|
EN 12732:2013+A1:2014
|
Gas infrastructure - Welding steel pipework - Functional requirements |
|
EN 10208-2:2009
|
Steel pipes for pipelines for combustible fluids - Technical delivery conditions - Part 2: Pipes of requirement class B |
|
EN 13480-6:2017
|
Metallic industrial piping - Part 6: Additional requirements for buried piping |
|
EN 10240:1997
|
Internal and/or external protective coatings for steel tubes - Specification for hot dip galvanized coatings applied in automatic plants |
|
EN 10002-1 : 2001
|
METALLIC MATERIALS - TENSILE TESTING - PART 1: METHOD OF TEST AT AMBIENT TEMPERATURE |
|
EN 12327:2012
|
Gas infrastructure - Pressure testing, commissioning and decommissioning procedures - Functional requirements |
|
ISO 898-2:2012
|
Mechanical properties of fasteners made of carbon steel and alloy steel — Part 2: Nuts with specified property classes — Coarse thread and fine pitch thread |
|
IEC 60079-10:2002
|
Electrical apparatus for explosive gas atmospheres - Part 10: Classification of hazardous areas |
|
EN 1514-1:1997
|
Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 1: Non-metallic flat gaskets with or without inserts |
|
EN 13480-2:2017
|
Metallic industrial piping - Part 2: Materials |
|
EN 1555-1:2010
|
Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 1: General |
|
EN ISO 5817:2014
|
Welding - Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) - Quality levels for imperfections (ISO 5817:2014) |
|
EN 13100-1:2017
|
Non destructive testing of welded joints of thermoplastics semi-finished products - Part 1: Visual examination |
|
EN 751-3:1996/AC:1997
|
Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 3: Unsintered PTFE tapes |
|
EN 1555-3:2010+A1:2012
|
Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 3: Fittings |
|
EN 1515-1:1999
|
Flanges and their joints - Bolting - Part 1: Selection of bolting |
|
ISO 15348:2002
|
Pipework Metal bellows expansion joints General |
|
EN 10290:2002
|
Steel tubes and fittings for onshore and offshore pipelines - External liquid applied polyurethane and polyurethane-modified coatings |
|
EN 12007-3:2015
|
Gas infrastructure - Pipelines for maximum operating pressure up to and including 16 bar - Part 3: Specific functional requirements for steel |
|
EN 12560-1:2001
|
Flanges and their joints - Gaskets for Class-designated flanges - Part 1: Non-metallic flat gaskets with or without inserts |
|
ISO 3506-1:2009
|
Mechanical properties of corrosion-resistant stainless steel fasteners Part 1: Bolts, screws and studs |
|
EN 1775:2007
|
Gas supply - Gas pipework for buildings - Maximum operating pressure less than or equal to 5 bar - Functional recommendations |
|
DIN 267-4:1983-08
|
FASTENERS - TECHNICAL DELIVERY CONDITIONS - PROPERTY CLASSES FOR NUTS (PREVIOUS CLASSES) |
|
NFE 25 005 : 2005
|
FASTENERS - TEST METHODS |
|
EN 10216-5:2013
|
Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 5: Stainless steel tubes |
|
EN 13445-6 : 2014 COR 2017
|
UNFIRED PRESSURE VESSELS - PART 6: REQUIREMENTS FOR THE DESIGN AND FABRICATION OF PRESSURE VESSELS AND PRESSURE PARTS CONSTRUCTED FROM SPHEROIDAL GRAPHITE CAST IRON |
|
NFE 25 400 : 1985
|
|
|
EN 12560-2:2013
|
Flanges and their joints - Dimensions of gaskets for Class-designated flanges - Part 2: Spiral wound gaskets for use with steel flanges |
