Control Valve and Sizing: Selection and Maintenance

February 7, 2023

Control Valve and Sizing: Selection and Maintenance

Jadwal Pelatihan Control Valve and Sizing: Selection and Maintenance

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Objective

  • 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

Outline

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. Different Types of Control Valves

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

3. Characteristics

  • 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. Examples 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 Standars

  • ASME
  • NACE
  • ISO 9000/2000
  • PED
  • NAMUR

11. Installation/Maintenance

  • Installation
  • Commissioning
  • Routine Maintenance

12. Summary, Open Forum & Closing

Training Method

Presentation

Discussion

Case Study

Evaluation 

Facilities

Training Kit

Handout

Certificate

Lunch

2x Coffee Break

Souvenir

Pick up Participant (Jogja only)

Form Registrasi Pelatihan / Training

Jika anda berkeinginan untuk mengikuti Pelatihan Control Valve and Sizing: Selection and Maintenance, anda bisa langsung menghubungi salah satu nomor kami di bawah ini:

  • (0274) 4291-355 (08:00 – 16:00)
  • 0811 2938 847

Anda juga bisa langsung mengisi Formulir pendaftaran di bawah ini:

Control Valve and Sizing: Selection and Maintenance
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