• EN 1254-4:1998/AC:1999

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 4: FITTINGS COMBINING OTHER END CONNECTIONS WITH CAPILLARY OR COMPRESSION ENDS

    Available format(s): 

    Superseded date:  05-06-2021

    Language(s): 

    Published date:  12-01-2013

    Publisher:  Comite Europeen de Normalisation

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

    Foreword
    1 Scope
    2 Normative references
    3 Definitions
      3.1 plumbing fitting
      3.2 capillary end
      3.3 compression end
      3.4 screwed union connector
      3.5 nominal diameter
    4 Requirements
      4.1 Materials and tests
      4.2 Screwed union connections
      4.3 Thread dimensions
      4.4 Tightening systems
      4.5 Minimum wall thickness
      4.6 Minimum bore for unequal-ended fittings
      4.7 Minimum outside diameter of sealing face
      4.8 Flange-type fittings
    Annex A (informative) Bibliography

    Abstract - (Show below) - (Hide below)

    Defines assembly dimensions, materials, tolerances and test requirements for fittings of copper and copper alloys with/without coating or plating. Maximum permissible pressures and temperatures are also established. Defines connection end dimensions for fittings combining capillary and/or compression ends with other types of connecting ends.

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

    Committee TC 133
    Document Type Standard
    Publisher Comite Europeen de Normalisation
    Status Superseded
    Superseded By

