EN ISO 6708:1995
Current
Current
The latest, up-to-date edition.
Pipework components - Definition and selection of DN (nominal size) (ISO 6708:1995)
Published date
01-07-1995
Publisher
Sorry this product is not available in your region.
Foreword
1 Scope
2 Definition
3 DN Series
Cancels and replaces the first edition (1980). Gives the definition of DN (nominal size) when applied to components of a pipework system, as specified in those standards which use the DN designation system. Gives a list of preferred DN values.
| Committee |
CEN/TC 74
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Current
|
| Standards | Relationship |
| DIN EN ISO 6708:1995-09 | Identical |
| ISO 6708:1995 | Identical |
| NBN EN ISO 6708 : 1996 | Identical |
| NF EN ISO 6708 : 1995 | Identical |
| NEN EN ISO 6708 : 1995 | Identical |
| NS EN ISO 6708 : 1ED 1995 | Identical |
| I.S. EN ISO 6708:1996 | Identical |
| PN EN ISO 6708 : 1998 | Identical |
| SN EN ISO 6708 : 1995 | Identical |
| UNI EN ISO 6708 : 1997 | Identical |
| SS-EN ISO 6708:1996 | Identical |
| UNE-EN ISO 6708:1996 | Identical |
| BS EN ISO 6708:1996 | Identical |
| EN 14423:2013+A1:2016 | Clamp type coupling assemblies for use with steam hoses rated for pressures up to 18 bar |
| 13/30255705 DC : 0 | BS EN 1514-2 - FLANGES AND THEIR JOINTS - GASKETS FOR PN-DESIGNATED FLANGES - PART 2: SPIRAL WOUND GASKETS FOR USE WITH STEEL FLANGES |
| ONORM EN ISO 4126-2 : 2006 | SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 2: BURSTING DISC SAFETY DEVICES |
| 99/709740 DC : DRAFT JUN 99 | PREN 10253-2 - BUTT WELDING PIPE FITTINGS - PART 2: WROUGHT CARBON AND FERRITIC ALLOY STEELS WITH SPECIFIC INSPECTION REQUIREMENTS |
| BS EN 10253-2:2007 | Butt-welding pipe fittings Non alloy and ferritic alloy steels with specific inspection requirements |
| 17/30350901 DC : 0 | BS EN 215 - THERMOSTATIC RADIATOR VALVES - REQUIREMENTS AND TEST METHODS |
| 03/302503 DC : DRAFT FEB 2003 | BS EN 14276-2 - PRESSURE EQUIPMENT FOR REFRIGERATING SYSTEMS AND HEAT PUMPS - PART 2: PIPING - GENERAL REQUIREMENTS |
| 12/30254917 DC : DRAFT JAN 2012 | BS EN 877 - CAST IRON PIPES AND FITTINGS, THEIR JOINTS AND ACCESSORIES FOR THE EVACUATION OF WATER FROM BUILDINGS - REQUIREMENTS, TEST METHODS AND QUALITY ASSURANCE |
| 01/709787 DC : DRAFT JUN 2001 | PREN ISO 16138 - INDUSTRIAL VALVES - DIAPHRAGM VALVES OF THERMOPLASTIC MATERIALS |
| 13/30279702 DC : 0 | BS EN 331 - MANUALLY OPERATED BALL VALVES AND CLOSED BOTTOM TAPER PLUG VALVES FOR GAS INSTALLATIONS FOR BUILDINGS |
| 13/30275593 DC : 0 | BS EN 14432 - TANKS FOR THE TRANSPORT OF DANGEROUS GOODS - TANK EQUIPMENT FOR THE TRANSPORT OF LIQUID CHEMICALS AND LIQUEFIED GASES - PRODUCT DISCHARGE AND AIR INLET VALVES |
| 03/104248 DC : DRAFT FEB 2003 | EN 14628 - DUCTILE IRON PIPES, FITTINGS AND ACCESSORIES - EXTERNAL POLYETHYLENE COATING FOR PIPES IN HIGHLY AGGRESSIVE SOILS - REQUIREMENTS AND TEST METHODS |
| 05/30132854 DC : DRAFT APR 2005 | EN 1092-1 - FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, PN DESIGNATED - PART 1: STEEL FLANGES |
| 06/30157192 DC : 0 | BS EN 736-3 - VALVES - TERMINOLOGY - PART 3: DEFINITION OF TERMS |
| BS EN 16617:2015 | Pipework. Corrugated metal hose assemblies for combustible gas. Performance requirements, testing and marking |
| 13/30280746 DC : 0 | BS EN 14433 - TANKS FOR THE TRANSPORT OF DANGEROUS GOODS - TANK EQUIPMENT FOR THE TRANSPORT OF LIQUID CHEMICALS AND LIQUEFIED GASES - FOOT VALVES |
| 01/716091 DC : DRAFT DEC 2001 | ISO 4126-4.3 - SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 4: PILOT-OPERATED SAFETY VALVES |
| DIN EN 16617:2015-07 | PIPEWORK - CORRUGATED METAL HOSE ASSEMBLIES FOR COMBUSTIBLE GAS - PERFORMANCE REQUIREMENTS, TESTING AND MARKING |
| DIN CEN/TS 13547:2007-02 | INDUSTRIAL VALVES - COPPER ALLOY BALL VALVES |
| 10/30234616 DC : 0 | BS EN 14420-7 - HOSE FITTINGS WITH CLAMP UNITS - PART 7: CAM LOCKING COUPLINGS |
| 01/709788 DC : DRAFT JUN 2001 | PREN ISO 21787 - INDUSTRIAL VALVES - GLOBE VALVES OF THERMOPLASTIC MATERIALS |
| 01/703999 DC : DRAFT FEB 2001 | EN ISO 10380 PIPEWORK - CORRUGATED METAL HOSES AND HOSE ASSEMBLIES |
| 01/709786 DC : DRAFT JUN 2001 | PREN ISO 16137 - INDUSTRIAL VALVES - CHECK VALVES OF THERMOPLASTIC MATERIALS |
| UNE-EN 13547:2014 | Industrial valves - Copper alloy ball valves |
| DD CEN/TS 13547:2006 | Industrial valves. Copper alloy ball valves |
| PREN 14276-2 : DRAFT 2017 | PRESSURE EQUIPMENT FOR REFRIGERATING SYSTEMS AND HEAT PUMPS - PART 2: PIPING - GENERAL REQUIREMENTS |
| I.S. EN 378-2:2016 | REFRIGERATING SYSTEMS AND HEAT PUMPS - SAFETY AND ENVIRONMENTAL REQUIREMENTS - PART 2: DESIGN, CONSTRUCTION, TESTING, MARKING AND DOCUMENTATION |
| I.S. EN 13547:2013 | INDUSTRIAL VALVES - COPPER ALLOY BALL VALVES |
| BS EN ISO 4126-2:2003 | Safety devices for protection against excessive pressure Bursting disc safety devices |
| EN 12261:2018 | Gas meters - Turbine gas meters |
| EN 545:2010 | Ductile iron pipes, fittings, accessories and their joints for water pipelines - Requirements and test methods |
| I.S. EN 14382:2005 | SAFETY DEVICES FOR GAS PRESSURE REGULATING STATIONS AND INSTALLATIONS - GAS SAFETY SHUT-OFF DEVICES FOR INLET PRESSURES UP TO 100 BAR |
| I.S. EN 488:2015 | DISTRICT HEATING PIPES - PREINSULATED BONDED PIPE SYSTEMS FOR DIRECTLY BURIED HOT WATER NETWORKS - STEEL VALVE ASSEMBLY FOR STEEL SERVICE PIPES, POLYURETHANE THERMAL INSULATION AND OUTER CASING OF POLYETHYLENE |
| I.S. EN 215:2004 | THERMOSTATIC RADIATOR VALVES - REQUIREMENTS AND TEST METHODS |
| EN 736-3:2008 | Valves - Terminology - Part 3: Definition of terms |
| DIN EN 1759-1:2005-02 | Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, Class designated - Part 1: Steel flanges, NPS 1/2 to 24 |
| DIN EN 1759-4:2003-12 | FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, CLASS DESIGNATED - PART 4: ALUMINIUM ALLOY FLANGES |
| DIN EN 13136:2013-12 | REFRIGERATING SYSTEMS AND HEAT PUMPS - PRESSURE RELIEF DEVICES AND THEIR ASSOCIATED PIPING - METHODS FOR CALCULATION |
| BS EN 14525:2004 | Ductile iron wide tolerance couplings and flange adaptors for use with pipes of different materials: ductile iron, grey iron, steel, PVC-U, PE, fibre-cement |
| UNE-EN 378-2:2017 | Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation |
| BS EN 12560-6:2003 | Flanges and their joints. Gaskets for class-designated flanges Covered serrated metal gaskets for use with steel flanges |
| BS EN 13828:2003 | Building valves. Manually operated copper alloy and stainless steel ball valves for potable water supply in buildings. Tests and requirements |
