• EN 1092-2:1997

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 2: Cast iron flanges

    Available format(s): 

    Withdrawn date:  31-10-1997

    Language(s): 

    Published date:  23-04-1997

    Publisher:  Comite Europeen de Normalisation

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Definitions
      3.1 Flange
      3.2 DN (Nominal size)
      3.3 PN
      3.4 Ductile iron
      3.5 Grey iron
      3.6 Malleable iron
      3.7 Joint
    4 Designation and types
      4.1 Range of DN
      4.2 Range of PN designations
      4.3 Types of flanges
      4.4 Standard designation
      4.5 Information to be supplied by the purchaser
    5 General requirements
      5.1 Flange material
      5.2 Repairs by welding
      5.3 Bolting
      5.4 Gaskets
      5.5 Pressure/Temperature (p/T) ratings
      5.6 Dimensions
      5.7 Flange facings
      5.8 Spot facing or back facing
      5.9 Tolerances
      5.10 Marking and stamping
      5.11 Quality assurance
    Annex A (normative) Information to be supplied by the
            purchaser
    Annex B (informative) Notes to tables 6 to 12
    Annex C (informative) Bibliography

    Abstract - (Show below) - (Hide below)

    This part of EN 1092 specifies requirements for circular flanges made from ductile, grey and malleable cast iron for DN 10 to DN 4000 and PN 63. (See 4.1 and 4.2). This standard specifies the types of flanges and their facings, dimension and tolerances, bolt sizes, surface finish of jointing faces, marking testing, quality assurance and materials together with associated pressure/ temperature (p/T) ratings.

    General Product Information - (Show below) - (Hide below)

    Committee CEN/TC 74
    Document Type Standard
    Publisher Comite Europeen de Normalisation
    Status Withdrawn

    Standards Referenced By This Book - (Show below) - (Hide below)

    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
    BS EN 15420:2010 Gas-fired central heating boilers. Type C boilers of nominal heat input exceeding 70 kW, but not exceeding 1000 kW
    BS EN 16678:2015 Safety and control devices for gas burners and gas burning appliances. Automatic shut-off valves for operating pressure of above 500 kPa up to and including 6 300 kPa
    I.S. EN 12334:2001 INDUSTRIAL VALVES - CAST IRON CHECK VALVES
    PREN 1171 : DRAFT 2014 INDUSTRIAL VALVES - CAST IRON GATE VALVES
    10/30216705 DC : 0 BS EN 12953-2 - SHELL BOILERS - PART 2: MATERIALS FOR PRESSURE PARTS OF BOILERS AND ACCESSORIES
    PREN 598 : DRAFT 2017 COATED AND LINED DUCTILE IRON PIPES, FITTINGS AND THEIR JOINTS FOR SEWERAGE AND DRAINAGE APPLICATIONS - PRODUCTS CHARACTERISTICS AND TEST AND ASSESSMENT METHODS
    05/30134037 DC : 0 EN 12516-4 - INDUSTRIAL VALVES - SHELL DESIGN STRENGTH - PART 4: CALCULATION METHOD FOR VALVE SHELLS MANUFACTURED IN METALLIC MATERIALS OTHER THAN STEEL
    BS EN 593:2017 Industrial valves. Metallic butterfly valves for general purposes
    BS EN 60534-3-2:2001 Industrial-process control valves. Dimensions Face-to-face dimensions for rotary control valves except butterfly valves
    BS EN 16767:2016 Industrial valves. Steel and cast iron check valves
    DD CLC/TS 50537-3:2010 Railway applications. Mounted parts of the traction transformer and cooling system Water pump for traction converters
    14/30291756 DC : 0 BS EN 1434-2 - HEAT METERS - PART 2: CONSTRUCTIONAL REQUIREMENTS
    03/118276 DC : DRAFT NOV 2003 BS EN 14812-1 - WATER CONDITIONING EQUIPMENT INSIDE BUILDINGS - CHEMICAL DOSING SYSTEMS - REQUIREMENTS FOR PERFORMANCE AND SAFETY TESTING - PART 1: PRE-SET DOSING SYSTEMS
    16/30345752 DC : 0 BS EN 12516-4:2014/A1 - INDUSTRIAL VALVES - SHELL DESIGN STRENGTH - PART 4: CALCULATION METHOD FOR VALVE SHELLS MANUFACTURED IN METALLIC MATERIALS OTHER THAN STEEL
    01/716091 DC : DRAFT DEC 2001 ISO 4126-4.3 - SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 4: PILOT-OPERATED SAFETY VALVES
    UNE-EN 16767:2017 Industrial valves - Steel and cast iron check valves
    04/30121918 DC : DRAFT SEP 2004 EN 1591-3 - FLANGES AND THEIR JOINTS - DESIGN RULES FOR GASKETED CIRCULAR FLANGE CONNECTIONS - PART 3: CALCULATION METHOD FOR METAL TO METAL CONTACT TYPE FLANGED JOINT
    14/30301577 DC : 0 BS EN 16767 - INDUSTRIAL VALVES - STEEL AND CAST IRON CHECK VALVES
    I.S. EN 1515-4:2009 FLANGES AND THEIR JOINTS - BOLTING - PART 4: SELECTION OF BOLTING FOR EQUIPMENT SUBJECT TO THE PRESSURE EQUIPMENT DIRECTIVE 97/23/EC
    CEI CLC/TS 50537-2 : 2011 RAILWAY APPLICATIONS - MOUNTED PARTS OF THE TRACTION TRANSFORMER AND COOLING SYSTEM - PART 2: PUMP FOR INSULATING LIQUID FOR TRACTION TRANSFORMERS AND REACTORS
    S.R. CLC/TS 50537-2:2010 RAILWAY APPLICATIONS - MOUNTED PARTS OF THE TRACTION TRANSFORMER AND COOLING SYSTEM - PART 2: PUMP FOR INSULATING LIQUID FOR TRACTION TRANSFORMERS AND REACTORS
    I.S. EN 15420:2010 GAS-FIRED CENTRAL HEATING BOILERS - TYPE C BOILERS OF NOMINAL HEAT INPUT EXCEEDING 70 KW, BUT NOT EXCEEDING 1000 KW
