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[ pdf ] Control Valve Handbook

Control Valve Handbook Download
Topic under  Control Valve
Source: www.documentation.emersonprocess.com 
File size: 3.06 MB
File type: pdf
Last download on: Fri Apr 20, 2018 04:27:23 AM
Short Desciption:
Control Valve Handbook File : pdf, 2.76 MB, 295 pages TOC 1. Introduction to Control Valves1 What Is A Control Valve? Process Control Terminology Sliding-Stem Control Valve Terminology Rotary-Shaft Control Valve Terminology Control Valve Functions and Characteristics Terminology Other Process Control Terminology

File : pdf, 2.76 MB, 295 pages TOC 1. Introduction to Control Valves1 What Is A Control Valve? Process Control Terminology Sliding-Stem Control Valve Terminology Rotary-Shaft Control Valve Terminology Control Valve Functions and Characteristics Terminology Other Process Control Terminology 2. Control Valve Performance Process Variability Economic Results Summary 3. Valve and Actuator Types Control Valves Globe Valves Rotary Valves Control Valve End Connections Valve Body Bonnets Control Valve Packing Characterization of Cage-Guided Valve Bodies Valve Plug Guiding Restricted-Capacity Control Valve Trim Actuators60 4. Control Valve Accessories65 Positioners Other Control Valve Accessories Limit Switches Solenoid Valve Manifold Supply Pressure Regulator Pneumatic Lock-Up Systems Fail-Safe Systems for Piston Actuators Electro-Pneumatic Transducers Electro-Pneumatic Valve Positioners PC Diagnostic Software 5. Control Valve Selection Valve Body Materials Designations for the High Nickel Alloys Pressure-Temperature Ratings for Standard Class ASTM A216 Grade WCC Valves Pressure-Temperature Ratings for ASTM A216 Cast Iron, ASTM B61 and B62 Cast Bronze Valves Class Designation and PN Numbers Face–to Face Dimensions Wear & Galling Resistance Chart Of Material Combinations Control Valve Seat Leakage Classifications Class VI Maximum Seat Leakage Allowable Typical Valve Trim Material Temperature Limits Service Temperature Limitations for Elastomers Ambient Temperature Corrosion Information Elastomer Information Fluid Compatibility Control Valve Flow Characteristics Selection of Flow Characteristic Valve Sizing Sizing Valves for Liquids Abbreviations and Terminology Equation Constants Determining Fp, the Piping Geometry Factor Determining qmax (the Maximum Flow Rate) or Pmax (the Allowable Sizing Pressure Drop) Liquid Sizing Sample Problem Sizing Valves for Compressible Fluids Determining xTP, the Pressure Drop Ratio Factor Representative Sizing Coefficients for Single–Ported Globe Style Valve Bodies Representative Sizing Coefficients for Rotary Shaft Valves Actuator Sizing Rotary Actuator Sizing Typical Rotary Shaft Valve Torque Factors V–Notch Ball Valve with Composition Seal High Performance Butterfly Valve with Composition Seal Non-Destructive Test Procedures Cavitation and Flashing Choked Flow Causes Flashing and Cavitation Valve Selection for Flashing Service, Valve Selection for Cavitation Service Noise Prediction, Noise Control, Noise Summary Packing Selection Guidelines 6. Special Control Valves High Capacity Control Valves Low Flow Control Valves High-Temperature Control Valves Cryogenic Service Valves Customized Characteristics and Noise Abatement Trims Control Valves for Nuclear Service in the USA Valves Subject to Sulfide Stress Cracking 7. Steam Conditioning Valves Understanding Desuperheating Typical Desuperheater Designs Understanding Steam Conditioning Valves Steam Conditioning Valve Designs Feedforward Design Manifold Design Pressure-Reduction-Only Design Understanding Turbine Bypass Systems Turbine Bypass System Components 8. Installation and Maintenance Proper Storage and Protection Proper Installation Techniques Control Valve Maintenance Reactive Maintenance Preventive Maintenance Predictive Maintenance Actuator Diaphragm Stem Packing Seat Rings Bench Set 9. Standards and Approvals Control Valve Standards American Petroleum Institute (API) American Society of Mechanical Engineers (ASME) European Committee for Standardization (CEN) Fluid Controls Institute (FCI) Instrument Society of America (ISA) International Electrotechnical Commission (IEC) International Standards Organization (ISO) Manufacturers Standardization Society (MSS) NACE International Product Approvals for Hazardous (Classified) Locations North American Approvals Approval Agencies Types of Protection Nomenclature Hazardous Location Classification Temperature Code NEMA Enclosure Rating CSA Enclosure Ratings Intrinsically Safe Apparatus Loop Schematic (Control Drawing) Comparison of Protection Techniques Intrinsically Safe Technique Dust Ignition–proof Technique Non–Incendive Technique European and Asia/Pacific Approvals 10. Engineering Data Standard Specifications For Valve Materials Valve Materials Properties for Pressure–Containing Components Physical Constants of Hydrocarbons Specific Heat Ratio (K) Physical Constants of Various Fluids Refrigerant 717 (Ammonia) Properties of Water,Saturated Steam,Superheated Steam Velocity of Liquids in Pipe Flow of Water Through Schedule 40 Steel Pipe Flow of Air Through Schedule 40 Steel Pipe Calculations for Pipe Other than Schedule 40 11. Pipe Data. Pipe Engagement Carbon and Alloy Steel – Stainless Steel American Pipe Flange Dimensions – Diameter of Bolt CircleInches American Pipe Flange Dimensions – Number of Stud Bolts and Diameter in Inches American Pipe Flange Dimensions – Flange Diameter–Inches DIN Standards American Pipe Flange Dimensions – Flange Thickness for Flange Fittings DIN Cast Steel Flange Standard 12. Conversions and Equivalents Length Equivalents Whole Inch–Millimeter Equivalents Fractional Inches To Millimeters Additional Fractional/Decimal Inch–Millimeter Equivalents Area Equivalents Volume Equivalents Volume Rate Equivalents Mass Conversion—Pounds to Kilograms Pressure Equivalents Pressure Conversion—Pounds per Square Inch to Bar Temperature Conversion Formulas Temperature Conversions A.P.I. and Baumé Gravity Tables and Weight Factors Equivalent Volume and Weight Flow Rates of Compressible Fluids Viscosity Conversion Nomograph Other Useful Conversions Metric Prefixes and Symbols
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