Course Details
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Course Description
Within the boiler, piping and pressure vessel industry, control and safety relief are of most essential importance. Pressure relief valves are the last line of defense against catastrophic failure or even loss of life. The course covers control and safety valve types and designs, materials, specification and selection, preventive maintenance procedures, operation and troubleshooting. The course provides a basic and specialized knowledge of valve types and designs, materials used to make valves, where various designs should and should not be used, fac¬tors to consider in specifying a valve for a specific application, how to calculate flow through valves, and valve maintenance and repair. In addition to presenting information on a wide variety of valves, this course also explains the operational basics of the great variety of valves that are found in power stations, refineries, plants, and mills throughout the world.
A number of different instructional methods are used throughout the course to allow interactive learning and to give practical examples from manufacturing and service industry to enable the delegates to operate, select and troubleshoot control and safety valves upon course completion.
The Training Course Will Highlight ?
Training Objective
Target Audience
- Maintenance & Technical Support Engineers
- Maintenance Supervisors
- Inspection Engineer
- Safety engineer
- Operation engineer
- Operation Supervisor
- Instroment and Mechanical Techinician
- Operator
Training Methods
Daily Agenda
Day 1
Hydraulic Systems: Analysis and Design
- Characteristics of a Hydraulic Fluid
- Pumps type of Hydraulic system
- Basics of hydraulic flow in pipe lines
- Types of Fluid Flow in Closed Conduits
- Air / gas Composition and Its Properties
Hydraulic Parameter and circuits
- Air / gas compressors
- Pneumatic components and circuits
- Pressure measurement and fractional flow reserve
- Modular valves and connection with Hydrulic system
- Servo Valve and Proportional Valve Applications
Valve Principals, Purposes, Control Signals and Flow Conditions
- - Definitions and Principles of Operation
- - Control valve purpose and principles
- - Flow conditions and pressure drops inside a valve
- - Control valve and actuator signals
- - Types of flow, vortices, gas vs liquid flow, Cv, Choked flow, etc.
- - Reynolds Numbers
- - Cavitation and flashing
- - Valve classification, associated an introduction to valve type
Day 2
Valves Selection
- Control Valves Selection and Types of Control Valves
- Pressure Control Valve Applications
- Basics of Directional of Control Valves
- Different Types of Flow Measurement
Valve types:
- Pressure Safety relief valves
- gate valves
- Globe valves
- Check valves
- Butterfly valves
- ball valves
- Plug valves
- Diaphragm valves
- Chock valve
Valve design
- Valves Sizes, classes, and ratings as per STANDARD
- Function and selection of valves
- Process applications
- Valve design
- Control valve trim
Day 3
Valve Operation
- Valve Normal operation mode
- Operations of bypass valves in proccess
- Opeartion procedures for double block valves
- Venting sytem in pipe line
Valve Sizing
- - Proccess Isolation and Valve procedures follow up.
- - Calculating the Correct CV Value
- - Selecting Valve Size Using Valve Coefficient
- - Sealing Performance
- - Leakage Classifications
- - Sealing Mechanisms
- - Valve Stem Seals
- - Case study to isolate valves in High pressure pump for maintenance
Valve Specifics, Characteristics and Sizing
- - Valve selection and valves in P&IDs
- - Valve leakage
- - Relief Safety Valves and rupture Discs
- - Basic Steps and Procedure for the Repair of Control Valve
- - Valve Failure Mode
Day 4
Valve Maintenance Strategies
- - Ensuring compliance with safety and operational guidelines.
- - Lfiting procedures to remove valve to work shop for maintenance.
- - Major Spare parts of Valves
- - Preventive Maintenance (PM)
- - Key tasks and intervals for effective PM.
- - Predictive Maintenance (PdM)
- - Introduction to predictive maintenance approaches.
- - Routine Inspection Techniques
- - Conducting visual and instrument-based inspections.
- - Valve Materials of construction
- - Valve Lubrication system
- - Methods for evaluation of mechanical components
- - Electrical and instroment components
- - Removing a valve actuator
- - Disassembly, and re - assembly
- - Torque switch adjustment
- - Calbiration and Operational tests
- - Settings, installations
- - Hoosekeeping
- - Terminologies and basic definitions
Day 5
Valve Troubleshooting
- - Mechanical troubleshooting
- - Electrical troubleshooting
- - Accepted methods for cleaning
- - Adjusting and lubricating various components
- - Codes and recommended standards of practice
- - Fault finding instruments
Valves Problems
- - High pressure drop
- - Flashing and Cavitation
- - Surge protection
- - Valve leagage
- - Check valve slamming
- - Gasket rating
High Pressure Drop
- - Pressure Recovery Characteristics
- - Flow Choking
- - High Velocities
Water Hammer
- - What causes water hammer?
- - Solutions for Water Hammer
Troubleshooting the Control & Isolation Valves
- - Review of Common Faults
- - Developing a Preventive Maintenance Plan
- - Cavitation and noise control
- - P&ID Diagrams associated with Valves
- - Valve Leakage and Valve Leakage Rate Calculation
Accreditation
BTS attendance certificate will be issued to all attendees completing minimum of 80% of the total course duration.
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