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NF EN ISO 9606-2 : 2005
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QUALIFICATION TEST OF WELDERS - FUSION WELDING - PART 2: ALUMINIUM AND ALUMINIUM ALLOYS
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NF EN 1418 : 1998
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WELDING PERSONNEL - APPROVAL TESTING OF WELDING OPERATORS FOR FUSION WELDING AND RESISTANCE WELD SETTERS FOR FULLY MECHANIZED AND AUTOMATIC WELDING OF METALLIC MATERIALS
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NF EN ISO 9606-4 : 1999
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APPROVAL TESTING OF WELDERS - FUSION WELDING - PART 4: NICKEL AND NICKEL ALLOYS
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NF EN ISO 15613 : 2004
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SPECIFICATION AND QUALIFICATION OF WELDING PROCEDURES FOR METALLIC MATERIALS - QUALIFICATION BASED ON PRE-PRODUCTION WELDING TEST
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NF EN ISO 175 : 2011
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PLASTICS - METHODS OF TEST FOR THE DETERMINATION OF THE EFFECTS OF IMMERSION IN LIQUID CHEMICALS
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NF EN ISO 15607 : 2004
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SPECIFICATION AND QUALIFICATION OF WELDING PROCEDURES FOR METALLIC MATERIALS - GENERAL RULES
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NF EN 12186 : 2014
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GAS INFRASTRUCTURE - GAS PRESSURE REGULATING STATIONS FOR TRANSMISSION AND DISTRIBUTION - FUNCTIONAL REQUIREMENTS
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NF EN 1092-4 : 2002
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FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, PN DESIGNATED - PART 4: ALUMINIUM ALLOY FLANGES
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NF EN ISO 15614-2 : 2005
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SPECIFICATION AND APPROVAL OF WELDING PROCEDURES FOR METALLIC MATERIALS - WELDING PROCEDURE TESTS - PART 2: ARC WELDING OF ALUMINIUM AND ITS ALLOYS
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NF EN 12279 : 2000 AMD 1 2005
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GAS SUPPLY SYSTEMS - GAS PRESSURE REGULATING INSTALLATIONS ON SERVICE LINES - FUNCTIONAL REQUIREMENTS
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NF EN 13906-1 : 2013
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CYLINDRICAL HELICAL SPRINGS MADE FROM ROUND WIRE AND BAR - CALCULATION AND DESIGN - PART 1: COMPRESSION SPRINGS
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NF EN 10045-1 : 1990
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METALLIC MATERIALS - CHARPY IMPACT TEST - PART 1: TEST METHOD
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NF EN 473 : 2008
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NON DESTRUCTIVE TESTING - QUALIFICATION AND CERTIFICATION OF NDT PERSONNEL - GENERAL PRINCIPLES
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NF EN ISO 9606-3 : 1999
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APPROVAL TESTING OF WELDERS - FUSION WELDING - PART 3: COPPER AND COPPER ALLOYS
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NF EN 334 : 2005 + A1 2009
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GAS PRESSURE REGULATORS FOR INLET PRESSURES UP TO 100 BAR
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NF EN 60534-1 : 2005
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INDUSTRIAL-PROCESS CONTROL VALVES - PART 1: CONTROL VALVE TERMINOLOGY AND GENERAL CONSIDERATIONS
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NF EN 287-1 : 2011
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QUALIFICATION TEST OF WELDERS - FUSION WELDING - PART 1: STEELS
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NF EN 12516-4 : 2014
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INDUSTRIAL VALVES - SHELL DESIGN STRENGTH - PART 4: CALCULATION METHOD FOR VALVE SHELLS MANUFACTURED IN METALLIC MATERIALS OTHER THAN STEEL
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NF EN 1092-2 : 1997
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FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, PN DESIGNATED - PART 2: CAST IRON FLANGES
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NF EN ISO 15609-1 : 2005
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SPECIFICATION AND QUALIFICATION OF WELDING PROCEDURES FOR METALLIC MATERIALS - WELDING PROCEDURE SPECIFICATION - PART 1: ARC WELDING
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NF EN 1759-1 : 2005
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FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, CLASS DESIGNATED - PART 1: STEEL FLANGES NPS 1/2 TO 24