    I.S. EN 15502-1:2012 GAS-FIRED HEATING BOILERS - PART 1: GENERAL REQUIREMENTS AND TESTS
    ISO 10631:2013 Metallic butterfly valves for general purposes
    UNE-EN 16678:2016 Safety and control devices for gas burners and gas burning appliances - Automatic shut-off valves for operating pressure of above 500 kPa up to and including 6 300 kPa
    16/30334287 DC : 0 BS EN 334 - GAS PRESSURE REGULATORS FOR INLET PRESSURE UP TO 100 BAR
    DIN EN 334:2016-05 (Draft) GAS PRESSURE REGULATORS FOR INLET PRESSURES UP TO 100 BAR
    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
    EN 676:2003+A2:2008/AC:2008 AUTOMATIC FORCED DRAUGHT BURNERS FOR GASEOUS FUELS
    DIN EN 1514-2 E : 2014 FLANGES AND THEIR JOINTS - GASKETS FOR PN-DESIGNATED FLANGES - PART 2: SPIRAL WOUND GASKETS FOR USE WITH STEEL FLANGES
    DIN EN 13434:2006-05 DEVICES TO PREVENT POLLUTION BY BACKFLOW OF POTABLE WATER - MECHANICAL DISCONNECTOR, HYDRAULIC ACTUATED - FAMILY G - TYPE B
    DIN EN 14268 E : 2005 IRRIGATION TECHNIQUES - METERS FOR IRRIGATION WATER
    DIN EN 1591-1:2014-04 FLANGES AND THEIR JOINTS - DESIGN RULES FOR GASKETED CIRCULAR FLANGE CONNECTIONS - PART 1: CALCULATION
    DIN EN 13433:2006-05 DEVICES TO PREVENT POLLUTION BY BACKFLOW OF POTABLE WATER - MECHANICAL DISCONNECTOR, DIRECT ACTUATED - FAMILY G - TYPE A
    EN 12309-2:2015/AC:2015 GAS-FIRED SORPTION APPLIANCES FOR HEATING AND/OR COOLING WITH A NET HEAT INPUT NOT EXCEEDING 70 KW - PART 2: SAFETY
    DIN EN 1514-8 E : 2005 FLANGES AND THEIR JOINTS - DIMENSIONS OF GASKETS FOR PN-DESIGNATED FLANGES - PART 8: POLYMERIC O-RING GASKETS FOR GROOVED FLANGES
    DIN EN 1514-6 E : 2004 FLANGES AND THEIR JOINTS - DIMENSIONS OF GASKETS FOR PN-DESIGNATED FLANGES - PART 6: COVERED SERRATED METAL GASKETS FOR USE WITH STEEL FLANGES
    DIN EN ISO 23553-1:2014-09 Safety and control devices for oil burners and oil-burning appliances - Particular requirements - Part 1: Automatic and semi-automatic valves (ISO 23553-1:2014); German version EN ISO 23553-1:2014
    DIN EN 14267 E : 2004 IRRIGATION TECHNIQUES - IRRIGATION HYDRANTS
    DIN EN 14382 E : 2009 SAFETY DEVICES FOR GAS PRESSURE REGULATING STATIONS AND INSTALLATIONS - GAS SAFETY SHUT-OFF DEVICES FOR INLET PRESSURES UP TO 100 BAR
    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
    BS EN 14267:2004 Irrigation techniques. Irrigation hydrants
    UNE-EN 331:2016 Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
    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 14812:2005 WATER CONDITIONING EQUIPMENT INSIDE BUILDINGS - CHEMICAL DOSING SYSTEMS - PRE-SET DOSING SYSTEMS - REQUIREMENTS FOR PERFORMANCE, SAFETY AND TESTING
    EN 12094-5:2006 Fixed firefighting systems - Components for gas extinguishing systems - Part 5: Requirements and test methods for high and low pressure selector valves and their actuators
    CEN/TS 1591-3:2007 Flanges and their joints - Design rules for gasketed circular flange connections - Part 3: Calculation method for metal to metal contact type flanged joint
    EN 13443-1:2002+A1:2007 Water conditioning equipment inside buildings - Mechanical filters - Part 1: Particle rating 80 µm to 150 µm - Requirements for performances, safety and testing
    EN 12729:2002 Devices to prevent pollution by backflow of potable water - Controllable backflow preventer with reduced pressure zone - Family B - Type A
    EN 13433:2006 Devices to prevent pollution by backflow of potable water - Mechanical disconnector, direct actuated - Family G, type A
    EN 1349:2009 Industrial process control valves
    EN 12953-3:2016 Shell boilers - Part 3: Design and calculation for pressure parts
    EN 12953-2:2012 Shell boilers - Part 2: Materials for pressure parts of boilers and accessories
    API RP 697:2023 Pump Repair
    BS EN 1349:2009 Industrial process control valves
    I.S. EN 12729:2002 DEVICES TO PREVENT POLLUTION BY BACKFLOW OF POTABLE WATER - CONTROLLABLE BACKFLOW PREVENTER WITH REDUCED PRESSURE ZONE - FAMILY B - TYPE A
    PREN 13774 : DRAFT 2011 VALVES FOR GAS DISTRIBUTION SYSTEMS WITH MAXIMUM OPERATING PRESSURE LESS THAN OR EQUAL TO 16 BAR - PERFORMANCE REQUIREMENTS
    09/30202316 DC : 0 BS EN 12514-4 - PARTS FOR SUPPLY SYSTEMS FOR CONSUMING UNITS WITH LIQUID FUELS - PART 4: SAFETY REQUIREMENTS AND TESTS - PIPINGS AND PARTS WITHIN PIPELINES
    13/30288560 DC : 0 BS EN 12953-3 - SHELL BOILERS - PART 3: DESIGN AND CALCULATION FOR PRESSURE PARTS
    13/30286091 DC : 0 BS EN 16678 - SAFETY AND CONTROL DEVICES FOR GAS BURNERS AND GAS BURNING APPLIANCES - AUTOMATIC SHUT-OFF VALVES FOR OPERATING PRESSURE OF ABOVE 500 KPA UP TO AND INCLUDING 6300 KPA
    DD CLC/TS 50537-2:2010 Railway applications. Mounted parts of the traction transformer and cooling system Pump for insulating liquid for traction transformers and reactors
    13/30279702 DC : 0 BS EN 331 - MANUALLY OPERATED BALL VALVES AND CLOSED BOTTOM TAPER PLUG VALVES FOR GAS INSTALLATIONS FOR BUILDINGS
