Selection , Commissioning & Maintenance of Shutdown , Blowdown , Severe Service & Choke Valves
Schedule :
Online
Who is this for:
Mechanical Engineering Students , Professionals
Duration: 5-8 Hours
Schedule: Online
Level: Beginner
Rs: 29,000
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Gain an understanding of ShutDown Valve (SDV) and BlowDown Valve (BDV) criticality in the context of a safety system, valve inherent reliability, availability requirements and operational constraints
Valve design codes including ISO 14313, API 6D, ISO 17292 • Material selection for SDV, BDV and severe service/choke valves body and trim including NACE requirements
Seat leakage classifications and standards (ANSI, IEC, ISO, BS)
Basic concepts of SDV/BDV valves and their use as part of an Emergency Shutdown System
Requirements of Safety Standards applicable to SDV/BDV valves: IEC16508/ IEC16511
SIL levels, failure rates, MTBF, hardware fault tolerance, avoiding systematic failures, failure to operate on demand, redundancy
Availability requirements
Reliability requirements of SDV/BDV valves
Valve cycle times
Applicable codes and regulations
Definitions and terminolog
Full bore ball valve
Reduced bore valve: sizing considerations
Butterfly valve
Control valves
Linear vs rotary
Valve sizing considerations for liquid and gases
Maximum noise calculations
Material selection: body, trim, seals, O-rings, gaskets
Valve end connection options: flanged/ clamplock
Valve trim
Leak rates: maximum allowable seat and backseat leakage
Fire safe valves, standards, codes and tests
Types of actuators: pneumatic, hydraulic, electric, spring return, dual action, scotch yoke
Selection: prolonged position (long stand still) break torque requirement
Sizing
Actuator trim
Torque requirements for blowdown valves: spring start to open torque, opening torque, running torque, start to close (air start torque), reseat torque (end of close stroke)
Torque requirements for shutdown valves: spring start to close torque, closing torque, running torque, start to open (air start torque), reseat torque (end of open stroke)
Stem shear torque
Minimising size on offshore applications: dual acting hydraulic
Maximum operating pressure and maximum allowable working pressure
Actuator dimension limitations
Pneumatic hookups: closed loop breathing systems
Hydraulic systems for remote operation of SDV/BDV Valves
Fire safe actuators and fire blankets
Accumulators: uses
Types of accumulators: hydraulic/electric
Selection: bladder accumulators, piston accumulators, diaphragm accumulators, other
Sizing and other considerations
Preparation of a detailed technical specification
Data sheets for SDV/BDV
Accessories for SDV/BDV: solenoid valves, redundant solenoid valves, exhaust valves, smart positioners, position switches and indicators
Purchase order details: handling and transportation, spare requirements, quality assurance requirements, certification of materials, supplier documentation requirements, instructions to suppliers, weight control (offshore)
Protective coating specification
“As Built” updates to documentation
Testing: performance testing, leak test, verification of fire safe testing, inspector competency
Commissioning of SDV/BDV valves: considerations during pressure testing and flushing, construction waste and sea water issues
Failure to operate on demand: jerky operation, slow operation, failure to fully open or close, valve leakage
The use of “Smart Positioners” to verify valve status
Maintenance of SDV/BDV valves: preparation of a standard for factory overhaul of SDV/BDV valves to return valve and actuator to “As New” specification
Requirements, description, associated systems and parts
Valve design
Regulatory requirements
Reopening criteria: “Locked Closed” until authorised via independent master control panel
Achieving maximum reliability
Common mode failure points: failure modes effects and criticality analysis
RESDV valve selection: maximum reliability, availability and durability.
Actuator requirements: spring return, closing thrust requirement
Valve closure rate
Protection for fire, explosion and impact, active and passive fire protection, RESDV fire safe time period, fire protection failure criteria specific engineering requirements
Ensuring fail safe operation: protection and redundancy of control lines
Factory witness testing: full pressure and leakage test, competency of inspecting test verification engineer
Emergency Shutdown Systems (ESD) are a fundamental part of the safety systems associated with oil and gas, utility and other hazardous processes. Associated with these systems are specific valves which are used to isolate and blowdown the processes, referred to as Shutdown (SDV) and Blowdown (BDV) Valves respectively. In emergency situations it is critical that these valves operate correctly, therefore the engineering of the valves and actuators is paramount in ensuring plant safety. They must meet the Fire Safe and Reliability criteria determined by IEC16508 and IEC16511. This course covers these requirements in detail. Severe Service Valves and Wellhead Choke Valves are also examined. Severe Service Valves are required where the process can cause mechanical damage to conventional valves in the valve trim, and other components and equipment around the valve, through erosion, high noise, cavitation, and high vibration. These valves generally incorporate specialist features that overcome severe service issues by utilising "smart" designs.
Belo Ferreira BE (Aerospace), Adv Dip MechanicalTechnology/Engineering, Dip Civil Engineering Belo’s broad skills and interests allowhertowork in theMining,Mineral Processing, and other associated industries, including Oil and Gas. She has also worked within the Defence, Insurance, Medical, Legal, and Publishing Industries. Her work experiences has included: creating training packages for Defence with an emphasis on instructing personnel on the operation and maintenance procedures for a variety of equipment; technical writing for a number of organisations; and working as a project engineer for a number of large mining projects. Belo’s role as an engineer has seen her work autonomously and as a part of the Engineering Projects and AssetManagement teams. Herwork in these areas included: providing engineering and technical support; conducting inspections and undertaking NDT particularly in regard to the valves and other regulating devices of pressure vessels, mining equipment, and site infrastructure; and, managing projectswith a focus of adhering to technical requirements, schedules, assigned budgets, and design and safety standards. Her involvement with this work continues to this day.
Belo has an avid interestin advancing engineering technologies–small and large–particularly those that combine smart designs with sustainable development and environmental responsibility.This is especially the case in regard to valve and associated technologies where accidents, superseded technology, ineffective, inefficient, and/or negligent management has led to tremendous disasters in the Space and Oil and Gas industries, including: Soyuz 11 where the crew were all killed after a cabin vent valve accidentally opened at service module separation; Space Shuttle Challenger which was destroyed 73 seconds after lift-off, killing all seven crew members, when a faulty O-ring seal allowed hot gases fromthe shuttle solid rocket booster to impinge on the external propellant tank and booster strut; and, the Deepwater Horizon oil spill in the Gulf of Mexico where eleven were killed when highpressuremethanegas fromthewellexpandedintothedrilling riser androseintothedrilling rig, ignited, exploded, engulfed the platform, sunk the oil rig, causing a sea-floor oil gusher to flow.Many efforts – including attempts to close the blowout preventer valves on the wellhead, and placing a 125-tonne containment dome over the largest leak – were unsuccessful, and the flow continued for 87 days causing the largest accidental marine oil spill in the history of the petroleum industry, to date. Belo currently undertakes a wide scope of work which is compatible with her experiences, qualifications, interests and availability. Sheworks as a consultant, project manager, engineer, trainer, writer, and coach.
Online
Rs 29,000
Online
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