MECHANICAL SEAL BASICS PDF

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Introduction of Book :

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Mechanical seal is used to control leakage in rotating equipment. 

• Water pumps, compressor, washing machine and any machine used to transfer liquid/gases. 

• Traditional methods use packing wrapped around shaft and clamped by gland bolts. 

• Mechanical seal replaces packing due to its reliability, better emission control, higher efficiency and less damage to costly pump parts. 

Table of contents :

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1. Introduction to mechanical seal 

2. Parts in mechanical seal 

3. Sealing categories 

4. Leak paths in mechanical seal 

5. Operating principles 

6. Lubricating film 

7. Seal leakage 

8. Essential requirements for mechanical seal operation 

9. Balance ratio of mechanical seal 

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