Transcription of VALVE SIZING & SELECTION TECHNICAL REFERENCE
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PHONE: 800-922-0085 l 610-317-0800 FAX: 610-317-29892600 Emrick Blvd Bethlehem, PA 18020-8010 SIZING & SELECTION TECHNICALREFERENCETABLE OF CONTENTS Introduction ..1 VALVE Flow Terminology ..1 The SIZING Process ..2 Operating Conditions ..2 FLUID PROPERTIES Rangeability ..2 Cv and Flow SIZING Formulas ..3 CV Formulas for Liquid Flow ..3 CV Formulas for Vapor Flow ..3 CV Formulas for Two Phase Flow ..3 Flow Velocity Formulas ..4 Definitions & Nomenclature ..5 Seat Leakage ..8 Actuator SIZING ..8 P Tables ..9 Application Guide for Cavitation, Flashing and Compressible Flow Services ..9 Liquid Flow ..9 CAVITATION Cavitation Definition ..9 Cavitation Countermeasures ..9 Application of Warren Trims in Cavitation Service ..10 Cavitation Avoidance.
Vl S Sl T R R 0712 1 INTRODUCTION A Control Valve performs a special task, controlling the flow of fluids so a process variable such as fluid pressure, level
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