CONTROL VALVE & SIZING

CONTROL VALVE & SIZING: Selection & Maintenance

Yogjakarta Plaza Hotel, Yogyakarta |  09 – 11 Desember 2013 |   Rp. 6.800.000,

 

 

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 CONTROL VALVE 

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 STANDARDS

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

11.  INSTALLATION / MAINTENANCE

  • Installation
  • Commissioning
  • Routine Maintenance

12.  SUMMARY, OPEN FORUM & CLOSING

 

PARTICIPANT

  • 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

 

TRAINING METHOD

Presentation, Discussion, Case Study, Evaluation

 

BIAYA PELATIHAN

Rp. 6.800.000,- /participant/NON residential

 

WAKTU DAN TEMPAT

  • 9-11 Desember 2013
  • Jogjakarta Plaza Hotel
  • Yogyakarta

 

 

FACILITIES

Training Kit, Flash disk, Handout, Certificate, Lunch, 2 X Coffee Break, Souvenir, Pick up participant @Yogyakarta

 

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