This book provides a knowledge base for fluid power users to become familiar with commonly used seals in hydraulic components. This book presents an overview of hydraulic sealing elements including seal functions, classifications, and materials. This book also presents 15 various properties of hydraulic seals and relevant standard test methods. This book introduces best practices for hydraulic seals selection, installation and storage. This book provides a
thorough analysis for failures of hydraulic seals including 26 failure modes with examples and demonstrative pictures.