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

