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Mechanical Seal Selection Method
Mar 14, 2018

Mechanical seal selection method

According to different working conditions and medium properties, mechanical seals have high temperature and low temperature resistant mechanical seals, high pressure and corrosion resistant mechanical seals, mechanical seals resistant to particulate media, and mechanical seals suitable for easily vaporized light hydrocarbon media. The use of mechanical seals of different structural types and materials.

The main parameters of the selection are: sealed chamber pressure (MPa), fluid temperature (°C), working speed (m/s), characteristics of the fluid, and effective space for mounting and sealing.

The basic principles of selection are:

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, it is determined to use multiple springs or single springs or wave springs, built-in or exterior type.

Jiaxing Burgmann Mechanical Seal Co.,Ltd.

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Susie Ding


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