Certification and Standards in Pressure Equipment: Robin Cubizolles PIP2 Project

In the PIP2 Project led by Robin Cubizolles at CEA, certification and adherence to specific codes and standards are crucial for the design and manufacturing of pressure equipment. Directives such as the PED 2014/68/EU guide the design process, with standards like EN 13445 and EN 13458 ensuring compliance for unfired pressure vessels and cryogenic applications. Understanding distinctions between vessel types and taking into account factors like insulation vacuum are key considerations. The PED mandates detailed technical documentation, including design calculations, examinations, and test reports, to ensure safety and conformity with European regulations.

• Certification
• Standards
• Pressure Equipment
• Robin Cubizolles
• PIP2 Project

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1. PIP2 PROJECT WELD CERTIFICATION Robin Cubizolles www.cea.fr www.cea.fr | PAGE 1

2. CODE AND STANDARDS Directive used in CEA PED : Pressure equipment directive 2014/68/EU For pressure > 0.5 barg Standards used in CEA for the conception of vessels EN 13445 : Unfired pressure vessels No distinction between the vacuum vessel and the inner vessel /!\ do not take into account the insulation vacuum for the test pressure PT=1,43xPS EN 13458 : Cryogenic vessels Static vacuum insulated vessels Specific to the cryogenic application (Transposition of the EN13445 to the cryogenic application). Take into account the insulation vacuum for the test pressure. EN 13458-2 can be used for the conception of the inner vessel (helium diphasic tube) and outer jacket (vacuum vessel). | PAGE 2 | PAGE 2 Robin CUBIZOLLES PIP2 Vacuum Vessel

3. CODE AND STANDARDS Directive used in CEA PED : Pressure equipment directive 2014/68/EU For pressure > 0.5 barg Standards used in CEA for the conception of vessels EN 13445 : Unfired pressure vessels No distinction between the vacuum vessel and the inner vessel /!\ do not take into account the insulation vacuum for the test pressure PT=1,43xPS EN 13458 : Cryogenic vessels Static vacuum insulated vessels Specific to the cryogenic application (Transposition of the EN13445 to the cryogenic application). Take into account the insulation vacuum for the test pressure. EN 13458-2 can be used for the conception of the inner vessel (helium diphasic tube) and outer jacket (vacuum vessel). | PAGE 3 | PAGE 3 Robin CUBIZOLLES PIP2 Vacuum Vessel

4. PED PED - Pressure equipment directive 2014/68/EU 2 groups of gases : non-dangerous / dangerous 2 families : Vessel or Piping 5 risk category : with associated control procedures | PAGE 4 | PAGE 4 Robin CUBIZOLLES PIP2 Vacuum Vessel

5. PED Article 4.3: Designed and manufactured in accordance with the sound engineering practice of a Member State of the European Community Category 1: Module A Technical documentation. Keep the documentation at the disposal of the relevant national authorities for inspection purposes for a period of ten years. Affix the CE marking to each item of pressure equipment. Declaration of conformity. A general description of the pressure equipment. Conceptual design and manufacturing drawings and diagrams of components, sub-assemblies, circuits Descriptions and explanations of the drawings, diagrams and the operation of the pressure equipment, A list of the standards, Results of design calculations made, examinations carried out Test reports. | PAGE 5 | PAGE 5 Robin CUBIZOLLES PIP2 Vacuum Vessel

6. CRYOMODULE COMPONENTS Pipe B - Pumping line MAWP: 2.05 bar Pipe G - 2phase He pipe & Relief line MAWP: 2.05 bar Pipe E & F - 35-50 K line MAWP: 20 bar Pipe A - 2 K supply MAWP: 20 bar Pipe H - Cool down / warm up line MAWP: 20 bar Pipe C & D - 5 K line MAWP: 20 bar From FDR H 650 Cryomodule design overview - part 1 | V. Roger | PAGE 6 | PAGE 6 Robin CUBIZOLLES PIP2 Vacuum Vessel

7. CRYOMODULE COMPONENTS For the L 650 Article 4.3 Pipe B - Pumping line MAWP: 2.05 bar Submitted to the Category 1 Pipe G - 2phase He pipe & Relief line MAWP: 2.05 bar Pipe E & F - 35-50 K line MAWP: 20 bar Pipe A - 2 K supply MAWP: 20 bar Pipe H - Cool down / warm up line MAWP: 20 bar Pipe C & D - 5 K line MAWP: 20 bar Article 4.3 From FDR H 650 Cryomodule design overview - part 1 | V. Roger Use of the EN 13445 or EN 13458 for the conception and fabrication of the 2phase pipe | PAGE 7 | PAGE 7 Robin CUBIZOLLES PIP2 Vacuum Vessel