|
EN 13480-4:2017
|
Metallic industrial piping - Part 4: Fabrication and installation |
|
EN 1254-5:1998
|
Copper and copper alloys - Plumbing fittings - Part 5: Fittings with short ends for capillary brazing to copper tubes |
|
EN ISO 3506-1:2009
|
Mechanical properties of corrosion-resistant stainless steel fasteners - Part 1: Bolts, screws and studs (ISO 3506-1:2009) |
|
EN 1057:2006+A1:2010
|
Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications |
|
EN ISO 15612:2004
|
Specification and qualification of welding procedures for metallic materials - Qualification by adoption of a standard welding procedure (ISO 15612:2004) |
|
ISO 15610:2003
|
Specification and qualification of welding procedures for metallic materials — Qualification based on tested welding consumables |
|
EN 1759-1:2004
|
Flanges and their joint - Circular flanges for pipes, valves, fittings and accessories, Class designated - Part 1: Steel flanges, NPS 1/2 to 24 |
|
NFA 49 145 : 1978
|
STEEL TUBES - HOT FINISHED WELDED TUBES SUITABLE FOR THREADING - DIMENSIONS - TECHNICAL DELIVERY CONDITIONS |
|
ASTM F 593 : 2017 : REDLINE
|
Standard Specification for Stainless Steel Bolts, Hex Cap Screws, and Studs |
|
EN 1254-1:1998
|
Copper and copper alloys - Plumbing fittings - Part 1: Fittings with ends for capillary soldering or capillary brazing to copper tubes |
|
EN 1254-2:1998
|
Copper and copper alloys - Plumbing fittings - Part 2: Fittings with compression ends for use with copper tubes |
|
VDI 3733:1996-07
|
Noise at pipes |
|
BS 6104-1:1981
|
Mechanical properties of fasteners Specification for bolts, screws and studs |
|
EN 1714:1997/A2:2003
|
NON-DESTRUCTIVE TESTING OF WELDS - ULTRASONIC TESTING OF WELDED JOINTS |
|
EN 10289:2002
|
Steel tubes and fittings for onshore and offshore pipelines - External liquid applied epoxy and epoxy-modified coatings |
|
SAE J 429 : 2014
|
MECHANICAL AND MATERIAL REQUIREMENTS FOR EXTERNALLY THREADED FASTENERS |
|
EN 10088-3:2014
|
Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes |
|
EN 1594:2013
|
Gas infrastructure - Pipelines for maximum operating pressure over 16 bar - Functional requirements |
|
BS 6104-2:1983
|
Mechanical properties of fasteners Specification for nuts with specified proof load values |
|
NFT 54 065 : 1987
|
PLASTIQUES - TUBES EN POLYETHYLENE POUR RESEAUX DE DISTRIBUTION DE COMBUSTIBLES GAZEUX - SPECIFICATIONS ET METHODES D'ESSAIS |
|
ASME B16.11 : 2016
|
FORGED FITTINGS, SOCKET-WELDING AND THREADED |
|
NEN 2078 : 2001
|
REQUIREMENTS FOR INDUSTRIAL GAS INSTALLATIONS |
|
EN 10087:1998
|
Free-cutting steels - Technical delivery conditions for semi-finished products, hot-rolled bars and rods |
|
DIN 3547-1:1990-06
|
PN 4 TO PN 16 GAS AND WATER STOPVALVES; REQUIREMENTS AND ACCEPTANCE TESTING |
|
EN 1092-3:2003/AC:2007
|
FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, PN DESIGNATED - PART 3: COPPER ALLOY FLANGES |
|
EN 751-2:1996
|
Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 2: Non-hardening jointing compounds |
|
DIN 8075:2011-12
|
POLYETHYLENE (PE) PIPES - PE 80, PE 100 - GENERAL QUALITY REQUIREMENTS, TESTING |
|
EN 12954 : 2001
|
CATHODIC PROTECTION OF BURIED OR IMMERSED METALLIC STRUCTURES - GENERAL PRINCIPLES AND APPLICATION FOR PIPELINES |