| BS EN 12308:1998 | Installations and equipment for LNG. Suitability testing of gaskets designed for flanged joints used on LNG piping |
| BS EN 14420-5:2013 | Hose fittings with clamp units Threaded connections |
| BS EN 12288:2010 | Industrial valves. Copper alloy gate valves |
| BS EN 877 : 1999 | CAST IRON PIPES AND FITTINGS, THEIR JOINTS AND ACCESSORIES FOR THE EVACUATION OF WATER FROM BUILDINGS - REQUIREMENTS, TEST METHODS AND QUALITY ASSURANCE |
| BS EN 14267:2004 | Irrigation techniques. Irrigation hydrants |
| BS EN 13348:2016 | Copper and copper alloys. Seamless, round copper tubes for medical gases or vacuum |
| UNE-EN 331:2016 | Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings |
| BS EN 13136 : 2013 | REFRIGERATING SYSTEMS AND HEAT PUMPS - PRESSURE RELIEF DEVICES AND THEIR ASSOCIATED PIPING - METHODS FOR CALCULATION |
| BS EN 14382 : 2005 | SAFETY DEVICES FOR GAS PRESSURE REGULATING STATIONS AND INSTALLATIONS - GAS SAFETY SHUT-OFF DEVICES FOR INLET PRESSURES UP TO 100 BAR |
| I.S. EN 14276-1:2006 | PRESSURE EQUIPMENT FOR REFRIGERATING SYSTEMS AND HEAT PUMPS - PART 1: VESSELS - GENERAL REQUIREMENTS |
| BS EN 13648-1:2008 | Cryogenic vessels. Safety devices for protection against excessive pressure Safety valves for cryogenic service |
| BS EN 14628:2005 | Ductile iron pipes, fittings and accessories. External polythene coating for pipes. Requirements and test methods |
| BS EN 13275:2000 | Cryogenic vessels. Pumps for cryogenic service |
| BS EN 88-2:2007 | Pressure regulators and associated safety devices for gas appliances Pressure regulators for inlet pressures above 500 mbar up to and including 5 bar |
| BS EN ISO 10807:1997 | Pipework. Corrugated flexible metallic hose assemblies for the protection of electrical cables in explosive atmosphere |
| BS EN 14420-3:2013 | Hose fittings with clamp units Clamp units, bolted or pinned |
| BS EN 14420-7:2013 | Hose fittings with clamp units Cam locking couplings |
| BS EN 12560-4:2001 | Flanges and their joints. Gaskets for Class-designated flanges Corrugated, flat or grooved metallic and filled metallic gaskets for use with steel flanges |
| I.S. EN 12288:2010 | INDUSTRIAL VALVES - COPPER ALLOY GATE VALVES |
| DIN EN 736-3:2008-04 | Valves - Terminology - Part 3: Definition of terms |
| I.S. EN 877:2000 | CAST IRON PIPES AND FITTINGS, THEIR JOINTS AND ACCESSORIES FOR THE EVACUATION OF WATER FROM BUILDINGS - REQUIREMENTS, TEST METHODS AND QUALITY ASSURANCE |
| I.S. EN 10242:1995 | THREADED PIPE FITTING IN MALLEABLE CAST IRON |
| DIN EN 13828:2003-12 | BUILDING VALVES - MANUALLY OPERATED COPPER ALLOY AND STAINLESS STEEL BALL VALVES FOR POTABLE WATER SUPPLY IN BUILDINGS - TESTS AND REQUIREMENTS |
| DIN EN 14154-2:2011-06 | WATER METERS - PART 2: INSTALLATION AND CONDITIONS OF USE |
| EN 12288:2010 | Industrial valves - Copper alloy gate valves |
| EN 1267:2012 | Industrial valves - Test of flow resistance using water as test fluid |
| EN 1057:2006+A1:2010 | Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications |
| EN 12560-4:2001 | 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 |
| EN 12560-3:2001 | Flanges and their joints - Gaskets for Class-designated flanges - Part 3: Non-metallic PTFE envelope gaskets |
| EN 13547:2013 | Industrial valves - Copper alloy ball valves |
| EN 10311:2005 | Joints for the connection of steel tubes and fittings for the conveyance of water and other aqueous liquids |
| EN 10253-1:1999 | Butt-welding pipe fittings - Part 1: Wrought carbon steel for general use and without specific inspection requirements |
| EN 10253-3:2008 | Butt-welding pipe fittings - Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements |
| UNI EN 877 : 2007 | CAST IRON PIPES AND FITTINGS, THEIR JOINTS AND ACCESSORIES FOR THE EVACUATION OF WATER FROM BUILDINGS - REQUIREMENTS, TEST METHODS AND QUALITY ASSURANCE |
| EN 1092-2:1997 | Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 2: Cast iron flanges |
| EN 12178:2016 | Refrigerating systems and heat pumps - Liquid level indicating devices - Requirements, testing and marking |
| EN 12735-2:2016 | Copper and copper alloys - Seamless, round tubes for air conditioning and refrigeration - Part 2: Tubes for equipment |
| I.S. EN 12284:2003 | REFRIGERATING SYSTEMS AND HEAT PUMPS - VALVES - REQUIREMENTS, TESTING AND MARKING |
| EN 13348:2016 | Copper and copper alloys - Seamless, round copper tubes for medical gases or vacuum |
| 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 |
| CEN/TS 13547:2006 | Industrial valves - Copper alloy ball valves |
| DIN 1988-300:2012-05 | Codes of practice for drinking water installations - Part 300: Pipe sizing; DVGW code of practice |
| DIN EN 10253-2:2008-09 | Butt-welding pipe fittings - Part 2: Non alloy and ferritic alloy steels with specific inspection requirements |
| 14/30294473 DC : 0 | BS EN 488 - DISTRICT HEATING PIPES - PREINSULATED BONDED PIPE SYSTEMS FOR DIRECTLY BURIED HOT WATER NETWORKS - STEEL VALVE ASSEMBLY FOR STEEL SERVICE PIPES, POLYURETHANE THERMAL INSULATION AND OUTER CASING OF POLYETHYLENE |
| PREN 14382 : DRAFT 2016 | GAS SAFETY SHUT-OFF DEVICES FOR INLET PRESSURE UP TO 100 BAR |
| 07/30158960 DC : 0 | BS EN 13648-1 - CRYOGENIC VESSELS - SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 1: SAFETY VALVES FOR CRYOGENIC SERVICE |
| DIN EN 1474-2:2009-02 | Installation and equipment for liquefied natural gas - Design and testing of marine transfer systems - Part 2: Design and testing of transfer hoses |
| CEI EN 60534-3-2 : 2002 | INDUSTRIAL-PROCESS CONTROL VALVES - PART 3-2: DIMENSIONS - FACE-TO-FACE DIMENSIONS FOR ROTARY CONTROL VALVES EXCEPT BUTTERFLY VALVES |
| 09/30197349 DC : 0 | BS ISO 4126-5 - SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 5: CONTROLLED SAFETY PRESSURE-RELIEF SYSTEMS (CSPRS) |
| I.S. EN 334:2005 | GAS PRESSURE REGULATORS FOR INLET PRESSURES UP TO 100 BAR |
| PREN ISO 4126-1 : DRAFT 2009 | SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 1: SAFETY VALVES |
| 10/30216654 DC : 0 | BS EN 12842 - DUCTILE IRON FITTINGS FOR PVC-U OR PE PIPING SYSTEMS - REQUIREMENTS AND TEST METHODS |
| 02/710678 DC : DRAFT SEP 2002 | PREN 1514-8 - FLANGES AND THEIR JOINTS - DIMENSIONS OF GASKETS FOR PN-DESIGNATED FLANGES - PART 8: POLYMERIC O-RING GASKETS FOR GROOVED FLANGES |
| 16/30334287 DC : 0 | BS EN 334 - GAS PRESSURE REGULATORS FOR INLET PRESSURE UP TO 100 BAR |
| 01/122757 DC : DRAFT JULY 2001 | ISO/DIS 16138 - INDUSTRIAL VALVES - DIAPHRAGM VALVES OF THERMOPLASTIC MATERIALS |
| UNI EN 334 : 2009 | GAS PRESSURE REGULATORS FOR INLET PRESSURES UP TO 100 BAR |
| 04/30117386 DC : DRAFT JUL 2004 | EN 334 - GAS PRESSURE REGULATORS FOR INLET PRESSURES UP TO 100 BAR |