    PREN 14382 : DRAFT 2016 GAS SAFETY SHUT-OFF DEVICES FOR INLET PRESSURE UP TO 100 BAR
    98/717199 DC : DRAFT NOV 1998 PREN 13397: INDUSTRIAL VALVES - DIAPHRAGM VALVES MADE OF METALLIC MATERIALS
    PREN 13789 : DRAFT 2009 INDUSTRIAL VALVES - CAST IRON GLOBE VALVES
    UNI EN 1515-4 : 2010 FLANGES AND THEIR JOINTS - BOLTING - PART 4: SELECTION OF BOLTING FOR EQUIPMENT SUBJECT TO THE PRESSURE EQUIPMENT DIRECTIVE 97/23/EC
    BS ISO 10631:2013 Metallic butterfly valves for general purposes
    10/30216654 DC : 0 BS EN 12842 - DUCTILE IRON FITTINGS FOR PVC-U OR PE PIPING SYSTEMS - REQUIREMENTS AND TEST METHODS
    CLC/TS 50537-2:2010 Railway applications - Mounted parts of the traction transformer and cooling system - Part 2: Pump for insulating liquid for traction transformers and reactors
    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
    BS ISO 19240:2017 Industrial valves. Lined metal quarter turn and check valves for chemical process and related industries
    CLC/TS 50537-3:2010 Railway applications - Mounted parts of the traction transformer and cooling system - Part 3: Water pump for traction converters
    04/30117386 DC : DRAFT JUL 2004 EN 334 - GAS PRESSURE REGULATORS FOR INLET PRESSURES UP TO 100 BAR
    PREN 12309-2 : DRAFT 2013 GAS-FIRED SORPTION APPLIANCES FOR HEATING AND/OR COOLING WITH A NET HEAT INPUT NOT EXCEEDING 70 KW - PART 2: SAFETY
    I.S. EN 593:2017 INDUSTRIAL VALVES - METALLIC BUTTERFLY VALVES FOR GENERAL PURPOSES
    IEC 60534-3-2:2001 Industrial-process control valves - Part 3-2: Dimensions - Face-to-face dimensions for rotary control valves except butterfly valves
    ONORM EN 334 : JUN 2009 GAS PRESSURE REGULATORS FOR INLET PRESSURES UP TO 100 BAR
    UNE-EN 15420:2012 Gas-fired central heating boilers - Type C boilers of nominal heat input exceeding 70 kW, but not exceeding 1 000 kW
    BS EN 1434-2 : 2015 HEAT METERS - PART 2: CONSTRUCTIONAL REQUIREMENTS
    UNI EN 12516-4 : 2014 INDUSTRIAL VALVES - SHELL DESIGN STRENGTH - PART 4: CALCULATION METHOD FOR VALVE SHELLS MANUFACTURED IN METALLIC MATERIALS OTHER THAN STEEL
    EN 1434-2:2015 Heat meters - Part 2: Constructional requirements
    DIN EN 12516-4:2015-01 INDUSTRIAL VALVES - SHELL DESIGN STRENGTH - PART 4: CALCULATION METHOD FOR VALVE SHELLS MANUFACTURED IN METALLIC MATERIALS OTHER THAN STEEL
    EN 12516-4:2014 Industrial valves - Shell design strength - Part 4: Calculation method for valve shells manufactured in metallic materials other than steel
    UNE-EN 1434-2:2016 Heat meters - Part 2: Constructional requirements
    EN 267:2009+A1:2011 Automatic forced draught burners for liquid fuels
    DIN EN 1171:2015-11 INDUSTRIAL VALVES - CAST IRON GATE VALVES
    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 267:2012-03 (Draft) AUTOMATIC FORCED DRAUGHT BURNERS FOR LIQUID FUELS
    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 267:2011-11 Automatic forced draught burners for liquid fuels
    DIN EN 14268:2005-11 IRRIGATION TECHNIQUES - METERS FOR IRRIGATION WATER
    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
    DIN EN 14339:2005-10 UNDERGROUND FIRE HYDRANTS
    BS EN 12334:2001 Industrial valves. Cast iron check valves
    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 14812 : 2005 WATER CONDITIONING EQUIPMENT INSIDE BUILDINGS - CHEMICAL DOSING SYSTEMS - PRE-SET DOSING SYSTEMS - REQUIREMENTS FOR PERFORMANCE, SAFETY AND TESTING
    BS EN 13443-1:2002 Water conditioning equipment inside buildings. Mechanical filters Particle rating 80 μm to 150 μm. Requirements for performances, safety and testing
    BS EN 1591-1:2013 Flanges and their joints. Design rules for gasketed circular flange connections Calculation
    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
    UNE-EN 593:2009 Industrial valves - Metallic butterfly valves
    BS EN 12729:2002 Devices to prevent pollution by backflow of potable water. Controllable backflow preventer with reduced pressure zone. Family B. Type A
    I.S. EN 12953-3:2016 SHELL BOILERS - PART 3: DESIGN AND CALCULATION FOR PRESSURE PARTS
    I.S. EN 1171:2015 INDUSTRIAL VALVES - CAST IRON GATE VALVES
    I.S. EN 13774:2013 VALVES FOR GAS DISTRIBUTION SYSTEMS WITH MAXIMUM OPERATING PRESSURE LESS THAN OR EQUAL TO 16 BAR - PERFORMANCE REQUIREMENTS
    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 969:2009 DUCTILE IRON PIPES, FITTINGS, ACCESSORIES AND THEIR JOINTS FOR GAS PIPELINES - REQUIREMENTS AND TEST METHODS
    I.S. EN 12842:2012 DUCTILE IRON FITTINGS FOR PVC-U OR PE PIPING SYSTEMS - REQUIREMENTS AND TEST METHODS
    DIN EN 12334:2004-10 INDUSTRIAL VALVES - CAST IRON CHECK VALVES
    DIN EN 12334:2001-04 INDUSTRIAL VALVES - CAST IRON CHECK VALVES
    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
    I.S. EN 1074-6:2009 VALVES FOR WATER SUPPLY - FITNESS FOR PURPOSE REQUIREMENTS AND APPROPRIATE VERIFICATION TESTS - PART 6: HYDRANTS
    I.S. EN 12953-2:2012 SHELL BOILERS - PART 2: MATERIALS FOR PRESSURE PARTS OF BOILERS AND ACCESSORIES