|
EN 13480-1:2017
|
Metallic industrial piping - Part 1: General |
|
NFE 25 100 : 1985
|
|
|
NF EN 1594 : 2014
|
GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE OVER 16 BAR - FUNCTIONAL REQUIREMENTS |
|
EN 764-5:2014
|
Pressure equipment - Part 5: Inspection documentation of metallic materials and compliance with the material specification |
|
EN 20898-2 : 1993
|
MECHANICAL PROPERTIES OF FASTENERS - PART 2: NUTS WITH SPECIFIED PROOF LOAD VALUES - COARSE THREAD (ISO 898-2:1992) |
|
MSS SP 97 : 2012
|
INTEGRALLY REINFORCED FORGED BRANCH OUTLET FITTINGS - SOCKET WELDING, THREADED, AND BUTTWELDING ENDS |
|
IEC 60364-1:2005
|
Low-voltage electrical installations - Part 1: Fundamental principles, assessment of general characteristics, definitions |
|
DVGW VP 308 : 2004
|
GAS-ABSPERRARMATUREN FUER MANOMETER (EINSCHLIESSLICH UEBERDRUCKSCHUTZVORRICHTUNGEN) UND STEUERLEITUNGEN |
|
EN 12449:2016
|
Copper and copper alloys - Seamless, round tubes for general purposes |
|
EN 1044 : 1999
|
BRAZING - FILLER METALS |
|
EN 10045-1 : 1990
|
METALLIC MATERIALS - CHARPY IMPACT TEST - PART 1: TEST METHOD |
|
ISO 15612:2004
|
Specification and qualification of welding procedures for metallic materials Qualification by adoption of a standard welding procedure |
|
DIN 17458:1985-07
|
SEAMLESS CIRCULAR AUSTENITIC STAINLESS STEEL TUBES SUBJECT TO SPECIAL REQUIREMENTS - TECHNICAL DELIVERY CONDITIONS |
|
ISO 5817:2014
|
Welding — Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) — Quality levels for imperfections |
|
EN ISO 228-1:2003
|
Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation (ISO 228-1:2000) |
|
EN 12266-1:2012
|
Industrial valves - Testing of metallic valves - Part 1: Pressure tests, test procedures and acceptance criteria - Mandatory requirements |
|
EN 1515-2:2001
|
Flanges and their joints - Bolting - Part 2: Classification of bolt materials for steel flanges, PN designated |
|
NEN 3650 : 1992 C1 1996
|
REQUIREMENTS FOR STEEL PIPELINE TRANSPORTATION SYSTEMS |
|
EN 10217-7:2014
|
Welded steel tubes for pressure purposes - Technical delivery conditions - Part 7: Stainless steel tubes |
|
ISO 15614-1:2017
|
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 |
|
EN ISO 10806:2003
|
Pipework - Fittings for corrugated metal hoses (ISO 10806:2003) |
|
EN 13480-3:2017
|
Metallic industrial piping - Part 3: Design and calculation |
|
BS 1387:1985
|
Specification for screwed and socketed steel tubes and tubulars and for plain end steel tubes suitable for welding or for screwing to BS 21 pipe threads |
|
EN 1514-2:2014
|
Flanges and their joints - Gaskets for PN-designated flanges - Part 2: Spiral wound gaskets for use with steel flanges |
|
EN ISO 10380:2012
|
Pipework - Corrugated metal hoses and hose assemblies (ISO 10380:2012) |
|
DVGW VP 302 : 2006
|
GAS-ABSPERRARMATUREN AUS POLYETHYLEN (PE 80 UND PE 100); ANFORDERUNGEN UND PRUEFUNGEN |
|
EN 61779-5:2000
|
Electrical apparatus for the detection and measurement of flammable gases - Part 5: Performance requirements for group II apparatus indicating a volume fraction up to 100 % gas |
|
CEN/TR 13480-7:2017
|
Metallic industrial piping - Part 7: Guidance on the use of conformity assessment procedures |
|
EN 12279:2000/A1:2005
|