| ISO 4126-2:2003 | Safety devices for protection against excessive pressure Part 2: Bursting disc safety devices |
| I.S. EN 16617:2015 | PIPEWORK - CORRUGATED METAL HOSE ASSEMBLIES FOR COMBUSTIBLE GAS - PERFORMANCE REQUIREMENTS, TESTING AND MARKING |
| I.S. EN 14423:2013 | CLAMP TYPE COUPLING ASSEMBLIES FOR USE WITH STEAM HOSES RATED FOR PRESSURES UP TO 18 BAR |
| EN 10253-2:2007 | Butt-welding pipe fittings - Part 2: Non alloy and ferritic alloy steels with specific inspection requirements |
| I.S. EN 13136:2013 | REFRIGERATING SYSTEMS AND HEAT PUMPS - PRESSURE RELIEF DEVICES AND THEIR ASSOCIATED PIPING - METHODS FOR CALCULATION |
| I.S. EN 10253-2:2007 | BUTT-WELDING PIPE FITTINGS - PART 2: NON ALLOY AND FERRITIC ALLOY STEELS WITH SPECIFIC INSPECTION REQUIREMENTS |
| DIN EN 877:2010-01 | Cast iron pipes and fittings, their joints and accessories for the evacuation of water from buildings - Requirements, test methods and quality assurance (includes Amendment A1:2006 and Corrigendum AC:2008) |
| DIN EN 12288:2010-10 | Industrial valves - Copper alloy gate valves |
| DIN EN 12284:2004-01 | Refrigerating systems and heat pumps - Valves - Requirements, testing and marking |
| DIN EN 1626:2009-01 | CRYOGENIC VESSELS - VALVES FOR CRYOGENIC SERVICE |
| DIN EN 12842:2012-11 | Ductile iron fittings for PVC-U or PE piping systems - Requirements and test methods |
| DIN EN 14382:2016-05 (Draft) | SAFETY DEVICES FOR GAS PRESSURE REGULATING STATIONS AND INSTALLATIONS - GAS SAFETY SHUT-OFF DEVICES FOR INLET PRESSURES UP TO 100 BAR |
| DIN EN 598:2009-10 | Ductile iron pipes, fittings, accessories and their joints for sewerage applications - Requirements and test methods (includes Amendment A1:2009) |
| DIN EN 14268:2005-11 | IRRIGATION TECHNIQUES - METERS FOR IRRIGATION WATER |
| DIN EN 14422:2013-09 | CLAMP TYPE COUPLING ASSEMBLIES FOR LIQUEFIED PETROLEUM GAS (LPG) TRANSFER HOSES |
| DIN EN 1514-6:2004-03 | Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 6: Covered serrated metal gaskets for use with steel flanges; German version EN 1514-6:2003 |
| DIN EN 14267:2004-10 | Irrigation techniques - Irrigation hydrants |
| DIN EN 14384:2005-10 | Pillar fire hydrants; German version EN 14384:2005 |
| BS EN 10242:1995 | Threaded pipe fittings in malleable cast iron |
| BS EN 14154-2 : 2005 | WATER METERS - PART 2: INSTALLATION AND CONDITIONS OF USE |
| ISO 15761:2002 | Steel gate, globe and check valves for sizes DN 100 and smaller, for the petroleum and natural gas industries |
| BS EN 598 : 2007 | DUCTILE IRON PIPES, FITTINGS, ACCESSORIES AND THEIR JOINTS FOR SEWERAGE APPLICATIONS - REQUIREMENTS AND TEST METHODS |
| BS EN 334 : 2005 | GAS PRESSURE REGULATORS FOR INLET PRESSURES UP TO 100 BAR |
| UNE-EN 545:2011 | Ductile iron pipes, fittings, accessories and their joints for water pipelines - Requirements and test methods |
| BS EN 13648-2:2002 | Cryogenic vessels. Safety devices for protection against excessive pressure Bursting disc safety devices for cryogenic service |
| BS EN 1514-8:2004 | Flanges and their joints. Dimensions of gaskets for PN-designated flanges Polymeric O-Ring gaskets for grooved flanges |
| BS EN 1514-7:2004 | Flanges and their joints. Dimensions of gaskets for PN-designated flanges Covered metal jacketed gaskets for use with steel flanges |
| I.S. EN 14420-5:2013 | HOSE FITTINGS WITH CLAMP UNITS - PART 5: THREADED CONNECTIONS |
| I.S. EN 1267:2012 | INDUSTRIAL VALVES - TEST OF FLOW RESISTANCE USING WATER AS TEST FLUID |
| I.S. EN 13648-1:2008 | CRYOGENIC VESSELS - SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 1: SAFETY VALVES FOR CRYOGENIC SERVICE |
| I.S. EN 14420-6:2013 | HOSE FITTINGS WITH CLAMP UNITS - PART 6: TW TANK TRUCK COUPLINGS |
| I.S. EN 14652:2006 | WATER CONDITIONING EQUIPMENT INSIDE BUILDINGS - MEMBRANE SEPARATION DEVICES - REQUIREMENTS FOR PERFORMANCE, SAFETY AND TESTING |
| I.S. EN 598:2007 | DUCTILE IRON PIPES, FITTINGS, ACCESSORIES AND THEIR JOINTS FOR SEWERAGE APPLICATIONS - REQUIREMENTS AND TEST METHODS |
| I.S. EN 1092-3:2003 | FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, PN DESIGNATED - PART 3: COPPER ALLOY FLANGES |
| I.S. EN 12842:2012 | DUCTILE IRON FITTINGS FOR PVC-U OR PE PIPING SYSTEMS - REQUIREMENTS AND TEST METHODS |
| I.S. EN 969:2009 | DUCTILE IRON PIPES, FITTINGS, ACCESSORIES AND THEIR JOINTS FOR GAS PIPELINES - REQUIREMENTS AND TEST METHODS |
| DIN EN 14420-1:2013-09 | Hose fittings with clamp units - Part 1: Requirements, types of fixing and connection, designation and testing |
| I.S. EN 14420-8:2013 | HOSE FITTINGS WITH CLAMP UNITS - PART 8: SYMMETRICAL HALF COUPLING (GUILLEMIN SYSTEM) |
| DIN EN 14420-8:2016-06 | HOSE FITTINGS WITH CLAMP UNITS - PART 8: SYMMETRICAL HALF COUPLING (GUILLEMIN SYSTEM) |
| I.S. EN 1514-2:2014 | FLANGES AND THEIR JOINTS - GASKETS FOR PN-DESIGNATED FLANGES - PART 2: SPIRAL WOUND GASKETS FOR USE WITH STEEL FLANGES |
| DIN EN 14420-3:2013-09 | HOSE FITTINGS WITH CLAMP UNITS - PART 3: CLAMP UNITS, BOLTED OR PINNED |
| I.S. 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 |
| I.S. EN 736-3:2008 | VALVES - TERMINOLOGY - PART 3: DEFINITION OF TERMS |
| DIN EN 1057:2010-06 | Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications (includes Amendment A1:2010) |
| I.S. EN 14628:2005 | DUCTILE IRON PIPES, FITTINGS AND ACCESSORIES - EXTERNAL POLYETHYLENE COATING FOR PIPES - REQUIREMENTS AND TEST METHODS |
| I.S. EN 331:2015 | MANUALLY OPERATED BALL VALVES AND CLOSED BOTTOM TAPER PLUG VALVES FOR GAS INSTALLATIONS FOR BUILDINGS |
| I.S. EN 14420-2:2013 | HOSE FITTINGS WITH CLAMP UNITS - PART 2: HOSE SIDE PARTS OF HOSE TAIL |
| DIN EN 14420-5:2013-09 | HOSE FITTINGS WITH CLAMP UNITS - PART 5: THREADED CONNECTIONS |
| DIN EN 14420-7:2013-09 | Hose fittings with clamp units - Part 7: Cam locking couplings |
| I.S. EN 14422:2013 | CLAMP TYPE COUPLING ASSEMBLIES FOR LIQUEFIED PETROLEUM GAS (LPG) TRANSFER HOSES |
| EN 1514-2:2014 | Flanges and their joints - Gaskets for PN-designated flanges - Part 2: Spiral wound gaskets for use with steel flanges |
| I.S. EN 12178:2016 | REFRIGERATING SYSTEMS AND HEAT PUMPS - LIQUID LEVEL INDICATING DEVICES - REQUIREMENTS, TESTING AND MARKING |
| I.S. EN 12434:2000 | CRYOGENIC VESSELS - CRYOGENIC FLEXIBLE HOSES |
| I.S. EN 13348:2016 | COPPER AND COPPER ALLOYS - SEAMLESS, ROUND COPPER TUBES FOR MEDICAL GASES OR VACUUM |
| I.S. EN 545:2010 | DUCTILE IRON PIPES, FITTINGS, ACCESSORIES AND THEIR JOINTS FOR WATER PIPELINES - REQUIREMENTS AND TEST METHODS |
| DIN EN 14420-6:2013-09 | Hose fittings with clamp units - Part 6: TW tank truck couplings |