    I.S. EN 331:2015 MANUALLY OPERATED BALL VALVES AND CLOSED BOTTOM TAPER PLUG VALVES FOR GAS INSTALLATIONS FOR BUILDINGS
    I.S. EN 12094-5:2006 FIXED FIREFIGHTING SYSTEMS - COMPONENTS FOR GAS EXTINGUISHING SYSTEMS - PART 5: REQUIREMENTS AND TEST METHODS FOR HIGH AND LOW PRESSURE SELECTOR VALVES AND THEIR ACTUATORS
    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 545:2010 DUCTILE IRON PIPES, FITTINGS, ACCESSORIES AND THEIR JOINTS FOR WATER PIPELINES - REQUIREMENTS AND TEST METHODS
    I.S. EN 13434:2006 DEVICES TO PREVENT POLLUTION BY BACKFLOW OF POTABLE WATER - MECHANICAL DISCONNECTOR, HYDRAULIC ACTUATED - FAMILY G, TYPE B
    I.S. EN 1349:2009 INDUSTRIAL PROCESS CONTROL VALVES
    I.S. EN 13789:2010 INDUSTRIAL VALVES - CAST IRON GLOBE VALVES
    I.S. EN 12309-2:2015 GAS-FIRED SORPTION APPLIANCES FOR HEATING AND/OR COOLING WITH A NET HEAT INPUT NOT EXCEEDING 70 KW - PART 2: SAFETY
    I.S. EN 13443-1:2002 WATER CONDITIONING EQUIPMENT INSIDE BUILDINGS - MECHANICAL FILTERS - PART 1: PARTICLE RATING 80 MICROMETER TO 150 MICROMETER - REQUIREMENTS FOR PERFORMANCES, SAFETY AND TESTING
    I.S. EN 1591-1:2013 FLANGES AND THEIR JOINTS - DESIGN RULES FOR GASKETED CIRCULAR FLANGE CONNECTIONS - PART 1: CALCULATION
    I.S. EN 13433:2006 DEVICES TO PREVENT POLLUTION BY BACKFLOW OF POTABLE WATER - MECHANICAL DISCONNECTOR, DIRECT ACTUATED - FAMILY G, TYPE A
    UNI EN 1349 : 2010 INDUSTRIAL PROCESS CONTROL VALVES
    VDI 2200:2007-06 Tight flange connections - Selection, calculation, design and assembly of bolted flange connections
    VDI 2290:2012-06 Emission control - Sealing constants for flange connections
    CEI CLC/TS 50537-3 : 2011 RAILWAY APPLICATIONS - MOUNTED PARTS OF THE TRACTION TRANSFORMER AND COOLING SYSTEM - PART 3: WATER PUMP FOR TRACTION CONVERTERS
    04/30118763 DC : DRAFT AUG 2004 PREN 12335 - INDUSTRIAL VALVES - CAST IRON PLUG VALVES
    PREN 12842 : DRAFT 2010 DUCTILE IRON FITTINGS FOR PVC-U OR PE PIPING SYSTEMS - REQUIREMENTS AND TEST METHODS
    07/30171473 DC : 0 BS ISO 2531 - DUCTILE IRON PIPES, FITTINGS, ACCESSORIES AND THEIR JOINTS FOR WATER APPLICATIONS
    08/30187521 DC : 0 BS EN 593 - INDUSTRIAL VALVES - METALLIC BUTTERFLY VALVES
    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
    PREN 12516-4 : DRAFT 2011 INDUSTRIAL VALVES - SHELL DESIGN STRENGTH - PART 4: CALCULATION METHOD FOR VALVE SHELLS MANUFACTURED IN METALLIC MATERIALS OTHER THAN STEEL
    NF EN 15420 : 2012 GAS-FIRED CENTRAL HEATING BOILERS - TYPE C BOILERS OF NOMINAL HEAT INPUT EXCEEDING 70 KW, BUT NOT EXCEEDING 1000 KW
    10/30218092 DC : 0 BS EN 15502-1 - GAS-FIRED HEATING BOILERS - PART 1: GENERAL REQUIREMENTS AND TESTS
    06/30149018 DC : 0 EN 15502-1 - GAS-FIRED CENTRAL HEATING BOILERS - PART 1: GENERAL REQUIREMENTS AND TESTS
    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
    12/30257298 DC : 0 BS EN 676 - FORCED DRAUGHT BURNERS FOR GASEOUS FUELS
    12/30247796 DC : DRAFT JAN 2012 BS EN 1591-1 - FLANGES AND THEIR JOINTS - DESIGN RULES FOR GASKETED CIRCULAR FLANGE CONNECTIONS - PART 1: CALCULATIONS
    I.S. EN 12516-4:2014 INDUSTRIAL VALVES - SHELL DESIGN STRENGTH - PART 4: CALCULATION METHOD FOR VALVE SHELLS MANUFACTURED IN METALLIC MATERIALS OTHER THAN STEEL
    12/30258099 DC BS EN 267. Forced draught burners for liquid fuels
    DIN EN 15420 E : NOV 2011 GAS-FIRED CENTRAL HEATING BOILERS - TYPE C BOILERS OF NOMINAL HEAT INPUT EXCEEDING 70 KW, BUT NOT EXCEEDING 1000 KW
    DIN EN 16767 E : 2016 INDUSTRIAL VALVES - STEEL AND CAST IRON CHECK VALVES
    17/30347443 DC : DRAFT JUN 2017 BS EN 12480 - GAS METERS - ROTARY DISPLACEMENT GAS METERS
    11/30249111 DC : 0 BS EN 12516-4 - INDUSTRIAL VALVES - SHELL DESIGN STRENGTH - PART 4: CALCULATION METHOD FOR VALVE SHELLS MANUFACTURED IN METALLIC MATERIALS OTHER THAN STEEL
    EN 12953-4:2018 Shell boilers - Part 4: Workmanship and construction of pressure parts of the boiler
    I.S. EN 12953-4:2002 SHELL BOILERS - PART 4: WORKMANSHIP AND CONSTRUCTION OF PRESSURE PARTS OF THE BOILER
    UNI EN 334 : 2009 GAS PRESSURE REGULATORS FOR INLET PRESSURES UP TO 100 BAR
    UNI EN 15420 : 2011 GAS-FIRED CENTRAL HEATING BOILERS - TYPE C BOILERS OF NOMINAL HEAT INPUT EXCEEDING 70 KW, BUT NOT EXCEEDING 1000 KW
    I.S. EN 16767:2016 INDUSTRIAL VALVES - STEEL AND CAST IRON CHECK VALVES
    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 1434-2:2016-02 HEAT METERS - PART 2: CONSTRUCTIONAL REQUIREMENTS
    I.S. EN 1092-1:2007 FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES,FITTINGS AND ACCESSORIES, PN DESIGNATED - PART 1: STEEL FLANGES
    BS EN 267 : 2009 AUTOMATIC FORCED DRAUGHT BURNERS FOR LIQUID FUELS
    DIN EN 13443-1:2007-12 WATER CONDITIONING EQUIPMENT INSIDE BUILDINGS - MECHANICAL FILTERS - PART 1: PARTICLE RATING 80 [MU]M TO 150 [MU]M - REQUIREMENTS FOR PERFORMANCES, SAFETY AND TESTING
    DIN EN 1074-6:2009-03 VALVES FOR WATER SUPPLY - FITNESS FOR PURPOSE REQUIREMENTS AND APPROPRIATE VERIFICATION TESTS - PART 6: HYDRANTS