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NF EN 10204 : 2005
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METALLIC PRODUCTS - TYPES OF INSPECTION DOCUMENTS
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ISO 7-1:1994
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Pipe threads where pressure-tight joints are made on the threads Part 1: Dimensions, tolerances and designation
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NF ISO 1817 : 2015
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RUBBER, VULCANIZED OR THERMOPLASTIC - DETERMINATION OF THE EFFECT OF LIQUIDS
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NF EN ISO 15614-1 : 2017
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SPECIFICATION AND QUALIFICATION OF WELDING PROCEDURES FOR METALLIC MATERIALS - WELDING PROCEDURE TEST - PART 1: ARC AND GAS WELDING OF STEELS AND ARC WELDING OF NICKEL AND NICKEL ALLOYS
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NF EN 13906-2 : 2013
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CYLINDRICAL HELICAL SPRINGS MADE FROM ROUND WIRE AND BAR - CALCULATION AND DESIGN - PART 2: EXTENSION SPRINGS
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NF EN 19970 : 1997
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NON-DESTRUCTIVE EXAMINATION OF FUSION WELDS - VISUAL EXAMINATION
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NF EN ISO 15610 : 2004
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SPECIFICATION AND QUALIFICATION OF WELDING PROCEDURES FOR METALLIC MATERIALS - QUALIFICATION BASED ON TESTED WELDING CONSUMABLES
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NF EN 1759-3 : 2004
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FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, CLASS DESIGNATED - PART 3: COPPER ALLOY FLANGES
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|
NF EN 12516-1 : 2014
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INDUSTRIAL VALVES - SHELL DESIGN STRENGTH - PART 1: TABULATION METHOD FOR STEEL VALVE SHELLS
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NF EN 1349 : 2009
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INDUSTRIAL PROCESS CONTROL VALVES
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|
NF EN 10226-1 : 2004
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PIPE THREADS WHERE PRESSURE TIGHT JOINTS ARE MADE ON THE THREADS - PART 1: TAPER EXTERNAL THREADS AND PARALLEL INTERNAL THREADS - DIMENSIONS, TOLERANCES AND DESIGNATION
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NF EN ISO 15611 : 2004
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SPECIFICATION AND QUALIFICATION OF WELDING PROCEDURES FOR METALLIC MATERIALS - QUALIFICATION BASED ON PREVIOUS WELDING EXPERIENCE
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NF EN 12516-2 : 2014
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INDUSTRIAL VALVES - SHELL DESIGN STRENGTH - PART 2: CALCULATION METHOD FOR STEEL VALVE SHELLS
|
|
NF EN 1092-1 : 2007 + A1 2013
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FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, PN DESIGNATED - PART 1: STEEL FLANGES
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|
NF EN ISO 15612 : 2004
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SPECIFICATION AND QUALIFICATION OF WELDING PROCEDURES FOR METALLIC MATERIALS - QUALIFICATION BY ADOPTION OF A STANDARD WELDING PROCEDURE
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NF EN 13445-4 : 2014 AC 2 2016
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UNFIRED PRESSURE VESSELS - PART 4: FABRICATION
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|
NF EN 10226-2 : 2005
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PIPE THREADS WHERE PRESSURE TIGHT JOINTS ARE MADE ON THE THREADS - PART 2: TAPER EXTERNAL THREADS AND TAPER INTERNAL THREADS - DIMENSIONS, TOLERANCES AND DESIGNATION
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|
NF EN 1759-4 : 2004
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FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, CLASS DESIGNATED - PART 4: ALUMINIUM ALLOY FLANGES
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|
NF EN 1092-3 : 2004
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FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, PN DESIGNATED - PART 3: COPPER ALLOY FLANGES
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|
1997/23/EC : 1997
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DIRECTIVE 97/23/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 29 MAY 1997 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES CONCERNING PRESSURE EQUIPMENT
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