| I.S. EN 14420-3:2013 | HOSE FITTINGS WITH CLAMP UNITS - PART 3: CLAMP UNITS, BOLTED OR PINNED |
| DIN EN 14420-2:2013-09 | Hose fittings with clamp units - Part 2: Hose side parts of hose tail |
| DIN EN 14420-4:2013-09 | Hose fittings with clamp units - Part 4: Flange connections |
| I.S. EN 14420-4:2013 | HOSE FITTINGS WITH CLAMP UNITS - PART 4: FLANGE CONNECTIONS |
| I.S. EN 14420-7:2013 | HOSE FITTINGS WITH CLAMP UNITS - PART 7: CAM LOCKING COUPLINGS |
| I.S. EN 1092-2:1997 | FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, PN DESIGNATED - PART 2: CAST IRON FLANGES |
| I.S. EN 12735-2:2016 | COPPER AND COPPER ALLOYS - SEAMLESS, ROUND TUBES FOR AIR CONDITIONING AND REFRIGERATION - PART 2: TUBES FOR EQUIPMENT |
| I.S. EN 14420-1:2013 | HOSE FITTINGS WITH CLAMP UNITS - PART 1: REQUIREMENTS, TYPES OF FIXING AND CONNECTION, DESIGNATION AND TESTING |
| I.S. EN 88-2:2007 | PRESSURE REGULATORS AND ASSOCIATED SAFETY DEVICES FOR GAS APPLIANCES - PART 2: PRESSURE REGULATORS FOR INLET PRESSURES ABOVE 500 MBAR UP TO AND INCLUDING 5 BAR |
| PREN 12842 : DRAFT 2010 | DUCTILE IRON FITTINGS FOR PVC-U OR PE PIPING SYSTEMS - REQUIREMENTS AND TEST METHODS |
| 12/30247799 DC : DRAFT JAN 2012 | BS EN 12560-2 - FLANGES AND THEIR JOINTS - DIMENSIONS OF GASKETS FOR CLASS DESIGNATED FLANGES - PART 2: SPIRAL WOUND GASKETS FOR USE WITH STEEL FLANGES |
| BS EN 10253-3:2008 | Butt-welding pipe fittings Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements |
| 08/30181473 DC : DRAFT JULY 2008 | BS EN 545 - DUCTILE IRON PIPES, FITTINGS, ACCESSORIES AND THEIR JOINTS FOR WATER PIPELINES - REQUIREMENTS AND TEST METHODS |
| 09/30197346 DC : 0 | BS ISO 4126-4 - SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 4: PILOT-OPERATED SAFETY VALVES |
| UNI EN 13136 : 2014 | REFRIGERATING SYSTEMS AND HEAT PUMPS - PRESSURE RELIEF DEVICES AND THEIR ASSOCIATED PIPING - METHODS FOR CALCULATION |
| I.S. EN 1474-2:2008 | INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - DESIGN AND TESTING OF MARINE TRANSFER SYSTEMS - PART 2: DESIGN AND TESTING OF TRANSFER HOSES |
| 02/710115 DC : DRAFT AUG 2002 | PREN 14525 - DUCTILE IRON WIDE TOLERANCE COUPLINGS AND FLANGE ADAPTORS FOR USE WITH PIPES OF DIFFERENT MATERIALS: DUCTILE IRON, GREY IRON, STEEL, PVC-U PE, FIBRE-CEMENT |
| 17/30351224 DC : 0 | BS EN 14276-1 - PRESSURE EQUIPMENT FOR REFRIGERATING SYSTEMS AND HEAT PUMPS - PART 1: VESSELS - GENERAL REQUIREMENTS |
| DIN EN 10253-4:2008-06 | Butt-welding pipe fittings - Part 4: Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements |
| 03/107351 DC : DRAFT APR 2003 | EN 1514-2 - FLANGES AND THEIR JOINTS - DIMENSIONS OF GASKETS FOR PN-DESIGNATED FLANGES - PART 2: SPIRAL WOUND GASKETS FOR USE WITH STEEL FLANGES |
| PREN ISO 4126-2 : DRAFT 1998 | SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 2: BURSTING DISC SAFETY DEVICES |
| 17/30358655 DC : 0 | BS EN 13136 - REFRIGERATING SYSTEMS AND HEAT PUMPS - PRESSURE RELIEF DEVICES AND THEIR ASSOCIATED PIPING - METHODS FOR CALCULATION |
| 13/30291774 DC : 0 | BS EN 378-2 - REFRIGERATING SYSTEMS AND HEAT PUMPS - SAFETY AND ENVIRONMENTAL REQUIREMENTS - PART 2: DESIGN, CONSTRUCTION, TESTING, MARKING AND DOCUMENTATION |
| 09/30205880 DC : DRAFT OCT 2009 | BS EN 12288 - INDUSTRIAL VALVES - COPPER ALLOY GATE VALVES |
| 09/30197343 DC : 0 | BS ISO 4126-1 - SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 1: SAFETY VALVES |
| 01/713262 DC : DRAFT SEP 2001 | PREN 14268 - IRRIGATION TECHNIQUES - METRES FOR IRRIGATION WATER |
| 10/30234607 DC : 0 | BS EN 14422 - CLAMP TYPE COUPLING ASSEMBLIES FOR LPG TRANSFER HOSES |
| BS EN 1474-2:2008 | Installation and equipment for liquefied natural gas. Design and testing of marine transfer systems Design and testing of transfer hoses |
| 01/122755 DC : DRAFT JULY 2001 | ISO/DIS 21787 - INDUSTRIAL VALVES - GLOBE VALVES OF THERMOPLASTIC MATERIALS |
| 01/709785 DC : DRAFT JUN 2001 | PREN ISO 16136 - INDUSTRIAL VALVES - BUTTERFLY VALVES OF THERMOPLASTIC MATERIALS |
| UNI EN 10253-4 : 2009 | BUTT-WELDING PIPE FITTINGS - PART 4: WROUGHT AUSTENITIC AND AUSTENITIC-FERRITIC (DUPLEX) STAINLESS STEELS WITH SPECIFIC INSPECTION REQUIREMENTS |
| PREN 12178 : DRAFT 2016 | REFRIGERATING SYSTEMS AND HEAT PUMPS - LIQUID LEVEL INDICATING DEVICES - REQUIREMENTS, TESTING AND MARKING |
| UNI EN 1092-1 : 2013 | FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, PN DESIGNATED - PART 1: STEEL FLANGES |
| DIN EN 1092-1:2016-05 (Draft) | FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, PN DESIGNATED - PART 1: STEEL FLANGES |
| DIN EN 334:2016-05 (Draft) | GAS PRESSURE REGULATORS FOR INLET PRESSURES UP TO 100 BAR |
| UNI EN 1474-2 : 2009 | INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - DESIGN AND TESTING OF MARINE TRANSFER SYSTEMS - PART 2: DESIGN AND TESTING OF TRANSFER HOSES |
| UNI EN 13547 : 2013 | INDUSTRIAL VALVES - COPPER ALLOY BALL VALVES |
| I.S. CEN TS 13547:2006 | INDUSTRIAL VALVES - COPPER ALLOY BALL VALVES |
| I.S. EN 1057:2006 | COPPER AND COPPER ALLOYS - SEAMLESS, ROUND COPPER TUBES FOR WATER AND GAS IN SANITARY AND HEATING APPLICATIONS |
| I.S. EN 12261:2002 | GAS METERS - TURBINE GAS METERS |
| DIN EN 13648-1:2009-02 | CRYOGENIC VESSELS - SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 1: SAFETY VALVES FOR CRYOGENIC SERVICE |
| DIN EN 12178:2016-05 (Draft) | REFRIGERATING SYSTEMS AND HEAT PUMPS - LIQUID LEVEL INDICATING DEVICES - REQUIREMENTS, TESTING AND MARKING |
| DIN EN 331:2016-04 | MANUALLY OPERATED BALL VALVES AND CLOSED BOTTOM TAPER PLUG VALVES FOR GAS INSTALLATIONS FOR BUILDINGS |
| DIN EN 14276-2:2011-05 | PRESSURE EQUIPMENT FOR REFRIGERATING SYSTEMS AND HEAT PUMPS - PART 2: PIPING - GENERAL REQUIREMENTS |
| DIN EN 14276-1:2011-05 | PRESSURE EQUIPMENT FOR REFRIGERATING SYSTEMS AND HEAT PUMPS - PART 1: VESSELS - GENERAL REQUIREMENTS |
| DIN EN 488:2016-02 | DISTRICT HEATING PIPES - PREINSULATED BONDED PIPE SYSTEMS FOR DIRECTLY BURIED HOT WATER NETWORKS - STEEL VALVE ASSEMBLY FOR STEEL SERVICE PIPES, POLYURETHANE THERMAL INSULATION AND OUTER CASING OF POLYETHYLENE |
| DIN EN 1514-2:2014-12 | Flanges and their joints - Gaskets for PN-designated flanges - Part 2: Spiral wound gaskets for use with steel flanges |
| BS EN 1074-1:2000 | Valves for water supply. Fitness for purpose requirements and appropriate verification tests General requirements |
| BS EN 12735-2:2016 | Copper and copper alloys. Seamless, round tubes for air conditioning and refrigeration Tubes for equipment |
| BS EN 545:2010 | Ductile iron pipes, fittings, accessories and their joints for water pipelines. Requirements and test methods |
| BS EN 969:2009 | Ductile iron pipes, fittings, accessories and their joints for gas pipelines. Requirements and test methods |