    DIN EN 14525 E : 2005 DUCTILE IRON WIDE TOLERANCE COULINGS AND FLANGE ADAPTORS FOR USE WITH PIPES OF DIFFERENT MATERIALS: DUCTILE IRON, GREY IRON, STEEL, PVC-U, PE, FIBRE-CEMENT
    DIN EN 331:2016-04 MANUALLY OPERATED BALL VALVES AND CLOSED BOTTOM TAPER PLUG VALVES FOR GAS INSTALLATIONS FOR BUILDINGS
    DIN EN 676:2012-03 (Draft) AUTOMATIC FORCED DRAUGHT BURNERS FOR GASEOUS FUELS
    DIN EN 14812 E : 2007 WATER CONDITIONING EQUIPMENT INSIDE BUILDINGS - CHEMICAL DOSING SYSTEMS - PRE-SET DOSING SYSTEMS - REQUIREMENTS FOR PERFORMANCE, SAFETY AND TESTING
    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 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
    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 ISO 23553-1:2014 Safety and control devices for oil burners and oil-burning appliances - Particular requirements - Part 1: Automatic and semi-automatic valves (ISO 23553-1:2014)
    DIN EN 12309-2 E : 2016 GAS-FIRED SORPTION APPLIANCES FOR HEATING AND/OR COOLING WITH A NET HEAT INPUT NOT EXCEEDING 70 KW - PART 2: SAFETY
    UNI EN 267 : 2011 AUTOMATIC FORCED DRAUGHT BURNERS FOR LIQUID FUELS
    ONORM EN 676 : 2008 AUTOMATIC FORCED DRAUGHT BURNERS FOR GASEOUS FUELS
    I.S. EN 12569:2000 INDUSTRIAL VALVES - VALVES FOR CHEMICAL AND PETROCHEMICAL PROCESS INDUSTRY - REQUIREMENTS AND TESTS
    EN 12569:1999/AC:2000 INDUSTRIAL VALVES - VALVES FOR CHEMICAL AND PETROCHEMICAL PROCESS INDUSTRY - REQUIREMENTS AND TESTS
    UNI EN 1591-1 : 2014 FLANGES AND THEIR JOINTS - DESIGN RULES FOR GASKETED CIRCULAR FLANGE CONNECTIONS - PART 1: CALCULATION
    UNI EN 14268 : 2006 IRRIGATION TECHNIQUES - METERS FOR IRRIGATION WATER
    UNI EN 13774 : 2013 VALVES FOR GAS DISTRIBUTION SYSTEMS WITH MAXIMUM OPERATING PRESSURE LESS THAN OR EQUAL TO 16 BAR - PERFORMANCE REQUIREMENTS
    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 12842 : 2012 DUCTILE IRON FITTINGS FOR PVC-U OR PE PIPING SYSTEMS - REQUIREMENTS AND TEST METHODS
    UNI EN 969 : 2009 DUCTILE IRON PIPES, FITTINGS, ACCESSORIES AND THEIR JOINTS FOR GAS PIPELINES - REQUIREMENTS AND TEST METHODS
    UNI EN 13789 : 2010 INDUSTRIAL VALVES - CAST IRON GLOBE VALVES
    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 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 ISO 23553-1 : 2014 SAFETY AND CONTROL DEVICES FOR OIL BURNERS AND OIL-BURNING APPLIANCES - PARTICULAR REQUIREMENTS - PART 1: AUTOMATIC AND SEMI-AUTOMATIC VALVES
    UNI EN 12953-2 : 2012 SHELL BOILERS - PART 2: MATERIALS FOR PRESSURE PARTS OF BOILERS AND ACCESSORIES
    UNI EN 14384 : 2006 PILLAR FIRE HYDRANTS
    BS EN 1171:2015 Industrial valves. Cast iron gate valves
    UNI EN 598 : 2009 DUCTILE IRON PIPES, FITTINGS, ACCESSORIES AND THEIR JOINTS FOR SEWERAGE APPLICATIONS - REQUIREMENTS AND TEST METHODS
    UNI EN 676 : 2008 AUTOMATIC FORCED DRAUGHT BURNERS FOR GASEOUS FUELS
    UNI EN 1074-6 : 2009 VALVES FOR WATER SUPPLY - FITNESS FOR PURPOSE REQUIREMENTS AND APPROPRIATE VERIFICATION TESTS - PART 6: HYDRANTS
    DIN EN 16678 E : 2016 SAFETY AND CONTROL DEVICES FOR GAS BURNERS AND GAS BURNING APPLIANCES - AUTOMATIC SHUTOFF VALVES FOR OPERATING PRESSURE OF ABOVE 500 KPA UP TO AND INCLUDING 6300 KPA
    DIN EN 15502-1:2015-10 Gas-fired heating boilers - Part 1: General requirements and tests (includes Amendment A1:2015)
    14/30282872 DC : 0 BS EN 1171 - INDUSTRIAL VALVES - CAST IRON GATE VALVES
    12/30236280 DC : 0 BS ISO 10631 - METALLIC BUTTERFLY VALVES FOR GENERAL PURPOSES
    ISO 2531:2009 Ductile iron pipes, fittings, accessories and their joints for water applications
    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
    PREN 1434-2 : DRAFT 2014 HEAT METERS - PART 2: CONSTRUCTIONAL REQUIREMENTS
    PREN 12953-3 : DRAFT 2013 SHELL BOILERS - PART 3: DESIGN AND CALCULATION FOR PRESSURE PARTS
    BS EN 1515-4:2009 Flanges and their joints. Bolting Selection of bolting for equipment subject to the Pressure Equipment Directive 97/23/EC
    PREN 593 : DRAFT 2016 INDUSTRIAL VALVES - METALLIC BUTTERFLY VALVES FOR GENERAL PURPOSES
    PREN 1514-2 : DRAFT 2013 FLANGES AND THEIR JOINTS - GASKETS FOR PN-DESIGNATED FLANGES - PART 2: SPIRAL WOUND GASKETS FOR USE WITH STEEL FLANGES
    PREN 676 : DRAFT 2012 FORCED DRAUGHT BURNERS FOR GASEOUS FUELS
    DD CEN/TS 1591-3:2007 Flanges and their joints. Design rules for gasketed circular flange connections Calculation method for metal to metal contact type flanged joint
    14/30268888 DC : 0 BS ISO 16631 - DUCTILE IRON PIPES, FITTINGS, ACCESSORIES AND THEIR JOINTS COMPATIBLE WITH PLASTIC (PVC AND PE) PIPING SYSTEMS FOR WATER APPLICATIONS
    BS EN 12516-4 : 2014 INDUSTRIAL VALVES - SHELL DESIGN STRENGTH - PART 4: CALCULATION METHOD FOR VALVE SHELLS MANUFACTURED IN METALLIC MATERIALS OTHER THAN STEEL
    08/30173031 DC : DRAFT JAN 2008 BS EN 1515-4 - FLANGES AND THEIR JOINTS - BOLTING - PART 4: SELECTION OF BOLTING FOR EQUIPMENT SUBJECT TO THE PRESSURE EQUIPMENT DIRECTIVE 97/23/EC
