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EN 12732:2013+A1:2014
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Gas infrastructure - Welding steel pipework - Functional requirements
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EN 10208-2:2009
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Steel pipes for pipelines for combustible fluids - Technical delivery conditions - Part 2: Pipes of requirement class B
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EN 12327:2012
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Gas infrastructure - Pressure testing, commissioning and decommissioning procedures - Functional requirements
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EN 1514-1:1997
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Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 1: Non-metallic flat gaskets with or without inserts
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EN 1515-1:1999
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Flanges and their joints - Bolting - Part 1: Selection of bolting
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EN 10290:2002
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Steel tubes and fittings for onshore and offshore pipelines - External liquid applied polyurethane and polyurethane-modified coatings
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EN 10288:2002
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Steel tubes and fittings for onshore and offshore pipelines - External two layer extruded polyethylene based coatings
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EN 12560-1:2001
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Flanges and their joints - Gaskets for Class-designated flanges - Part 1: Non-metallic flat gaskets with or without inserts
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EN 1591-1:2013
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Flanges and their joints - Design rules for gasketed circular flange connections - Part 1: Calculation
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EN 12560-3:2001
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Flanges and their joints - Gaskets for Class-designated flanges - Part 3: Non-metallic PTFE envelope gaskets
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EN 12560-2:2013
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Flanges and their joints - Dimensions of gaskets for Class-designated flanges - Part 2: Spiral wound gaskets for use with steel flanges
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EN 12007-1:2012
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Gas infrastructure - Pipelines for maximum operating pressure up to and including 16 bar - Part 1: General functional requirements
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EN 12560-4:2001
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Flanges and their joints - Gaskets for Class-designated flantes - Part 4: Corrugated, flat or grooved metallic and filled metallic gaskets for use with steel flanges
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EN 10289:2002
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Steel tubes and fittings for onshore and offshore pipelines - External liquid applied epoxy and epoxy-modified coatings
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PREN 1594 : DRAFT 2013
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GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE OVER 16 BAR - FUNCTIONAL REQUIREMENTS
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EN 12954 : 2001
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CATHODIC PROTECTION OF BURIED OR IMMERSED METALLIC STRUCTURES - GENERAL PRINCIPLES AND APPLICATION FOR PIPELINES
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EN 1515-2:2001
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Flanges and their joints - Bolting - Part 2: Classification of bolt materials for steel flanges, PN designated
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EN 1514-2:2014
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Flanges and their joints - Gaskets for PN-designated flanges - Part 2: Spiral wound gaskets for use with steel flanges
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PREN 12007-1 : DRAFT 2010
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GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE UP TO AND INCLUDING 16 BAR - PART 1: GENERAL FUNCTIONAL RECOMMENDATIONS
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PREN 1759-3 : DRAFT 94
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FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, CLASS DESIGNATED - PART 3: COPPER ALLOY AND COMPOSITE FLANGES
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EN 1514-4:1997
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Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 4: Corrugated, flat or grooved metallic and filled metallic gaskets for use with steel flanges
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EN 10204:2004
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Metallic products - Types of inspection documents
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EN 12068:1998
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Cold-rolled flat products made of high yield strength micro-alloyed steels for cold forming - General delivery conditions
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EN 13774:2013
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Valves for gas distribution systems with maximum operating pressure less than or equal to 16 bar - Performance requirements
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EN 1514-3:1997
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Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 3: Non-metallic PTFE envelope gaskets
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EN 12560-5:2001
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Flanges and their joints - Gaskets for Class-designated flanes - Part 5: Metallic ring joint gaskets for use with steel flanges
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EN 10208-1:2009
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Steel pipes for pipelines for combustible fluids - Technical delivery condi-tions - Part 1: Pipes of requirement class A
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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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EN 10255:2004+A1:2007
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Non-Alloy steel tubes suitable for welding and threading - Technical delivery conditions
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