GAS SUPPLY SYSTEMS - GAS PRESSURE REGULATING INSTALLATIONS ON SERVICE LINES - FUNCTIONAL REQUIREMENTS |
|
ISO 10380:2012
|
Pipework — Corrugated metal hoses and hose assemblies |
|
ISO 15609-1:2004
|
Specification and qualification of welding procedures for metallic materials Welding procedure specification Part 1: Arc welding |
|
ISO 12944-1:2017
|
Paints and varnishes — Corrosion protection of steel structures by protective paint systems — Part 1: General introduction |
|
BS 2789:1985
|
Specification for spheroidal graphite or nodular graphite cast iron |
|
EN 437:2003+A1:2009
|
Test gases - Test pressures - Appliance categories |
|
ISO 9329-2:1997
|
Seamless steel tubes for pressure purposes — Technical delivery conditions — Part 2: Unalloyed and alloyed steels with specified elevated temperature properties |
|
NFT 54 066 : 1987
|
PLASTIQUES - RACCORDS EN POLYETHYLENE A EMBOITURES ELECTROSOUDABLES POUR RESEAUX DE DISTRIBUTION DE COMBUSTIBLES GAZEUX - SPECIFICATIONS ET METHODES D'ESSAIS |
|
IEC 60529:1989+AMD1:1999+AMD2:2013 CSV
|
Degrees of protection provided by enclosures (IP Code) |
|
DIN 1630:1984-10
|
HIGH PERFORMANCE SEAMLESS CIRCULAR UNALLOYED STEEL TUBES - TECHNICAL DELIVERY CONDITIONS |
|
DVGW VP 607 : 1994
|
|
|
NFA 32 201 : 1987
|
FOUNDRY PRODUCTS - CASTING PRODUCTS - UNALLOYED SPHEROIDAL GRAPHITE IRON CASTINGS |
|
EN 583-1:1998/A1:2003
|
NON-DESTRUCTIVE TESTING - ULTRASONIC EXAMINATION - GENERAL PRINCIPLES |
|
EN 1555-4:2011
|
Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 4: Valves |
|
EN 334:2005+A1:2009
|
Gas pressure regulators for inlet pressures up to 100 bar |
|
EN 10204:2004
|
Metallic products - Types of inspection documents |
|
EN 60079-10:2003
|
Electrical apparatus for explosive gas atmospheres - Part 10: Classification of hazardous areas |
|
NFE 29 591 : 1980
|
TUYAUTERIES EN CUIVRE - RACCORDS EN CUIVRE ET ALLIAGE DE CUIVRE, A BRASER PAR CAPILLARITE, UTILISES SOUS PRESSION |
|
IEC 60079-14:2013
|
Explosive atmospheres - Part 14: Electrical installations design, selection and erection |
|
EN 13786:2004+A1:2008
|
Automatic change-over valves having a maximum outlet pressure of up to and including 4 bar with a capacity of up to and including 100 kg/h, and their associated safety devices for butane, propane or their mixtures |
|
EN 12068:1998
|
Cold-rolled flat products made of high yield strength micro-alloyed steels for cold forming - General delivery conditions |
|
EN 751-1:1996
|
Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 1: Anaerobic jointing compounds |
|
EN 1563:2011
|
Founding - Spheroidal graphite cast irons |
|
NFT 54 067 : 1987
|
PLASTIQUES - ROBINETS POUR RESEAUX EN POLYETHYLENE DE DISTRIBUTION DE COMBUSTIBLES GAZEUX - SPECIFICATIONS ET METHODES D'ESSAIS |
|
DIN 8074:2011-12
|
Polyethylene (PE) - Pipes PE 80, PE 100 - Dimensions; Text in German and English |
|
EN ISO 15609-1:2004
|
Specification and qualification of welding procedures for metallic materials - Welding procedure specification - Part 1: Arc welding (ISO 15609-1:2004) |
|
EN 61779-1 : 2000 AMD 11 2004
|
ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF FLAMMABLE GASES - PART 1: GENERAL REQUIREMENTS AND TEST METHODS |
|
EN 1555-5:2010
|
Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 5: Fitness for purpose of the system |
|
EN 12007-2:2012