    08/30179182 DC : DRAFT MAY 2008 BS EN 1349 - INDUSTRIAL PROCESS CONTROL VALVES
    I.S. EN 334:2005 GAS PRESSURE REGULATORS FOR INLET PRESSURES UP TO 100 BAR
    DIN EN 1515-4 E : 2010 FLANGES AND THEIR JOINTS - BOLTING - PART 4: SELECTION OF BOLTING FOR EQUIPMENT SUBJECT TO THE PRESSURE EQUIPMENT DIRECTIVE 97/23/EC
    UNE-EN 12516-4:2016 Industrial valves - Shell design strength - Part 4: Calculation method for valve shells manufactured in metallic materials other than steel
    I.S. EN ISO 23553-1:2014 SAFETY AND CONTROL DEVICES FOR OIL BURNERS AND OIL-BURNING APPLIANCES - PARTICULAR REQUIREMENTS - PART 1: AUTOMATIC AND SEMI-AUTOMATIC VALVES (ISO 23553-1:2014)
    I.S. EN 60534-5:2004 INDUSTRIAL-PROCESS CONTROL VALVES - PART 5: MARKING
    PREN 331 : DRAFT 2013 MANUALLY OPERATED BALL VALVES AND CLOSED BOTTOM TAPER PLUG VALVES FOR GAS INSTALLATIONS FOR BUILDINGS
    ISO 19240:2017 Industrial valves — Lined metal quarter turn and check valves for chemical process and related industries
    EN 1092-1:2018 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges
    16/30334290 DC : 0 BS EN 14382 - GAS SAFETY SHUT-OFF DEVICES FOR INLET PRESSURE UP TO 100 BAR
    ISO 7186:2011 Ductile iron products for sewerage applications
    EN 12480:2018 Gas meters - Rotary displacement gas meters
    I.S. EN 12480:2018 GAS METERS - ROTARY DISPLACEMENT GAS METERS
    I.S. EN 267:2009 AUTOMATIC FORCED DRAUGHT BURNERS FOR LIQUID FUELS
    DIN EN 13789:2010-09 Industrial valves - Cast iron globe valves
    DIN EN 14652 E : 2007 WATER CONDITIONING EQUIPMENT INSIDE BUILDINGS - MEMBRANE SEPARATION DEVICES - REQUIREMENTS FOR PERFORMANCE, SAFETY AND TESTING
    DIN EN 969:2009-07 DUCTILE IRON PIPES, FITTINGS, ACCESSORIES AND THEIR JOINTS FOR GAS PIPELINES - REQUIREMENTS AND TEST METHODS
    DIN EN 13774:2013-05 VALVES FOR GAS DISTRIBUTION SYSTEMS WITH MAXIMUM OPERATING PRESSURE LESS THAN OR EQUAL TO 16 BAR - PERFORMANCE REQUIREMENTS
    BS EN 13789:2002 Industrial valves. Cast iron globe valves
    BS EN 13774:2013 Valves for gas distribution systems with maximum operating pressure less than or equal to 16 bar. Performance requirements
    BS EN 14268:2005 Irrigation techniques. Meters for irrigation water
    EN 16767:2016 Industrial valves - Steel and cast iron check valves
    BS EN 12094-5:2006 Fixed firefighting systems. Components for gas extinguishing systems Requirements and test methods for high and low pressure selector valves and their actuators
    BS EN 1514-2:2014 Flanges and their joints. Gaskets for PN-designated flanges Spiral wound gaskets for use with steel flanges
    BS EN ISO 23553-1:2014 Safety and control devices for oil burners and oil-burning appliances. Particular requirements Automatic and semi-automatic valves
    BS EN 13959:2004 Anti-pollution check valves. DN 6 to DN 250 inclusive Family E, type A, B, C, and D
    BS EN 13836:2006 Gas fired central heating boilers. Type B boilers of nominal heat input exceeding 300 kW, but not exceeding 1000 kW
    UNE-EN 1074-6:2011 Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 6: Hydrants
    BS EN 13397:2002 Industrial valves. Diaphragm valves made of metallic materials
    UNE-EN 12953-2:2013 Shell boilers - Part 2: Materials for pressure parts of boilers and accessories
    UNE-EN 13774:2013 Valves for gas distribution systems with maximum operating pressure less than or equal to 16 bar - Performance requirements
    UNE-EN 1515-4:2010 Flanges and their joints - Bolting - Part 4: Selection of bolting for equipment subject to the Pressure Equipment Directive 97/23/EC
    12/30250105 DC : 0 BS ISO 23553-1 - SAFETY AND CONTROL DEVICES FOR OIL BURNERS AND OIL BURNING APPLIANCES - PARTICULAR REQUIREMENTS - PART 1: AUTOMATIC AND SEMI-AUTOMATIC VALVES (ISO/DIS 23553-1:2012)
    ISO 23553-1:2014 Safety and control devices for oil burners and oil-burning appliances Particular requirements Part 1: Automatic and semi-automatic valves
    BS EN 331:2015 Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
    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
    DIN EN 12309-2:2016-04 GAS-FIRED SORPTION APPLIANCES FOR HEATING AND/OR COOLING WITH A NET HEAT INPUT NOT EXCEEDING 70 KW - PART 2: SAFETY
    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
    UNE-EN 1591-1:2014 Flanges and their joints - Design rules for gasketed circular flange connections - Part 1: Calculation
    BS EN 676 : 2003 AUTOMATIC FORCED DRAUGHT BURNERS FOR GASEOUS FUELS
    BS EN 12953-3:2016 Shell boilers Design and calculation for pressure parts
    UNE-EN 12309-2:2015 Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW - Part 2: Safety
    BS EN 1074-6:2008 Valves for water supply. Fitness for purpose requirements and appropriate verification tests Hydrants
    BS EN 13434:2006 Devices to prevent pollution by backflow of potable water. Mechanical disconnector, hydraulic actuated. Family G, type B
