PT Fresh Galang Mandiri

Profesional - Komitmen - Kualitas

Control Valve and Sizing : Selection and Maintenance

November 30, 2013

Control Valve and Sizing : Selection and Maintenance

Jadwal Pelatihan Control Valve and Sizing : Selection and Maintenance

Belum ada jadwal terbaru

Instructor by : Saripudin 


  • Understand what happens inside a control valve from basic fluid mechanics point of view
  • Appreciate the difference between cavitation and flashing, and know what choked flow is
  • Do simple calculations to determine CV values
  • Recognise severe service applications and have an appreciation for the methods of tackling the problems associated with such applications
  • Know about all the different types of control valves commonly in use and understand the relative advantages of each
  • Choose between different characteristics on offer and specify seat leakage rates
  • Size actuators for linear and rotary applications and know the relative advantages of pneumatic, hydraulic and electric types
  • Have a basic understanding on how to select materials for bodies, trims, packing boxes, and gaskets
  • Make use of a computer sizing program to assist with the selection of control valves
  • Understand the failure modes for control valves and  demonstrate new approaches to troubleshooting


1. Introduction To Control Valve  Theory

  • Introduction
  • Definition of a control valve
  • Energy types
  • What is happening inside a control valve
  • Cavitation
  • Flashing
  • Choked Flow
  • Valve Coefficient Cv

2. Diferent  Types Of  Control Valve

  • Globe Valves
  • Butterfly
  • Eccentric disk
  • Ball
  • Rotary Plug
  • Diaphragm and Pinch

3. Characteristic

  • Equal Percent
  • Linear
  • Quick Opening
  • Selection Method

4. High Pressure Drop Applications

  • Cavitation Control
  • Cavitation Elimination
  • Low Noise
  • Diffuser Plates
  • Chokes
  • Disk Stack Technology
  • Pressure Balanced Trim

5. Use Of Computer Program For Valve Sizing

6. Example Of  High Pressure Drop Applications

  • Water – pump bypass
  • Steam – turbine bypass
  • Gas – pressure reducing
  • Oil – choke valve

7. Actuators

  • Pneumatic
  • Hydraulic
  • Electric
  • Sizing on Rotary Valves
  • Sizing on Linear Valves
  • Mounting Considerations
  • Manual Overrides
  • Accessories

8. Positioners

  • Basic Principles
  • Conventional Pneumatic
  • Conventional Electro-Pneumatic
  • Smart Positioners
  • Feedback Options

9. Materials

  • Body materials and pressure ratings
  • Trim
  • Packing
  • Guides and gaskets

10.  Quality Standards

  • ASME
  • NACE
  • ISO 9000/2000
  • PED

11. Installation / Maintenance

  • Installation
  • Commissioning
  • Routine Maintenance

12.  Summary, Open Forum and Closing


  • Control Valve Specialists
  • Plant Safety Specialists
  • Instrumentation and Control Engineers and Technicians
  • Electrical Engineers
  • Project Engineers
  • Process Control Engineers
  • Consulting Engineers
  • Maintenance Engineers and Technicians
  • Maintenance Planners
  •  Systems Engineers




Case Study



Training Kit

Flash disk



Lunch + 2 X Coffee Break




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