ASME Section VIII Division 1 & 2 - Pressure Vessel

DAY 1

• Introduction to ASME codes
• Structure of ASME VIII Div. 1
• ASME Code system: Code revisions, Editions, and addenda
• pressure vessels included in ASME Codes
• Pressure vessels excluded from ASME codes
• Design principles adopted in ASME codes,
• Design rules, How these were derived and arrived at
• Concept of working pressure, design pressure, MAWP
• Allowable stress in ASME design
• Weld joint categories
• Weld joint types
• Concept of weld joint efficiency
• Design of cylindrical and spherical shells under internal pressure
• Static head calculations
• MAWP calculations
• Types of dished heads.
• Selection of dished heads based on pressure / Diameter
• Design of Ellipsoidal heads.
• Design of torispherical heads
• Design of Hemispherical heads
• Design of conical heads
• Case Studies and Examples

DAY 2

• Nozzles and openings, reinforcement of openings
• Adequacy of weld joints for shells and nozzles
• Methods of design optimization, economical compliance.
• Quality Assurance System as per ASME codes
• Materials for pressure parts
• Materials for non-pressure parts
• Requirement of low-temperature service
• Deciding impact test requirement
• Impact test exemptions
• Impact test acceptance criteria
• Fabrication requirements
• Forming and ovality
• Weld fit-ups and misalignments
• Weld reinforcements
• Weld – metal build-up
• Weld joints in shells
• Weld joints for nozzle attachments

DAY 3

• Deciding PWHT requirement
• PWHT methods
• PWHT temperature, time
• Heating/cooling rates
• Deciding nozzle orientations
• Requirements of man-ways and inspection openings
• NDT of pressure vessels
• Selection of NDT methods
• Code requirement for radiography
• Acceptance criteria for elongated and rounded indications
• PT and MT requirements
• Acceptance criteria for PT and MT
• Hydrostatic and Pneumatic Tests
• Requirements for Pressure Gauges for pressure test
• Calculating test pressures, Inspection pressures, pressurization stages, and safety relief valve settings
• Test temperatures, Temperature Corrections
• Vessel stamping and Nameplate
• Introduction to Integrity Assessment of in-service vessels

DAY 4

• Introduction to ASME VIII Div 2
• Salient features of ASME Sec. VIII Div.2
• Basic differences between ASME VIII Div. 1 and ASME VIII Div. 2.
• Allowable Stress Basis and Safety Factors for design
• User’s design specification (UDS)
• Materials Permitted For Construction of Vessel Parts
• Supplemental Requirements for Carbon and Alloy Steels
• Material Test Requirements
• Deciding impact test requirement
• Stress ratio calculations
• Impact test exemptions
• Impact test acceptance criteria
• “Design by Rule” requirements
• Minimum Thickness Requirements
• Weld Category
• Weld Joint Type
• Types of Joints Permitted
• Design Rules for Shells Under Pressure
• Shell Tolerances
• Cylindrical Shells
• Conical Shells
• Spherical Shells and Hemispherical Heads
• Torispherical Heads
• Ellipsoidal Heads

DAY 5

• Fabrication Requirements
• Fitting and Alignment
• Preheating and Heat Treatment of Weldments
• PWHT methods
• PWHT temperature, time
• Heating/cooling rates
• Examination groups for pressure vessels
• Radiography and UT requirement-Volume NDT
• PT and MT requirements-Surface NDT
• Acceptance criteria for NDT
• Pressure Testing Requirements
• Hydrostatic and Pneumatic Tests
• Requirements for Pressure Gauges for pressure test
• Calculating test pressures, Inspection pressures, and pressurization stages.
• Test temperatures, Temperature Corrections
• Vessel stamping and Nameplate
• Case studies on Div 1 and Div 2
• Doubts and discussions

• Familiarize participants with the concepts and technical terms of the codes
• Know the basic concepts of the codes and their design fundamentals
• Understand salient features and differences between Div 1 and Div 2
• Know the design of the Shell, Heads, and other pressure parts
• Learn the design of nozzles and nozzle reinforcements
• Design for external pressure and Jacketed vessels
• Design requirements for low-temperature operation
• Discover the fabrication requirements, assembly, and welding requirements.
• NDT and Inspection procedures
• How to carry out pressure testing, certification, and stamping of Pressure Vessels.
• Introduction to Integrity assessment of in-service vessels.