    DIN EN 676:2008-11 Automatic forced draught burners for gaseous fuels (includes Amendment A2:2008)
    EN 1515-4:2009 Flanges and their joints - Bolting - Part 4: Selection of bolting for equipment subject to the Pressure Equipment Directive 97/23/EC
    EN 14652:2005+A1:2007 Water conditioning equipment inside buildings - Membrane separation devices - Requirements for performance, safety and testing
    EN 14812:2005+A1:2007 Water conditioning equipment inside buildings - Chemical dosing systems - Pre-set dosing systems - Requirements for performance, safety and testing
    EN 13774:2013 Valves for gas distribution systems with maximum operating pressure less than or equal to 16 bar - Performance requirements
    EN 16678:2015 Safety and control devices for gas burners and gas burning appliances - Automatic shut-off valves for operating pressure of above 500 kPa up to and including 6 300 kPa
    EN 15420:2010 Gas-fired central heating boilers - Type C boilers of nominal heat input exceeding 70 kW, but not exceeding 1 000 kW
    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 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 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 14384:2005 Pillar fire hydrants
    EN 14339:2005 Underground fire hydrants
    EN 12842:2012 Ductile iron fittings for PVC-U or PE piping systems - Requirements and test methods
    EN 13836:2006 Gas fired central heating boilers - Type B boilers of nominal heat input exceeding 300 kW, but not exceeding 1 000 kW
    EN 12334:2001/A1:2004 INDUSTRIAL VALVES - CAST IRON CHECK VALVES
    EN 598:2007+A1:2009 Ductile iron pipes, fittings, accessories and their joints for sewerage applications - Requirements and test methods
    EN ISO 23553-1:2014 Safety and control devices for oil burners and oil-burning appliances - Particular requirements - Part 1: Automatic and semi-automatic valves (ISO 23553-1:2014)
    EN 13789:2010 Industrial valves - Cast iron globe valves
    EN 334:2005+A1:2009 Gas pressure regulators for inlet pressures up to 100 bar
    EN 1591-1:2013 Flanges and their joints - Design rules for gasketed circular flange connections - Part 1: Calculation
    EN 13959:2004 Anti-pollution check valves - DN 6 to DN 250 inclusive family E, type A, B, C and D
    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 14268:2005/AC:2007 IRRIGATION TECHNIQUES - METERS FOR IRRIGATION WATER
    EN 593:2017 Industrial valves - Metallic butterfly valves for general purposes
    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 14267:2004/AC:2008 IRRIGATION TECHNIQUES - IRRIGATION HYDRANTS
    EN 331:2015 Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
    09/30205886 DC : 0 BS EN 13789 - INDUSTRIAL VALVES - CAST IRON GLOBE VALVES
    09/30185187 DC : 0 BS ISO 7186 - DUCTILE IRON PRODUCTS FOR SEWAGE APPLICATIONS
    05/30131069 DC : DRAFT MAR 2005 EN 598:2005 - DUCTILE IRON PIPES, FITTINGS, ACCESSORIES AND THEIR JOINTS FOR SEWERAGE APPLICATIONS - REQUIREMENTS AND TEST METHODS
    DIN EN 15420:2011-03 GAS-FIRED CENTRAL HEATING BOILERS - TYPE C BOILERS OF NOMINAL HEAT INPUT EXCEEDING 70 KW, BUT NOT EXCEEDING 1 000 KW
    S.R. CEN/TS 1591-3:2007 FLANGES AND THEIR JOINTS - DESIGN RULES FOR GASKETED CIRCULAR FLANGE CONNECTIONS - PART 3: CALCULATION METHOD FOR METAL TO METAL CONTACT TYPE FLANGED JOINT
    11/30243885 DC : 0 BS EN 13774 - VALVES FOR GAS DISTRIBUTION SYSTEMS WITH MAXIMUM OPERATING PRESSURE LESS THAN OR EQUAL TO 16 BAR - PERFORMANCE 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
    DIN 14244:2003-07 Water suction connection for fire fighting - Under and above ground
    16/30339483 DC : 0 BS EN 593 - INDUSTRIAL VALVES - METALLIC BUTTERFLY VALVES FOR GENERAL PURPOSES
    16/30335252 DC : 0 BS ISO 19240 - INDUSTRIAL VALVES - LINED METAL QUARTER TURN AND CHECK VALVES FOR CHEMICAL PROCESS AND RELATED INDUSTRIES
    DIN EN 16767:2016-08 INDUSTRIAL VALVES - STEEL AND CAST IRON CHECK VALVES
    DIN EN 1515-4:2010-04 Flanges and their joints - Bolting - Part 4: Selection of bolting for equipment subject to the Pressure Equipment Directive 97/23/EC
    13/30278752 DC : 0 BS EN 12309-2 - GAS-FIRED SORPTION APPLIANCES FOR HEATING AND/OR COOLING WITH A NET HEAT INPUT NOT EXCEEDING 70 KW - PART 2: SAFETY
    BS ISO 2531:2009 Ductile iron pipes, fittings, accessories and their joints for water applications
    DIN EN 16678:2016-02 Safety and control devices for gas burners and gas burning appliances - Automatic shut-off valves for operating pressure of above 500 kPa up to and including 6 300 kPa
    PREN 15502-1 : DRAFT 2010 GAS-FIRED HEATING BOILERS - PART 1: GENERAL REQUIREMENTS AND TESTS
    BS EN 15502-1 : 2012 GAS-FIRED HEATING BOILERS - PART 1: GENERAL REQUIREMENTS AND TESTS
    I.S. EN 16678:2015 SAFETY AND CONTROL DEVICES FOR GAS BURNERS AND GAS BURNING APPLIANCES - AUTOMATIC SHUT-OFF VALVES FOR OPERATING PRESSURE OF ABOVE 500 KPA UP TO AND INCLUDING 6300 KPA