|
Gas infrastructure - Pipelines for maximum operating pressure up to and including 16 bar - Part 2: Specific functional requirements for polyethylene (MOP up to and including 10 bar) |
|
EN 1555-2:2010
|
Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 2: Pipes |
|
EN ISO 898-1:2013
|
Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1: Bolts, screws and studs with specified property classes - Coarse thread and fine pitch thread (ISO 898-1:2013) |
|
DVGW GW 2 : 2012
|
ASSEMBLAGE DE TUBES CUIVRE POUR INSTALLATIONS DE GAZ ET D'EAU A L'INTERIEUR DE TERRAINS ET DE BATIMENTS |
|
EN 10083-1:2006
|
Steels for quenching and tempering - Part 1: General technical delivery conditions |
|
EN 60079-14:2014/AC:2016
|
EXPLOSIVE ATMOSPHERES - PART 14: ELECTRICAL INSTALLATIONS DESIGN, SELECTION AND ERECTION (IEC 60079-14:2013/COR1:2016) |
|
EN 13785:2005+A1:2008
|
Regulators with a capacity of up to and including 100 kg/h, having a maximum nominal outlet pressure of up to and including 4 bar, other than those covered by EN 12864 and their associated safety devices for butane, propane or their mixtures |
|
EN 13134:2000
|
Brazing - Procedure approval |
|
EN 14382:2005+A1:2009/AC:2009
|
SAFETY DEVICES FOR GAS PRESSURE REGULATING STATIONS AND INSTALLATIONS - GAS SAFETY SHUT-OFF DEVICES FOR INLET PRESSURES UP TO 100 BAR |
|
EN 13774:2013
|
Valves for gas distribution systems with maximum operating pressure less than or equal to 16 bar - Performance requirements |
|
ISO 9000:2015
|
Quality management systems — Fundamentals and vocabulary |
|
IEC 61779-5:1998
|
Electrical apparatus for the detection and measurement of flammable gases - Part 5: Performance requirements for group II apparatus indicating a volume fraction up to 100 % gas |
|
ISO 10806:2003
|
Pipework Fittings for corrugated metal hoses |
|
EN 10084:2008
|
Case hardening steels - Technical delivery conditions |
|
DIN 3537-1:2011-09
|
GAS STOP VALVES FOR DOMESTIC GAS INSTALLATIONS UP TO 5 BAR - REQUIREMENTS AND TESTS |
|
EN 10216-1:2013
|
Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 1: Non-alloy steel tubes with specified room temperature properties |
|
DVGW G 477 : 1983
|
MANUFACTURE, QUALITY ASSURANCE AND TESTING OF RIGID PVC AND HDPE FOR GAS PIPELINES AND SPECIFICATIONS FOR PIPE JOINTS AND PIPE COMPONENTS |
|
NFA 35 574 : 1990
|
IRON AND STEEL PRODUCTS - GENERAL PURPOSE STAINLESS STEELS - GRADES 2: SEMI-FINISHED PRODUCTS AND BARS |
|
EN 60529:1991/AC:2016-12
|
DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015) |
|
EN 837-1:1996/AC:1998
|
PRESSURE GAUGES - BOURDON TUBE PRESSURE GAUGES - DIMENSIONS, METROLOGY, REQUIREMENTS AND TESTING |
|
EN 14291:2004
|
Foam producing solutions for leak detection on gas installations |
|
EN ISO 15610:2003
|
Specification and qualification of welding procedures for metallic materials - Qualification based on tested welding consumables (ISO 15610:2003) |
|
ISO 15607:2003
|
Specification and qualification of welding procedures for metallic materials General rules |
|
EN 331:2015
|
Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings |
|
EN 571-1:1997
|
Non destructive testing - Penetrant testing - Part 1: General principles |
|
EN 10208-1:2009
|
Steel pipes for pipelines for combustible fluids - Technical delivery condi-tions - Part 1: Pipes of requirement class A |