| BS EN 12434:2000 | Cryogenic vessels. Cryogenic flexible hoses |
| BS EN 13371:2002 | Cryogenic vessels. Couplings for cryogenic service |
| UNE-EN 1267:2012 | Industrial valves - Test of flow resistance using water as test fluid |
| BS EN 1626:2008 | Cryogenic vessels. Valves for cryogenic service |
| UNE-EN 12842:2013 | Ductile iron fittings for PVC-U or PE piping systems - Requirements and test methods |
| UNE-EN 1514-2:2014 | Flanges and their joints - Gaskets for PN-designated flanges - Part 2: Spiral wound gaskets for use with steel flanges |
| UNE-EN 14420-7:2014 | Hose fittings with clamp units - Part 7: Cam locking couplings |
| EN 14276-1:2020 | Pressure equipment for refrigerating systems and heat pumps - Part 1: Vessels - General requirements |
| UNE-EN 14154-1:2005 | Water meters - Part 1: General requirements |
| EN ISO 15761:2002 | Steel gate, globe and check valves for sizes DN 100 and smaller, for the petroleum and natural gas industries (ISO 15761:2002) |
| I.S. EN 12569:2000 | INDUSTRIAL VALVES - VALVES FOR CHEMICAL AND PETROCHEMICAL PROCESS INDUSTRY - REQUIREMENTS AND TESTS |
| UNI EN 14276-2 : 2011 | PRESSURE EQUIPMENT FOR REFRIGERATING SYSTEMS AND HEAT PUMPS - PART 2: PIPING - GENERAL REQUIREMENTS |
| UNI EN 14276-1 : 2011 | PRESSURE EQUIPMENT FOR REFRIGERATING SYSTEMS AND HEAT PUMPS - PART 1: VESSELS - GENERAL REQUIREMENTS |
| UNE-EN 14154-2:2005 | Water meters - Part 2 : Installation and conditions of use |
| EN 1474-2:2008 | Installation and equipment for liquefied natural gas - Design and testing of marine transfer systems - Part 2: Design and testing of transfer hoses |
| EN 488:2015 | District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Steel valve assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene |
| UNI EN 13348 : 2008 | COPPER AND COPPER ALLOYS - SEAMLESS, ROUND COPPER TUBES FOR MEDICAL GASES OR VACUUM |
| UNI EN 1057 : 2010 | COPPER AND COPPER ALLOYS - SEAMLESS, ROUND COPPER TUBES FOR WATER AND GAS IN SANITARY AND HEATING APPLICATIONS |
| UNI EN 14420-6 : 2013 | HOSE FITTINGS WITH CLAMP UNITS - PART 6: TW TANK TRUCK COUPLINGS |
| UNI EN 14420-2 : 2013 | HOSE FITTINGS WITH CLAMP UNITS - PART 2: HOSE SIDE PARTS OF HOSE TAIL |
| UNI EN 14268 : 2006 | IRRIGATION TECHNIQUES - METERS FOR IRRIGATION WATER |
| UNI EN 12288 : 2010 | INDUSTRIAL VALVES - COPPER ALLOY GATE VALVES |
| UNI EN 1267 : 2012 | INDUSTRIAL VALVES - TEST OF FLOW RESISTANCE USING WATER AS TEST FLUID |
| UNI EN 14525 : 2005 | DUCTILE IRON WIDE TOLERANCE COUPLINGS AND FLANGE ADAPTORS FOR USE WITH PIPES OF DIFFERENT MATERIALS: DUCTILE IRON, GREY IRON, STEEL, PVC-U PE, FIBRE-CEMENT |
| UNI EN 969 : 2009 | DUCTILE IRON PIPES, FITTINGS, ACCESSORIES AND THEIR JOINTS FOR GAS PIPELINES - REQUIREMENTS AND TEST METHODS |
| UNI EN 12842 : 2012 | DUCTILE IRON FITTINGS FOR PVC-U OR PE PIPING SYSTEMS - REQUIREMENTS AND TEST METHODS |
| UNI 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 |
| UNI EN 1626 : 2009 | CRYOGENIC VESSELS - VALVES FOR CRYOGENIC SERVICE |
| UNI EN 14154-2 : 2011 | WATER METERS - PART 2: INSTALLATION AND CONDITIONS OF USE |
| UNI EN 14154-1 : 2011 | WATER METERS - PART 1: GENERAL REQUIREMENTS |
| I.S. EN 14525:2005 | DUCTILE IRON WIDE TOLERANCE COUPLINGS AND FLANGE ADAPTORS FOR USE WITH PIPES OF DIFFERENT MATERIALS: DUCTILE IRON, GREY IRON, STEEL, PVC-U PE, FIBRE-CEMENT |
| UNI EN 736-3 : 2008 | VALVES - TERMINOLOGY - PART 3: DEFINITION OF TERMS |
| UNI EN 14382 : 2009 | SAFETY DEVICES FOR GAS PRESSURE REGULATING STATIONS AND INSTALLATIONS - GAS SAFETY SHUT-OFF DEVICES FOR INLET PRESSURES UP TO 100 BAR |
| UNI EN 545 : 2010 | DUCTILE IRON PIPES, FITTINGS, ACCESSORIES AND THEIR JOINTS FOR WATER PIPELINES - REQUIREMENTS AND TEST METHODS |
| UNI EN 14384 : 2006 | PILLAR FIRE HYDRANTS |
| UNI EN 14420-7 : 2013 | HOSE FITTINGS WITH CLAMP UNITS - PART 7: CAM LOCKING COUPLINGS |
| UNI EN 14420-3 : 2013 | HOSE FITTINGS WITH CLAMP UNITS - PART 3: CLAMP UNITS, BOLTED OR PINNED |
| UNI EN 14420-5 : 2013 | HOSE FITTINGS WITH CLAMP UNITS - PART 5: THREADED CONNECTIONS |
| UNI EN 14422 : 2013 | CLAMP TYPE COUPLING ASSEMBLIES FOR LIQUEFIED PETROLEUM GAS (LPG) TRANSFER HOSES |
| UNI EN 14420-1 : 2013 | HOSE FITTINGS WITH CLAMP UNITS - PART 1: REQUIREMENTS, TYPES OF FIXING AND CONNECTION, DESIGNATION AND TESTING |
| UNI EN 10242 : 2009 | Threaded pipe fittings in malleable cast iron |
| UNI EN 598 : 2009 | DUCTILE IRON PIPES, FITTINGS, ACCESSORIES AND THEIR JOINTS FOR SEWERAGE APPLICATIONS - REQUIREMENTS AND TEST METHODS |
| UNI EN 14420-4 : 2013 | HOSE FITTINGS WITH CLAMP UNITS - PART 4: FLANGE CONNECTIONS |
| UNI EN 13648-1 : 2009 | CRYOGENIC VESSELS - SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 1: SAFETY VALVES FOR CRYOGENIC SERVICE |
| DIN EN 13547:2013-12 | INDUSTRIAL VALVES - COPPER ALLOY BALL VALVES |
| 10/30234625 DC : 0 | BS EN 14420-1 - HOSE FITTINGS WITH CLAMP UNITS - PART 1: REQUIREMENTS, SURVEY, DESIGNATION AND TESTING |
| DIN EN 60534-1:2005-07 | Industrial-process control valves - Part 1: Control valve terminology and general considerations (IEC 60534-1:2005); German version EN 60534-1:2005 |
| 04/30118524 DC : DRAFT AUG 2004 | EN 1057 - COPPER AND COPPER ALLOYS - SEAMLESS, ROUND COPPER TUBES FOR WATER AND GAS IN SANITARY AND HEATING APPLICATIONS |
| 16/30335111 DC : 0 | BS EN 12178 - REFRIGERATING SYSTEMS AND HEAT PUMPS - LIQUID LEVEL INDICATING DEVICES - REQUIREMENTS, TESTING AND MARKING |
| PREN 14424 : DRAFT 2010 | HOSE FITTINGS WITH SCREWED FERRULES |
| 03/108196 DC : 0 | EN 10253-4 - BUTT WELDING PIPE FITTINGS - PART 4: WROUGHT AUSTENITIC & AUSTENITIC-FERRITIC (DUPLEX) STAINLESS STEELS WITH SPECIFIC INSPECTION REQUIREMENTS |
| 99/709737 DC : DRAFT JUNE 1999 | PREN 13648-1 - CRYOGENIC VESSELS - SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 1: SAFETY VALVES FOR CRYOGENIC SERVICE |
| BS EN 13547:2013 | Industrial valves. Copper alloy ball valves |
| 03/110849 DC : DRAFT JULY 2003 | BS EN 14652 - WATER CONDITIONING EQUIPMENT INSIDE BUILDINGS - MEMBRANE SEPARATION DEVICE - REQUIREMENTS FOR PERFORMANCE, SAFETY AND TESTING |
| I.S. EN 12308:1999 | INSTALLATIONS AND EQUIPMENT FOR LNG - SUITABILITY TESTING OF GASKETS DESIGNED FOR FLANGED JOINTS USED ON LNG PIPING |
| UNI EN 10253-3 : 2009 | BUTT-WELDING PIPE FITTINGS - PART 3: WROUGHT AUSTENITIC AND AUSTENITIC-FERRITIC (DUPLEX) STAINLESS STEELS WITHOUT SPECIFIC INSPECTION REQUIREMENTS |
| DIN EN 10253-3:2009-02 | Butt-welding pipe fittings - Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements; German version EN 10253-3:2008 |
| PREN 14420-7 : DRAFT 2010 | HOSE FITTINGS WITH CLAMP UNITS - PART 7: CAM LOCKING COUPLINGS |