    I.S. EN 1434-2:2015 HEAT METERS - PART 2: CONSTRUCTIONAL REQUIREMENTS
    17/30362692 DC : 0 BS EN 598 - COATED AND LINED DUCTILE IRON PIPES, FITTINGS AND THEIR JOINTS FOR SEWERAGE AND DRAINAGE APPLICATIONS - PRODUCTS CHARACTERISTICS AND TEST AND ASSESSMENT METHODS
    S.R. CLC/TS 50537-3:2010 RAILWAY APPLICATIONS - MOUNTED PARTS OF THE TRACTION TRANSFORMER AND COOLING SYSTEM - PART 3: WATER PUMP FOR TRACTION CONVERTERS
    I.S. EN 676:2003 AUTOMATIC FORCED DRAUGHT BURNERS FOR GASEOUS FUELS
    DIN EN 1514-1:1997-08 FLANGES AND THEIR JOINTS - DIMENSIONS OF GASKET FOR PN-DESIGNATED FLANGES - PART 1: NON-METALLIC FLAT GASKETS WITH OR WITHOUT INSERTS
    DIN EN 13397:2002-03 INDUSTRIAL VALVES - DIAPHRAGM VALVES MADE OF METALLIC MATERIALS
    DIN EN 1514-7 E : 2004 FLANGES AND THEIR JOINTS - GASKETS FOR PN-DESIGNATED FLANGES - PART 7: COVERED METAL JACKETED GASKETS FOR USE WITH STEEL FLANGES
    DIN EN 12953-2:2012-05 Shell boilers - Part 2: Materials for pressure parts of boilers and accessories
    DIN EN 14339 E : 2005 UNDERGROUND FIRE HYDRANTS
    DIN EN 14384 E : 2005 PILLAR FIRE HYDRANTS
    UNE-EN 1171:2016 Industrial valves - Cast iron gate valves
    BS EN 12953-2:2012 Shell boilers Materials for pressure parts of boilers and accessories
    BS EN 14339:2005 Underground fire hydrants
    BS EN 12309-2:2015 Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW Safety
    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 13433:2007 Devices to prevent pollution by backflow of potable water. Mechanical disconnector, direct actuated. Family G, type A
    DIN EN 14812:2007-09 WATER CONDITIONING EQUIPMENT INSIDE BUILDINGS - CHEMICAL DOSING SYSTEMS - PRE-SET DOSING SYSTEMS - REQUIREMENTS FOR PERFORMANCE, SAFETY AND TESTING
    EN 13397:2001 Industrial valves - Diaphragm valves made of metallic materials
    EN 1074-6:2008 Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 6: Hydrants
    UNI EN 1514-2 : 2014 FLANGES AND THEIR JOINTS - GASKETS FOR PN-DESIGNATED FLANGES - SPIRAL WOUND GASKETS FOR USE WITH STEEL FLANGES
    EN 1171:2015 Industrial valves - Cast iron gate valves
    EN 13434:2006 Devices to prevent pollution by backflow of potable water - Mechanical disconnector, hydraulic actuated - Family G, type B
    DIN EN 14652:2007-09 WATER CONDITIONING EQUIPMENT INSIDE BUILDINGS - MEMBRANE SEPARATION DEVICES - REQUIREMENTS FOR PERFORMANCE, SAFETY AND TESTING
    DIN EN 13959:2005-01 Anti-pollution check valves - DN 6 to DN 250 inclusive - Family E, type A, B, C and D; German version EN 13959:2004
    EN 15502-1:2012+A1:2015 Gas-fired heating boilers - Part 1: General requirements and tests
    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 1074-1:2000 Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 1: General requirements
    DIN EN 15420:2011-11 GAS-FIRED CENTRAL HEATING BOILERS - TYPE C BOILERS OF NOMINAL HEAT INPUT EXCEEDING 70 KW, BUT NOT EXCEEDING 1000 KW
    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 13836:2007-06 Gas-fired central heating boilers - Type B boilers of nominal heat input exceeding 300 kW, but not exceeding 1000 kW
    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
    EN 60534-3-2:2001 Industrial-process control valves - Part 3-2: Dimensions - Face-to-face dimensions for rotary control valves except butterfly valves
    UNE-EN 15502-1:2013 Gas-fired heating boilers - Part 1: General requirements and tests

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 7005-2:1988 Metallic flanges — Part 2: Cast iron flanges
    ISO 5922:2005 Malleable cast iron
    EN ISO 9002:1994/AC:1997 QUALITY SYSTEMS - SPECIFICATION FOR PRODUCTION AND INSTALLATION
    ISO 6708:1995 Pipework components Definition and selection of DN (nominal size)
    ISO 887:2000 Plain washers for metric bolts, screws and nuts for general purposes General plan
    PREN 1092-1 : DRAFT 2016 FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, PN DESIGNATED - PART 1: STEEL FLANGES
    ISO 9002:1994 Quality systems — Model for quality assurance in production, installation and servicing
    ISO 2632-3:1979 Roughness comparison specimens Part 3: Cast surfaces
    ISO 13:1978 Grey iron pipes, special castings and grey iron parts for pressure main lines
    EN ISO 6708:1995 Pipework components - Definition and selection of DN (nominal size) (ISO 6708:1995)
    ISO 468:1982 Surface roughness — Parameters, their values and general rules for specifying requirements
    EN 1333:2006 Flanges and their joints - Pipework components - Definition and selection of PN
    ISO 185:2005 Grey cast irons Classification
    EN 545:2010 Ductile iron pipes, fittings, accessories and their joints for water pipelines - Requirements and test methods
    ISO 2531:2009 Ductile iron pipes, fittings, accessories and their joints for water applications
    ISO 5458:1998 Geometrical Product Specifications (GPS) Geometrical tolerancing Positional tolerancing
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