel free contact us. We will do our best to help you.

And here we give some guidance with 4 points for how to choose the best mechanical seals for your pump. This page is about the last and the most important point, to learn about the main parameters:

● The basic principles of selection:

1. According to the pressure of the sealed chamber, make sure that the seal structure is balanced or unbalanced, single-end or double-end.

2. According to the working speed, determine the use of rotary or static, fluid dynamic pressure or non-contact type.

3. According to the temperature and fluid properties, determine the friction pair and auxiliary sealing material, as well as the correct choice of lubrication, washing, insulation, cooling and other mechanical seal protection system.

4. According to the effective space of the installation seal, determine the use of multiple springs or single spring or wave spring, built-in or exterior type.

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