8. CODE AND STANDARDS Directive used in CEA PED : Pressure equipment directive 2014/68/EU For pressure > 0.5 barg Standards used in CEA for the conception of vessels EN 13445 : Unfired pressure vessels No distinction between the vacuum vessel and the inner vessel /!\ do not take into account the insulation vacuum for the test pressure PT=1,43xPS EN 13458 : Cryogenic vessels Static vacuum insulated vessels Specific to the cryogenic application (Transposition of the EN13445 to the cryogenic application). Take into account the insulation vacuum for the test pressure. EN 13458-2 can be used for the conception of the inner vessel (helium diphasic tube) and outer jacket (vacuum vessel). | PAGE 8 | PAGE 8 Robin CUBIZOLLES PIP2 Vacuum Vessel

9. CODE AND STANDARDS Directive used in CEA PED : Pressure equipment directive 2014/68/EU For pressure > 0.5 barg Quite similar for the conception of vessel but have some differences for the weld inspection and thus, weld certifications Standards used in CEA for the conception of cryomodule EN 13445 : Unfired pressure vessels No distinction between the vacuum vessel and the inner vessel /!\ do not take into account the insulation vacuum for the test pressure PT=1,43xPS EN 13458 : Cryogenic vessels Static vacuum insulated vessels Specific to the cryogenic application (Transposition of the EN13445 to the cryogenic application). Take into account the insulation vacuum for the test pressure. EN 13458-2 can be used for the conception of the inner vessel (helium diphasic tube) and outer jacket (vacuum vessel). | PAGE 9 | PAGE 9 Robin CUBIZOLLES PIP2 Vacuum Vessel

10. EN 13445-3 | EN 13445-5 Verification of the welds for pressure vessel depends of the group control. Four groups control subdivided into 2 groups a) and b) for the group 1, 2 and 3. Depend of the weld joint factor used during the conception of the components. Form EN 13445-3 Part Conception The inspection of the welds. | PAGE 10 | PAGE 10 Robin CUBIZOLLES PIP2 Vacuum Vessel Form EN 13445-5| Part verification

11. EN 13445-3 | EN 13445-5 Verification of the welds for pressure vessel depends of the group control. Four groups control subdivided into 2 groups a) and b) for the group 1, 2 and 3. Depend of the weld joint factor used during the conception of the components. Form EN 13445-3 Part Conception The inspection of the welds. Depend of the type of control RT : Radiographic inspection UT : Ultrasonic inspection MT : Magnetoscopy PT : Dye penetrant testing | PAGE 11 | PAGE 11 Robin CUBIZOLLES PIP2 Vacuum Vessel Form EN 13445-5| Part verification

12. EN 13445-3 | EN 13445-5 Verification of the welds for pressure vessel depends of the group control. Four groups control subdivided into 2 groups a) and b) for the group 1, 2 and 3. Depend of the weld joint factor used during the conception of the components. Form EN 13445-3 Part Conception The inspection of the welds. Depends of the material Example (see EN 13445-2): P355GH : group 1.2 b) 304L (1,4307) : group 8.1 a) or b) | PAGE 12 | PAGE 12 Robin CUBIZOLLES PIP2 Vacuum Vessel Form EN 13445-5| Part inspection and controls

13. EN 13458-2 Inspection of the welds for the cryogenic inner vessel 6.3.3. Depend of the weld joint factor used during the conception of the components. Depend of the type of welds. No verification of the vacuum vessel welds are required by the EN 13458 | PAGE 13 | PAGE 13 Robin CUBIZOLLES PIP2 Vacuum Vessel

14. SUMMARY Conception depending of the standard Choice of the weld joint factor Choice of the material Inspection of the welds Control depends of : Type of welds Type of controls Radiographic Ultrasonic | PAGE 14 | PAGE 14 Robin CUBIZOLLES PIP2 Vacuum Vessel

15. SUMMARY Conception depending of the standard Choice of the weld joint factor Choice of the material Technical documentations Qualification testing of welders Welding specifications Inspection of the welds Control depends of : Type of welds Type of controls Radiographic Ultrasonic Testing Helium leak check Pressure test Thermal shock with liquid nitrogen CERTIFICATION | PAGE 15 | PAGE 15 Robin CUBIZOLLES PIP2 Vacuum Vessel