|
EN 13480-5:2017
|
Metallic industrial piping - Part 5: Inspection and testing |
|
EN 10220:2002
|
Seamless and welded steel tubes - Dimensions and masses per unit length |
|
ISO 3506-2:2009
|
Mechanical properties of corrosion-resistant stainless steel fasteners Part 2: Nuts |
|
DVGW VP 608 : 1995
|
PIPES OF POLYETHYLEN (PE 80 AND PE 100) FOR GAS- AND WATER PIPELINES - REQUIREMENTS AND TESTING |
|
EN 970:1997
|
Non-destructive examination of fusion welds - Visual examination |
|
EN 10226-1:2004
|
Pipe threads where pressure tight joints are made on the threads - Part 1: Taper external threads and parallel internal threads - Dimensions, tolerances and designation |
|
EN 1290:1998/A2:2003
|
NON-DESTRUCTIVE EXAMINATION OF WELDS - MAGNETIC PARTICLE EXAMINATION OF WELDS |
|
IEC 61779-1:1998
|
Electrical apparatus for the detection and measurement of flammable gases - Part 1: General requirements and test methods |
|
EN 12799:2000/A1:2003
|
BRAZING - NON-DESTRUCTIVE EXAMINATION OF BRAZED JOINTS |
|
NFA 35 561 : 1992
|
IRON AND STEEL PRODUCTS - GENERAL PURPOSE FREE CUTTING STEEL BARS, WIRE-RODS AND WIRES |
|
DIN 17440:2001-03
|
STAINLESS STEELS - TECHNICAL DELIVERY CONDITIONS FOR DRAWN WIRE |
|
EN 14141:2013
|
Valves for natural gas transportation in pipelines - Performance requirements and tests |
|
ISO 228-1:2000
|
Pipe threads where pressure-tight joints are not made on the threads Part 1: Dimensions, tolerances and designation |
|
EN 25817 : 1992
|
ARC WELDED JOINTS IN STEEL - GUIDANCE ON QUALITY LEVELS FOR IMPERFECTIONS |
|
EN ISO 9000:2015
|
Quality management systems - Fundamentals and vocabulary (ISO 9000:2015) |
|
EN 10253-2:2007
|
Butt-welding pipe fittings - Part 2: Non alloy and ferritic alloy steels with specific inspection requirements |
|
EN 10217-1:2002/A1:2005
|
WELDED STEEL TUBES FOR PRESSURE PURPOSES - TECHNICAL DELIVERY CONDITIONS - NON-ALLOY STEEL TUBES WITH SPECIFIED ROOM TEMPERATURE PROPERTIES |
|
EN 1435:1997/A2:2003
|
NON-DESTRUCTIVE TESTING OF WELDS - RADIOGRAPHIC TESTING OF WELDED JOINTS |
|
EN ISO 15607:2003
|
Specification and qualification of welding procedures for metallic materials - General rules (ISO 15607:2003) |
|
EN ISO/IEC 17020:2012
|
Conformity assessment - Requirements for the operation of various types of bodies performing inspection (ISO/IEC 17020:2012) |
|
EN 10255:2004+A1:2007
|
Non-Alloy steel tubes suitable for welding and threading - Technical delivery conditions |
|
ISO 898-1:2013
|
Mechanical properties of fasteners made of carbon steel and alloy steel — Part 1: Bolts, screws and studs with specified property classes — Coarse thread and fine pitch thread |
|
EN 10088-1:2014
|
Stainless steels - Part 1: List of stainless steels |
|
SAE J 995 : 2012
|
MECHANICAL AND MATERIAL REQUIREMENTS FOR STEEL NUTS |
|
DIN 2391-2:1994-09
|
SEAMLESS PRECISION STEEL TUBES - PART 2: TECHNICAL DELIVERY CONDITIONS |
|
EN ISO 3506-2:2009
|
Mechanical properties of corrosion-resistant stainless steel fasteners - Part 2: Nuts (ISO 3506-2:2009) |
|
EN 287-1:2011
|
Qualification test of welders - Fusion welding - Part 1: Steels |
|
EN 12186:2014
|
Gas infrastructure - Gas pressure regulating stations for transmission and distribution - Functional requirements |