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Mechanical Joint Integrity for Flange Bolted Connections [For Inexperience Personnel](MJI)

IMM Certified Technician in Mechanical Joint Integrity For Flange Bolted Connections (For Inexperience Personnel)

Code: MJI

This certification scheme is designed to equip workers with knowledge concerning typical flange/clamp bolted connections, covering supplementary health, safety and environment, fundamental theoretical knowledge, assembly and reinstatement, post assembly checking/testing, and periodic inspection. It covers both theoretical knowledge and hands-on skills relevant to LOPC prevention and repair in flanged bolted connections. It provides the theoretical basis and practical competencies required by a worker to sit for assessment so as to be a certified competent technician in Mechanical Joint Integrity (MJI) for Flange Bolted Connections.

Course Objectives
  • Build a strong understanding of bolting principles, flange/clamp connections, and supplementary health, safety, and environmental (HSE) requirements
  • Demonstrate practical skills in disassembly, inspection, assembly, reinstatement, and post‑assembly testing of bolted joints
  • Validate workers’ ability to perform periodic inspections and ensure compliance with ASME PCC‑1:2022 standards for safe and reliable operations
Course Content
  • Introduction to ASME PCC‑1:2022 and Bolting Principles
  • Threaded Fasteners: Types, Terminology, and Applications
  • Bolt Forces, Preload, and Clamping Load Concepts
  • Tension, Compression, and Bolting Mechanics
  • Primary Components of a Bolted Flange Joint
  • Forces Acting on Joints Under Pressure
  • Bolt Load Range and Flange Standards
  • Flange Identification, Misalignment, and Rotation Issues
  • Flange Surface Defects and Surface Finish Requirements
  • Bolt and Nut Strength Grades, Studs, and Washers
  • Conical Spring Washers (Belleville) and Their Applications
  • Gasket Sealing Principles and Material Selection
  • Types of Gaskets: Metallic, Semi‑Metallic, PTFE, Spiral Wound, Kammprofile, DJ, and Insulating
  • Nozzle Loads, Relief Path Blockage, and Cold Set Spring Hangers
  • Inspection Hold Points, Fastener & Gasket Summary, and Assessment
  • Practical Hands‑On: Manual Torque Wrench Applications
  • Practical Hands‑On: Hydraulic Torque Wrench (HTW) and Hydraulic Bolt Tensioner (HBT)
Duration
  • 3 Days
Who Should Attend
  • Fitters/Riggers ,Site Team Leaders, Quality and Inspection personnel, Construction superintendent, Construction supervisors
Pre-Requisites
  • Minimum academic qualification – at least 6 years elementary school with valid school certificate OR
  • Minimum 1 year working experience at site (offshore or for onshore plant/construction site, or shutdown/turnaround) AND
  • Have used manual torque wrench or under supervised using manual torque wrench and hydraulic torque wrench for flange bolted connections
Certificate
  • IMM Certified Technician in Mechanical Joint Integrity for Flanged Bolted Connections
Language
  • English / Bahasa Malaysia
Course Schedule

Date Available:

  • 7 – 9 September 2026
  • 1 – 3 December 2026

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