| PREN 1514-2 : DRAFT 2013 | FLANGES AND THEIR JOINTS - GASKETS FOR PN-DESIGNATED FLANGES - PART 2: SPIRAL WOUND GASKETS FOR USE WITH STEEL FLANGES |
| 02/709241 DC : DRAFT JULY 2002 | PREN ISO 10497 - TESTING OF VALVES - FIRE TYPE-TESTING REQUIREMENTS |
| 10/30234634 DC : 0 | BS EN 14423 - CLAMP TYPE COUPLING ASSEMBLIES FOR USE WITH STEAM HOSES RATED FOR PRESSURES UP TO 18 BAR |
| 09/30204183 DC : 0 | BS EN 88-1 - PRESSURE REGULATORS AND ASSOCIATED SAFETY DEVICES FOR GAS APPLIANCES - PART 1: PRESSURE REGULATORS FOR INLET PRESSURES UP TO AND INCLUDING 500 MBAR |
| BS EN 10253-4:2008 | Butt-welding pipe fittings Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements |
| PREN 378-2 : DRAFT 2013 | REFRIGERATING SYSTEMS AND HEAT PUMPS - SAFETY AND ENVIRONMENTAL REQUIREMENTS - PART 2: DESIGN, CONSTRUCTION, TESTING, MARKING AND DOCUMENTATION |
| UNE-EN 16617:2015 | Pipework - Corrugated metal hose assemblies for combustible gas - Performance requirements, testing and marking |
| PREN 331 : DRAFT 2013 | MANUALLY OPERATED BALL VALVES AND CLOSED BOTTOM TAPER PLUG VALVES FOR GAS INSTALLATIONS FOR BUILDINGS |
| PREN 12288 : DRAFT 2009 | INDUSTRIAL VALVES - COPPER ALLOY GATE VALVES |
| DIN EN 12261:2007-07 | GAS METERS - TURBINE GAS METERS |
| EN 1092-1:2018 | Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges |
| PREN 14433 : DRAFT 2013 | TANKS FOR THE TRANSPORT OF DANGEROUS GOODS - TANK EQUIPMENT FOR THE TRANSPORT OF LIQUID CHEMICALS AND LIQUEFIED GASES - FOOT VALVES |
| EN 378-2:2016 | Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation |
| 16/30334290 DC : 0 | BS EN 14382 - GAS SAFETY SHUT-OFF DEVICES FOR INLET PRESSURE UP TO 100 BAR |
| 17/30351221 DC : 0 | BS EN 14276-2 - PRESSURE EQUIPMENT FOR REFRIGERATING SYSTEMS AND HEAT PUMPS - PART 2: PIPING - GENERAL REQUIREMENTS |
| UNE-EN 14423:2014 | Clamp type coupling assemblies for use with steam hoses rated for pressures up to 18 bar |
| DIN EN 1267:2012-04 | Industrial valves - Test of flow resistance using water as test fluid |
| I.S. EN 1092-1:2007 | FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES,FITTINGS AND ACCESSORIES, PN DESIGNATED - PART 1: STEEL FLANGES |
| DIN EN 10242:1995-03 | THREADED PIPE FITTING IN MALLEABLE CAST IRON |
| DIN EN 215:2007-11 | THERMOSTATIC RADIATOR VALVES - REQUIREMENTS AND TEST METHODS |
| DIN EN 1092-3:2004-10 | Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 3: Copper alloy flanges; German version EN 1092-3:2003 + AC:2004 |
| DIN EN 10241:2000-08 | STEEL THREADED PIPE FITTINGS |
| DIN EN 969:2009-07 | DUCTILE IRON PIPES, FITTINGS, ACCESSORIES AND THEIR JOINTS FOR GAS PIPELINES - REQUIREMENTS AND TEST METHODS |
| DIN EN 12560-7:2004-09 | Flanges and their joints - Gaskets for class-designated flanges - Part 7: Covered metal jacketed gaskets for use with steel flanges |
| DIN EN 88-2:2008-03 | Pressure regulators and associated safety devices for gas appliances - Part 2: Pressure regulators for inlet pressures above 500 mbar up to and including 5 bar |
| BS EN 1092-4:2002 | Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated Aluminium alloy flanges |
| BS EN 12178:2003 | Refrigerating systems and heat pumps. Liquid level indicating devices. Requirements, testing and marking |
| BS EN 12560-7:2004 | Flanges and their joints. Gaskets for class-designated flanges Covered metal jacketed gaskets for use with steel flanges |
| BS EN 12284:2003 | Refrigerating systems and heat pumps. Valves. Requirements, testing and marking |
| BS EN 12735-1:2016 | Copper and copper alloys. Seamless, round tubes for air conditioning and refrigeration Tubes for piping systems |
| BS EN 1759-3:2003 | Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, class designated Copper alloy flanges |
| BS EN 10253-1:1999 | Butt-welding pipe fittings Wrought carbon steel for general use and without specific inspection requirements |
| BS EN 14268:2005 | Irrigation techniques. Meters for irrigation water |
| BS EN 215:2004 | Thermostatic radiator valves. Requirements and test methods |
| BS EN 1514-2:2014 | Flanges and their joints. Gaskets for PN-designated flanges Spiral wound gaskets for use with steel flanges |
| BS EN 10311:2005 | Joints for the connection of steel tubes and fittings for the conveyance of water and other aqueous liquids |
| UNI EN 12735-1 : 2010 | COPPER AND COPPER ALLOYS - SEAMLESS, ROUND COPPER TUBES FOR AIR CONDITIONING AND REFRIGERATION - PART 1: TUBES FOR PIPING SYSTEMS |
| BS EN 14276-2 : 2007 | PRESSURE EQUIPMENT FOR REFRIGERATING SYSTEMS AND HEAT PUMPS - PART 2: PIPING - GENERAL REQUIREMENTS |
| UNE-EN 12735-2:2016 | Copper and copper alloys - Seamless, round tubes for air conditioning and refrigeration - Part 2: Tubes for equipment |
| BS EN 14420-2:2013 | Hose fittings with clamp units Hose side parts of hose tail |
| BS EN 1057 : 2006 | COPPER AND COPPER ALLOYS - SEAMLESS, ROUND COPPER TUBES FOR WATER AND GAS IN SANITARY AND HEATING APPLICATIONS |
| BS EN 331:2015 | Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings |
| BS EN 12560-1:2001 | Flanges and their joints. Gaskets for Class-designated flanges Non-metallic flat gaskets with or without inserts |
| BS EN 14420-1:2013 | Hose fittings with clamp units Requirements, types of fixing and connection, designation and testing |
| EN 12735-1:2016 | Copper and copper alloys - Seamless, round tubes for air conditioning and refrigeration - Part 1: Tubes for piping systems |
| BS EN 14652 : 2005 | WATER CONDITIONING EQUIPMENT INSIDE BUILDINGS - MEMBRANE SEPARATION DEVICES - REQUIREMENTS FOR PERFORMANCE, SAFETY AND TESTING |
| BS EN 12569:1999 | Industrial valves. Valves for chemical and petrochemical process industry. Requirements and tests |
| BS EN ISO 15761:2002 | Steel gate, globe and check valves for sizes DN 100 and smaller, for the petroleum and natural gas industries |
| I.S. EN 12735-1:2016 | COPPER AND COPPER ALLOYS - SEAMLESS, ROUND TUBES FOR AIR CONDITIONING AND REFRIGERATION - PART 1: TUBES FOR PIPING SYSTEMS |
| I.S. EN 14276-2:2007 | PRESSURE EQUIPMENT FOR REFRIGERATING SYSTEMS AND HEAT PUMPS - PART 2: PIPING - GENERAL REQUIREMENTS |
| BS EN 10241:2000 | Steel threaded pipe fittings |
| BS EN 1514-6:2003 | Flanges and their joints. Dimensions of gaskets for PN-designated flanges Covered serrated metal gaskets for use with steel flanges |
| EN 14276-1:2006+A1:2011 | Pressure equipment for refrigerating systems and heat pumps - Part 1: Vessels - General requirements |
| BS EN 14154-1 : 2005 | WATER METERS - PART 1: GENERAL REQUIREMENTS |
