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Start Date : 3 Mar,2024
End Date   : 7 Mar,2024
Duration    : 5 Days
Price          : $ 2,190 (SAR 8,212.50)

 

Overview: 

Power Plant and other petrochemical industries do deal with different types of valves. All piping systems are fitted with valves for controlling purposes or safety requirements. Understanding the function of each valve type will have an important reflection on the process quality, equipment and plant reliability, and the economics of the whole activity. Different application needs to select the appropriate valve type of a particular flow characteristics. Operation of the valve also affects the system and the process. Understanding the problems associated with valves is essential for diagnosis and troubleshooting and the needed maintenance for the particular type of valves. 

 

 

Course Objectives: 

  • An understanding of valve characteristics and different parameters affecting the operation of valves 

  • Knowledge of the main types of valves and the ability to select the right valve for the particular application including Control Valves, Non-Return Valves and Safety Valves 

  • The ability to perform the necessary calculation for valve sizing 

  • Knowledge of valve control systems including actuators and positioners 

  • An understanding of the problems associated with valves like flashing, slamming and water hammer 

  • The ability to perform troubleshooting of systems involving valves and making decisions on the right maintenance plan concerning different types of valves 

 

Course Content: 

1. Basic of the Valve Technology 

  • Types of Valves and Selection 

  • Valve Parts and Components 

  • Valve Flow characteristics – Linear Valve Features 

  • Control Valve Flow Characteristics – Quick Opening, Linear, Equal Percentage 

  • Valve-sizing criteria – Valve Coefficient, Cv 

  • Pressure Recovery 

 

2. Valve Functions and Types 

  • Functions of valves and Methods of regulation 

  • Valve Types – Stopping / starting valves, Control valves 

  • Valve end connections 

  • Valve components and trims 

  • Types of valves, Globe, Gate, Ball, Plug, Butterfly Valves, Pinch, Diaphragm Valves 

  • Pressure Regulation Valves 

 

3. Check (Non-Return) Valves, Relief and Safety Valves 

  • Applications and selection of Check (Non-Return) Valves 

  • Types of Check Valves – Swing, Lift, Tilting-disc, Piston 

  • Rupture Disk Valves 

  • Buckling (Shear) Pin Valves 

  • Relief and Safety Valves Types 

  • Relief Valves Problems 

 

4. Control Valve Actuators and Positioners 

  • Actuation Systems and Forces 

  • Linear and Rotary Actuators 

  • Types of Actuators – Pneumatic / Hydraulic, Piston, Diaphragm, Electric motors 

  • Actuator Performance and Selection 

  • Valve Positioners and Operation 

  • Examples of valve installation plans and checklists 

 

5. Valve Troubleshooting 

  • High Pressure Drop – Pressure Recovery Characteristics 

  • Cavitation and Flashing in Valves – Cavitation-elimination devices 

  • High Velocities – Erosion 

  • Water Hammer –  Causes and Solutions 

  • Surge Protection 

  • Noise Attenuation Problems 

  • Troubleshooting the Control Valves 

  • Valve Inspection & Testing (API598) 

     

    Targeted Audience: 

    • Instrumentation, electrical, mechanical, process and maintenance engineers, specialists and staff 

    • Design teams 

    • Budgeting and financial staff 

    • Team leaders, supervisors and foremen 

    Process Control Valves

    2٬190٫00$Price
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