Transcription of Mechanical shaft seals for pumps
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Mechanical shaft seals for pumps
Mechanical shaft sealsfor pumpsCopyright 2009 GRUNDFOS Management A/S. All rights law and international treaties protect this material. No part of this material may be reproduced in any form or by any means without prior written permission from GRUNDFOS Management reasonable care has been taken to ensure the accuracy of the contents of this material, however GRUNDFOS Management A/S shall not be liable for any loss whether direct, indirect, incidental or consequential arising out of the use of or reliance upon any of the content of the material. First editionCompositor: Gills Illustrations ServicesPrint: Scanprint A/SMechanical shaft sealsfor pumpsContentsPreface 5 Chapter 1. Introduction 7 1. Types of shaft seals 8 2. Mechanical shaft seals 10 3. Operating principle 12 4. Historical development 22 Chapter 2. Mechanical shaft seal types and sealing systems 25 1. Mechanical shaft seal types 26 2. Sealing systems 31 3.
In its simplest form, the mechanical shaft seal consists of two main parts: The rotating part and the stationary part. See fig. 1.10. 12 Stationary part Rotating part Fig: 1.10: Mechanical bellows shaft seal 1. Pump housing 2. Stationary secon- dary rubber seal 3. Stationary seat 4. Rotating seal ring 5. Torque transmission ring 6. Spring 7 ...
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