Pump Wisdom. Robert X. Perez

      1  Cover

      2  Title Page

      3  Copyright Page

      4  Dedication Page

      5  Preface

      6  1 Principles of Centrifugal Process Pumps Pump Performance: Head and Flow Operation at Zero Flow Impellers and Rotors The Meaning of Specific Speed Process Pump Types Process Pump Mechanical Response to Flow Changes Recirculation and Cavitation The Importance of Suction Specific Speed References

      7  2 Pump Selection and Industry Standards Why Insist on Better Pumps ANSI and ISO vs. API Pumps References

      8  3 Foundations and Baseplates Securing Pumps in Place – With One Exception Why Not to Install Pump Sets in the As‐Shipped Condition Conventional vs. Prefilled Baseplate Installations Epoxy Prefilled Baseplates How to Proceed If There Is No Access to Specialist Firms References

      9  4 Piping, Stationary Seals, and Gasketing Pipe Installation and Support Sliding Supports and Installation Sequence Deserve Special Attention Monitoring Pipe Stress While Bolting Up Flange Leakage What to Do Prior to Gasket Insertion Spiral Wound and Kammprofile Gaskets Pipe, Hydraulic Tubing or Flexible Connections? Gusseting Concentric vs. Eccentric Reducers Vibration Problems in Piping Proven Ways to Control Piping Vibration Addressing Piping Vibration Issues Small Bore Piping Issues References

      10  5 Rolling Element Bearings Bearing Selection Overview and Windage As a Design Problem Radial vs. Axial (Thrust) Bearings Oil Levels, Multiple Bearings and Different Bearing Orientations Upgrading and Retrofit Opportunities Bearing Cages Bearing Preload and Clearance Effects Bearing Dimensions and Mounting Tolerances References

      11  6 Lubricant Application and Cooling Considerations Lubricant Level and Oil Application Issues with Oil Rings Pressure and Temperature Balance in Bearing Housings Cooling Not Needed on Pumps with Rolling Element Bearings Oil Delivery by Constant Level Lubricators Black Oil Lubricant Application As Oil Mist (Oil Fog) Desiccant Breathers and Expansion Chambers References

      12  7 Lubricant Types and Key Properties Lubricant Viscosities When and Why High Film Strength Synthetic Lubricants Are Used Lubricants for Oil Mist Systems References

      13  8 Bearing Housing Protection and Cost Justification Noncontacting Bearing Protector Seals Contacting Bearing Protector Seals How Venting and Housing Pressurization Affect Bearing Protector Seals Cost Justification Overview