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IBR Piping Presentation – Indian Boiler Regulations for Steam Pipes and Feed Pipes

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IBR Piping Presentation – Indian Boiler Regulations for Steam Pipes and Feed Pipes

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Ramkrushna

Contributor since 2025

About this document

Download this detailed IBR piping presentation covering regulations, material selection, approvals, inspections, and thickness calculations.

Description

This comprehensive PPT presentation provides a complete and structured understanding of Indian Boiler Regulations (IBR) with a special focus on piping systems, approvals, design standards, and inspection processes. Designed for mechanical engineers, piping designers, boiler inspectors, quality engineers, and students, this document explains the full scope of IBR compliance for steam pipes, feed pipes, and related boiler components.

The presentation opens with an introduction to IBR, explaining its purpose, statutory authority, and how IBR regulations provide standards for materials, design, construction, inspection, and testing of boilers and piping systems. It outlines key definitions from the Act, including roles of Controlling Authority, Chief Inspector, Inspecting Authority, Competent Authority, and describes fundamental components such as boilers, economizers, and feed pipes.

A major section of the PPT focuses on IBR in piping—defining which pipelines fall under IBR purview. It explains that steam pipelines exceeding 3.5 kg/cm² or 254 mm internal diameter, as well as boiler feedwater lines and condensate return lines, must be designed, fabricated, and installed only after approval from the State IBR authority. The presentation also highlights which equipment such as economisers, superheaters, deaerators, feed heaters, flanges, valves, and mountings come under IBR.

The document covers important submissions required for IBR approval, including system P&IDs, Piping Material Specifications, pipe thickness calculations, branch reinforcement calculations, stress analysis reports, utility station drawings, steam trap assemblies, fabrication drawings, isometrics, and valve lists. It clearly explains the roles of Form I, II, III-A, III-B, and III-C, required for various components such as pipes, tubes, fittings, valves, and mountings.

Material selection guidelines are presented with reference to IBR Regulations 520–534 and 343–374. The PPT lists permissible materials for feed pipes (cast iron, copper, steel) along with their allowable pressure and temperature limitations. It also provides detailed tables for carbon steel, alloy steel, cast steel, molybdenum steel, copper, and chromium-molybdenum steels, with maximum allowable temperatures and working pressures.

Pipe thickness calculations are explained with formulas from IBR Regulation 350 for steel pipes, Regulation 351 for cast steel pipes, and Regulation 352 for copper pipes. Each formula is supported by clear variable definitions—design pressure (P), outside diameter (D), allowable stress (S), efficiency factor (E), and corrosion allowance (C). This is especially useful for piping design engineers preparing MTOs, isometric drawings, and stress-compliant piping layouts.

Inspection and testing requirements are thoroughly described, including hydraulic test regulations for feed pipes (Reg. 534), steam pipes (Reg. 395), economisers (Reg. 527), and procedures for boiler inspections (Reg. 376, 378, 379). The PPT outlines detailed test conditions such as water temperature limits, test pressure multiplication factors, inspection steps, lagging removal, and documentation requirements before issuing approval certificates.

Additionally, the presentation covers plan submission fees for feed pipes and steam pipes, referencing the exact fee structure from IBR Regulations 394 and 534(B). This practical information helps project engineers and EPC contractors plan regulatory budgets and timelines.

Overall, this PPT serves as a highly structured and technical introduction to Indian Boiler Regulations for piping systems. It simplifies a complex legal and technical framework into practical knowledge suitable for engineering design, fabrication, inspection, project execution, and regulatory compliance. Download this IBR Piping Presentation to gain a clear and complete understanding of IBR standards, material selection rules, thickness calculations, inspection procedures, and approval workflows.