Course Description
This course provides a total in-depth insight into the valve and actuator technology – not only does the course analyze control valves but also focuses on whole host of other types including: check valves, shut-off valves, solenoid valves and pressure relief valves. A methodology is presented to ensure the optimum selection of size, choice of body and trim materials, components and ancillaries. Whilst studying the correct procedures for sizing, delegates will also learn the correct procedures for calculating the spring ‘wind-up’ or ‘bench set’.
Course Objectives
- Appreciating the basic theory of flow through a control valve
- Understanding the major technologies used in the final control element
- Performing flow and system pressure head loss calculations
- Appreciating the principles of cavitation control and noise reduction
- Selecting optimum materials of construction to avoid corrosion and erosion
- Understanding the correct requirements for trim selection
- Understanding control valve characterisation and characteristic profiling
- Using the control valve seat leakage classifications
- Picking the optimum valve-actuator combination
- Understanding the principles of preventive maintenance through the application of signature analysis
- Gaining an insight into the application and limitations of safety relief valves
Who Should Attend?
- Production Managers Project Managers System Integrators
- Technicians Instrument Fitters Maintenance Engineers Mechanical Engineers
- Installation and Maintenance Technicians Instrument
- Engineers
Course Details/Schedule
- Bernoulli’s equation
- Defining the valve flow coefficient, Cv
- Choked flow
- Pressure recovery
- Velocity profiles
- Reynolds number
- Flashing and cavitation
- Trim selection
- Water hammer
- ANSI Class and PN pressure ratings
- Packing/stuffing box requirements
- Control valve seat leakage classifications
- Globe valves
- Split body globe
- Angle valve
- Needle valves
- Bar stock body
- Gate valves
- Pinch valves
- Diaphragm valves
- Ball valves
- Butterfly valve
- Plug valve
- Eccentric plug valve
- Check valves
- End connections
- Inherent characteristics
- Installed characteristic
- Characteristic profiling
- Cavitation controlv
- Noise reduction
- Body selection guide
- Trim selection guide v
- Actuator and accessory selection
- Manual and computer-based
- Pneumatic control
- I/p converter
- Diaphragm actuators
- Cylinder/piston-type actuator.
- Electro-hydraulic actuation
- Electric actuator
- Solenoid valves
- Digital actuators
- Transfer mechanisms
- Valve positioners
- Testing for deadband/hysteresis
- Stick-slip
- Non-linearity
- On-line diagnostics
- Bench Set
- In-line repairs
- Shop repairs
- Standards
- Relief valves
- Safety valves
- Rupture discs