| UNE-EN 488:2012 | District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Steel valve assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene |
| BS EN 12560-2:2013 | Flanges and their joints. Dimensions of gaskets for Class-designated flanges Spiral wound gaskets for use with steel flanges |
| BS EN 378-2:2016 | Refrigerating systems and heat pumps. Safety and environmental requirements Design, construction, testing, marking and documentation |
| BS EN 12560-3:2001 | Flanges and their joints. Gaskets for Class-designated flanges Non-metallic PTFE envelope gaskets |
| BS EN 14276-1 : 2006 | PRESSURE EQUIPMENT FOR REFRIGERATING SYSTEMS AND HEAT PUMPS - PART 1: VESSELS - GENERAL REQUIREMENTS |
| BS EN 1759-1:2004 | Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, class-designated Steel flanges, NPS 1/2 to 24 |
| BS EN 488:2015 | District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Steel valve assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene |
| UNE-EN 14420-5:2014 | Hose fittings with clamp units - Part 5: Threaded connections |
| BS EN 14422:2013 | Clamp type coupling assemblies for liquefied petroleum gas (LPG) transfer hoses |
| EN 14276-2:2007+A1:2011 | Pressure equipment for refrigerating systems and heat pumps - Part 2: Piping - General requirements |
| BS EN 14420-4:2013 | Hose fittings with clamp units Flange connections |
| UNE-EN 14422:2014 | Clamp type coupling assemblies for liquefied petroleum gas (LPG) transfer hoses |
| UNE-EN 13348:2016 | Copper and copper alloys - Seamless, round copper tubes for medical gases or vacuum |
| BS EN 1092-3:2003 | Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated Copper alloy flanges |
| BS EN 14420-6:2013 | Hose fittings with clamp units TW tank truck couplings |
| UNE-EN 14420-3:2014 | Hose fittings with clamp units - Part 3: Clamp units, bolted or pinned |
| UNE-EN 12178:2017 | Refrigerating systems and heat pumps - Liquid level indicating devices - Requirements, testing and marking |
| EN 14422:2013 | Clamp type coupling assemblies for liquefied petroleum gas (LPG) transfer hoses |
| EN 14628:2005 | Ductile iron pipes, fittings and accessories - External polyethylene coating for pipes - Requirements and test methods |
| EN 14652:2005+A1:2007 | Water conditioning equipment inside buildings - Membrane separation devices - Requirements for performance, safety and testing |
| EN 14154-2:2005+A2:2011 | Water meters - Part 2: Installation and conditions of use |
| EN 1514-3:1997 | Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 3: Non-metallic PTFE envelope gaskets |
| EN 14420-2:2013 | Hose fittings with clamp units - Part 2: Hose side parts of hose tail |
| EN 14420-1:2013 | Hose fittings with clamp units - Part 1: Requirements, types of fixing and connection, designation and testing |
| 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 1626:2008 | Cryogenic vessels - Valves for cryogenic service |
| EN 13648-1:2008 | Cryogenic vessels - Safety devices for protection against excessive pressure - Part 1: Safety valves for cryogenic service |
| EN 13828:2003 | Building valves - Manually operated copper alloy and stainless steel ball valves for potable water supply in buildings -Tests and requirements |
| EN 969:2009 | Ductile iron pipes, fittings, accessories and their joints for gas pipelines - Requirements and test methods |
| EN 1514-7:2004 | Flanges and their joints - Gaskets for PN-designated flanges - Part 7: Covered metal jacketed gaskets for use with steel flanges |
| EN 1514-4:1997 | 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 |
| ONORM EN 877 : 2008 | CAST IRON PIPES AND FITTINGS, THEIR JOINTS AND ACCESSORIES FOR THE EVACUATION OF WATER FROM BUILDINGS - REQUIREMENTS, TEST METHODS AND QUALITY ASSURANCE |
| EN 14525:2004 | Ductile iron wide tolerance couplings and flange adaptors for use with pipes of different materials: ductile iron, Grey iron, Steel, PVC-U PE, Fibre-cement |
| 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 |
| EN 14420-5:2013 | Hose fittings with clamp units - Part 5: Threaded connections |
| EN 1092-4:2002 | Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 4: Aluminium alloy flanges |
| EN 14420-4:2013 | Hose fittings with clamp units - Part 4: Flange connections |
| EN 13648-2:2002 | Cryogenic vessels - Safety devices for protection against excessive pressure - Part 2: Bursting disc safety devices for cryogenic service |
| EN 14420-7:2013 | Hose fittings with clamp units - Part 7: Cam locking couplings |
| EN 14384:2005 | Pillar fire hydrants |
| EN 12842:2012 | Ductile iron fittings for PVC-U or PE piping systems - Requirements and test methods |
| EN 598:2007+A1:2009 | Ductile iron pipes, fittings, accessories and their joints for sewerage applications - Requirements and test methods |
| EN 334:2005+A1:2009 | Gas pressure regulators for inlet pressures up to 100 bar |
| EN 1514-8:2004 | Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 8: Polymeric O-Ring gaskets for grooved flanges |
| EN 215 : 2004 AMD 1 2006 | THERMOSTATIC RADIATOR VALVES - REQUIREMENTS AND TEST METHODS |
| EN 1759-4:2003 | Flanges and their joint - Circular flanges for pipes, valves, fittings and accessories, class designated - Part 4: Aluminium alloy flanges |
| EN 88-2:2007 | Pressure regulators and associated safety devices for gas appliances - Part 2: Pressure regulators for inlet pressures above 500 mbar up to and including 5 bar |
| EN 1514-6:2003 | Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 6: Covered serrated metal gaskets for use with steel flanges |
| EN 16617:2015 | Pipework - Corrugated metal hose assemblies for combustible gas - Performance requirements, testing and marking |
| EN 14420-8:2013+A1:2016 | Hose fittings with clamp units - Part 8: Symmetrical half coupling (Guillemin system) |
| EN 14420-6:2013 | Hose fittings with clamp units - Part 6: TW tank truck couplings |
| EN 14420-3:2013 | Hose fittings with clamp units - Part 3: Clamp units, bolted or pinned |
| EN 331:2015 | Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings |
| BS EN 12261:2002 | Gas meters. Turbine gas meters |
| PREN 14420-1 : DRAFT 2010 | HOSE FITTINGS WITH CLAMP UNITS - PART 1: REQUIREMENTS, SURVEY, DESIGNATION AND TESTING |
| 01/122758 DC : DRAFT JULY 2001 | ISO/DIS 16135 - INDUSTRIAL VALVES - BALL VALVES OF THERMOPLASTIC MATERIALS |
| 05/30131069 DC : DRAFT MAR 2005 | EN 598:2005 - DUCTILE IRON PIPES, FITTINGS, ACCESSORIES AND THEIR JOINTS FOR SEWERAGE APPLICATIONS - REQUIREMENTS AND TEST METHODS |
| PREN ISO 4126-5 : DRAFT 2009 | SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 5: CONTROLLED SAFETY PRESSURE-RELIEF SYSTEMS (CSPRS) |
