Section 8 Requirements for fusion welded pressure vessels
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Special Service Craft, July 2022 - Part 15 Piping Systems and Pressure Plant - Chapter 4 Pressure Plant - Section 8 Requirements for fusion welded pressure vessels

Section 8 Requirements for fusion welded pressure vessels

Parent topic: Chapter 4 Pressure Plant

8.1 General requirements

8.1.1 Welded construction of pressure vessels is to be in accordance with the requirements specified in Ch 13, 1 General welding requirements and Ch 13, 4 Specific requirements for fusion welded pressure vessels of the Rules for Materials.

8.1.2 Fusion welded pressure vessels constructed to Class 1 and Class 2/1 requirements will be accepted only if manufactured by firms equipped and competent to undertake high quality welding. In order that firms may be approved for this purpose, it will be necessary for the Surveyors to visit the works for the purpose of inspecting the welding plant equipment and procedures, and to arrange for the carrying out of preliminary tests as stated in Ch 13, 4 Specific requirements for fusion welded pressure vessels of the Rules for Materials.

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