| 16/30336440 DC : DRAFT MAR 2016 | BS EN 1092-1 - FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, PN DESIGNATED - PART 1: STEEL FLANGES |
| 01/709784 DC : DRAFT JUN 2001 | PREN ISO 16135 - INDUSTRIAL VALVES - BALL VALVES OF THERMOPLASTIC MATERIALS |
| PREN 14422 : DRAFT 2010 | CLAMP TYPE COUPLING ASSEMBLIES FOR LPG TRANSFER HOSES |
| 07/30158957 DC : 0 | BS EN 1626 - CRYOGENIC VESSELS - VALVES FOR CRYOGENIC SERVICE |
| 01/122754 DC : DRAFT JULY 2001 | ISO/DIS 16137 - INDUSTRIAL VALVES - CHECK VALVES OF THERMOPLASTIC MATERIALS |
| 10/30234604 DC : 0 | BS EN 14424 - HOSE FITTINGS WITH SCREWED FERRULES |
| UNE-EN 14276-2:2008 | Pressure equipment for refrigerating systems and heat pumps - Part 2: Piping - General requirements |
| 17/30356728 DC : 0 | BS EN 12261 - GAS METERS - TURBINE GAS METERS |
| I.S. EN ISO 4126-2:2003 | SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 2: BURSTING DISC SAFETY DEVICES |
| 09/30202711 DC : 0 | BS EN 1267 - INDUSTRIAL VALVES - TEST OF FLOW RESISTANCE USING WATER AS TEST FLUID |
| PREN 12261 : DRAFT 2017 | GAS METERS - TURBINE GAS METERS |
| 98/714280 DC : DRAFT OCT 98 | PREN ISO 4126-2 - SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 2: BURSTING DISC SAFETY DEVICES |
| UNE-EN 13136:2014 | Refrigerating systems and heat pumps - Pressure relief devices and their associated piping - Methods for calculation |
| PREN 14432 : DRAFT 2013 | TANKS FOR THE TRANSPORT OF DANGEROUS GOODS - TANK EQUIPMENT FOR THE TRANSPORT OF LIQUID CHEMICALS AND LIQUEFIED GASES - PRODUCT DISCHARGE AND AIR INLET VALVES |
| PREN 14276-1 : DRAFT 2017 | PRESSURE EQUIPMENT FOR REFRIGERATING SYSTEMS AND HEAT PUMPS - PART 1: VESSELS - GENERAL REQUIREMENTS |
| I.S. EN 10253-4:2008 | BUTT-WELDING PIPE FITTINGS - PART 4: WROUGHT AUSTENITIC AND AUSTENITIC-FERRITIC (DUPLEX) STAINLESS STEELS WITH SPECIFIC INSPECTION REQUIREMENTS |
| UNI EN ISO 4126-2 : 2003 | SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - BURSTING DISC SAFETY DEVICES |
| EN 13136:2013 | Refrigerating systems and heat pumps - Pressure relief devices and their associated piping - Methods for calculation |
| BS EN 14423:2013+A2:2019 | Clamp type coupling assemblies for use with steam hoses rated for pressures up to 18 bar |
| I.S. EN 10253-3:2008 | BUTT-WELDING PIPE FITTINGS - PART 3: WROUGHT AUSTENITIC AND AUSTENITIC-FERRITIC (DUPLEX) STAINLESS STEELS WITHOUT SPECIFIC INSPECTION REQUIREMENTS |
| DIN EN 1514-1:1997-08 | Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 1: Non-metallic flat gaskets with or without inserts |
| DIN EN 12560-2:2013-12 | Flanges and their joints - Dimensions of gaskets for Class-designated flanges - Part 2: Spiral wound gaskets for use with steel flanges |
| DIN EN 12560-6:2004-03 | Flanges and their joints - Gaskets for class-designated flanges - Part 6: Covered serrated metal gaskets for use with steel flanges |
| DIN EN 1759-3:2004-10 | Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, Class designated - Part 3: Copper alloy flanges; German version EN 1759-3:2003 + AC:2004 |
| BS EN 1759-4:2003 | Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, class designated Aluminium alloy flanges |
| UNE-EN 12735-1:2016 | Copper and copper alloys - Seamless, round tubes for air conditioning and refrigeration - Part 1: Tubes for piping systems |
| BS EN 736-3:2008 | Valves. Terminology Definition of terms |
| BS EN 14420-8 : 2013 | HOSE FITTINGS WITH CLAMP UNITS - PART 8: SYMMETRICAL HALF COUPLING (GUILLEMIN SYSTEM) |
| BS EN 12842:2012 | Ductile iron fittings for PVC-U or PE piping systems. Requirements and test methods |
| BS EN 14384:2005 | Pillar fire hydrants |
| BS EN 1267:2012 | Industrial valves. Test of flow resistance using water as test fluid |
| EN 13275:2000 | Cryogenic vessels - Pumps for cryogenic service |
| EN 12560-1:2001 | Flanges and their joints - Gaskets for Class-designated flanges - Part 1: Non-metallic flat gaskets with or without inserts |
| UNI EN 1514-2 : 2014 | FLANGES AND THEIR JOINTS - GASKETS FOR PN-DESIGNATED FLANGES - SPIRAL WOUND GASKETS FOR USE WITH STEEL FLANGES |
| EN 12284:2003 | Refrigerating systems and heat pumps - Valves - Requirements, testing and marking |
| DIN EN 14652:2007-09 | WATER CONDITIONING EQUIPMENT INSIDE BUILDINGS - MEMBRANE SEPARATION DEVICES - REQUIREMENTS FOR PERFORMANCE, SAFETY AND TESTING |
| EN 12308:1998 | Installations and equipment for LNG - Suitability testing of gaskets designed for flanged joints used on LNG piping |
| ONORM EN 10253-2 : 2008 | BUTT-WELDING PIPE FITTINGS - PART 2: NON ALLOY AND FERRITIC ALLOY STEELS WITH SPECIFIC INSPECTION REQUIREMENTS |
| EN 14154-1:2005+A2:2011 | Water meters - Part 1: General requirements |
| DIN EN 10311:2005-08 | Joints for the connection of steel tubes and fittings for the conveyance of water and other aqueous liquids; German version EN 10311:2005 |
| DIN EN 14525:2005-02 | Ductile iron wide tolerance couplings and flange adaptors for use with pipes of different materials: Ductile iron, grey iron, steel, PVC-U, PE, fibre-cement |
| EN 12560-6:2003 | Flanges and their joints - Gaskets for Class-designated flanges - Part 6: Covered serrated metal gaskets for use with steel flanges |
| EN 1074-1:2000 | Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 1: General requirements |
| EN 10241:2000 | Steel threaded pipe fittings |
| EN 12560-7:2004 | Flanges and their joints - Gaskets for Class-designated flanges - Part 7: Covered metal jacketed gaskets for use with steel flanges |
| EN 13371:2001 | Cryogenic vessels - Couplings for cryogenic service |
| DIN EN 545:2011-09 | Ductile iron pipes, fittings, accessories and their joints for water pipelines - Requirements and test methods |
| DIN EN 1514-8:2005-02 | Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 8: Polymeric O-Ring gaskets for grooved flanges |
| DIN EN 14154-1:2011-06 | WATER METERS - PART 1: GENERAL REQUIREMENTS |
| DIN EN 1514-7:2004-08 | Flanges and their joints - Gaskets for PN-designated flanges - Part 7: Covered metal jacketed gaskets for use with steel flanges |
| DIN EN 14628:2006-01 | DUCTILE IRON PIPES, FITTINGS AND ACCESSORIES - EXTERNAL POLYETHYLENE COATING FOR PIPES - REQUIREMENTS AND TEST METHODS |
| I.S. EN 12560-1:2001 | FLANGES AND THEIR JOINTS - GASKETS FOR CLASS-DESIGNATED FLANGES - PART 1: NON-METALLIC FLAT GASKETS WITH OR WITHOUT INSERTS |
| UNE-EN 14276-1:2007 | Pressure equipment for refrigerating systems and heat pumps - Part 1: Vessels - General requirements |
| UNE-EN 14420-8:2014 | Hose fittings with clamp units - Part 8: Symmetrical half coupling (Guillemin system) |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.