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

    DIN EN 13547:2013-12 INDUSTRIAL VALVES - COPPER ALLOY BALL VALVES
    EN ISO 7396-1:2016 MEDICAL GAS PIPELINE SYSTEMS - PART 1: PIPELINE SYSTEMS FOR COMPRESSED MEDICAL GASES AND VACUUM (ISO 7396-1:2016)
    BS EN 15092:2008 (published 2008-09) Building valves. Inline hot water supply tempering valves. Tests and 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
    07/30163615 DC : 0 BS EN 1254-1 - COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 1: FITTINGS WITH ENDS FOR CAPILLARY SOLDERING OR CAPILLARY BRAZING TO COPPER TUBES
    DIN EN 15092 E : 2008 BUILDING VALVES - INLINE HOT WATER SUPPLY TEMPERING VALVES - TESTS AND REQUIREMENTS
    00/107336 DC : DRAFT OCT 2000 PREN 13959 - ANTI-POLLUTION CHECK VALVES DN 6 TO DN 250 INCLUSIVE - FAMILY E, TYPE A, B, C AND D
    DIN EN 1254-8:2012-12 Copper and copper alloys - Plumbing fittings - Part 8: Fittings with press ends for use with plastics and multilayer pipes
    UNE-EN 1254-8:2013 Copper and copper alloys - Plumbing fittings - Part 8: Fittings with press ends for use with plastics and multilayer pipes
    11/30213587 DC : 0 BS EN 1254-6 - COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 6: FITTINGS WITH PUSH-FIT ENDS
    BS EN 1254-6:2012 (published 2012-10) Copper and copper alloys. Plumbing fittings Fittings with push-fit ends
    07/30163621 DC : 0 BS EN 1254-5 - COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 5: FITTINGS WITH SHORT ENDS FOR CAPILLARY BRAZING TO COPPER TUBES
    DIN EN 1254-6:2012-12 Copper and copper alloys - Plumbing fittings - Part 6: Fittings with push-fit ends
    12/30259203 DC : 0 BS EN 12007-5 - GAS INFRASTRUCTURE - PIPELINES FOR MAXIMUM OPERATING PRESSURE UP TO AND INCLUDING 16 BAR - PART 5: SERVICE LINES, SPECIFIC FUNCTIONAL REQUIREMENTS
    BS EN 13547 : 2013 INDUSTRIAL VALVES - COPPER ALLOY BALL VALVES
    07/19990369 DC : 0 BS EN 806-4 - SPECIFICATIONS FOR INSTALLATIONS INSIDE BUILDINGS CONVEYING WATER FOR HUMAN CONSUMPTION - PART 4 - INSTALLATION
    13/30255929 DC : 0 BS EN ISO 7396-1 - MEDICAL GAS PIPELINE SYSTEMS - PART 1: PIPELINE SYSTEMS FOR COMPRESSED MEDICAL GASES AND VACUUM
    I.S. EN 15092:2008 BUILDING VALVES - INLINE HOT WATER SUPPLY TEMPERING VALVES - TESTS AND REQUIREMENTS
    09/30201899 DC : 0 BS EN 1949 - SPECIFICATION FOR THE INSTALLATION OF LPG SYSTEMS FOR HABITATION PURPOSES IN LEISURE ACCOMMODATION VEHICLES AND ACCOMMODATION PURPOSES IN OTHER VEHICLES
    04/30095586 DC : 0 EN 1254-6 - COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 6: FITTING WITH PUSH-FIT ENDS
    09/30198696 DC : 0 BS EN 13618 - FLEXIBLE HOSE ASSEMBLIES IN DRINKING WATER INSTALLATIONS - FUNCTIONAL REQUIREMENTS AND TEST METHODS
    UNI EN 806-4 : 2010 SPECIFICATIONS FOR INSTALLATIONS INSIDE BUILDINGS CONVEYING WATER FOR HUMAN CONSUMPTION - PART 4: INSTALLATION
    07/30163618 DC : 0 BS EN 1254-2 - COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 2: FITTINGS WITH COMPRESSION ENDS FOR USE WITH COPPER TUBES
    11/30213590 DC : 0 BS EN 1254-8 - COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 8: FITTINGS WITH PRESS ENDS FOR USE WITH PLASTICS AND MULTILAYER PIPES
    BS EN 13618:2016 Flexible hose assemblies in drinking water installations. Functional requirements and test methods
    05/30128654 DC : DRAFT FEB 2005 EN 1775 - GAS SUPPLY - GAS PIPEWORK FOR BUILDINGS - MAXIMUM OPERATING PRESSURE LESS THAN OR EQUAL TO 5 BAR - FUNCTIONAL RECOMMENDATIONS
    EN 1254-6 : 2012 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 6: FITTINGS WITH PUSH-FIT ENDS
    EN 1254-1 : 1998 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 1: FITTINGS WITH ENDS FOR CAPILLARY SOLDERING OR CAPILLARY BRAZING TO COPPER TUBES
    UNI EN 15092 : 2008 BUILDING VALVES - INLINE HOT WATER SUPPLY TEMPERING VALVES - TESTS AND REQUIREMENTS
    UNI EN 1254-6 : 2012 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 6: FITTINGS WITH PUSH-FIT ENDS
    EN 1254-5 : 1998 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 5: FITTINGS WITH SHORT ENDS FOR CAPILLARY BRAZING TO COPPER TUBES
    EN 1254-8 : 2012 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 8: FITTINGS WITH PRESS ENDS FOR USE WITH PLASTICS AND MULTILAYER PIPES
    EN 1254-2 : 1998 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 2: FITTINGS WITH COMPRESSION ENDS FOR USE WITH COPPER TUBES
    BS EN 806-4:2010 Specifications for installations inside buildings conveying water for human consumption Installation
    12/30258099 DC : DRAFT MAR 2012 BS EN 267 - FORCED DRAUGHT BURNERS FOR LIQUID FUELS
    EN 1254-3 : 1998 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 3: FITTINGS WITH COMPRESSION ENDS FOR USE WITH PLASTICS PIPES
    BS EN 1254-8:2012 (published 2012-10) Copper and copper alloys. Plumbing fittings Fittings with press ends for use with plastics and multilayer pipes
    DIN CEN/TS 13547:2007-02 INDUSTRIAL VALVES - COPPER ALLOY BALL VALVES
    DIN EN 806-4:2010-06 Specifications for installations inside buildings conveying water for human consumption - Part 4: Installation
    04/30126822 DC : 0 EN 15092 - BUILDING VALVES - INLINE HOT WATER SUPPLY TEMPERING VALVES - TESTS AND REQUIREMENTS
    03/118682 DC : DRAFT JAN 2004 PREN 14868 - PROTECTION OF METALLIC MATERIALS AGAINST CORROSION - CORROSION LIKELIHOOD IN WATER RECIRCULATION SYSTEMS
    UNI EN 1254-8 : 2012 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 8: FITTINGS WITH PRESS ENDS FOR USE WITH PLASTICS AND MULTILAYER PIPES
    07/30144895 DC : 0 BS EN 723 - COPPER AND COPPER ALLOYS - COMBUSTION METHOD FOR DETERMINATION OF CARBON CONTENT ON THE INNER SURFACE OF COPPER TUBES OR FITTINGS
    04/30095590 DC : 0 EN 1254-7 - COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 7: FITTINGS WITH PRESS ENDS FOR METALLIC TUBES
    04/30114458 DC : 0 EN 14905 - COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - RECOMMENDED PRACTICE FOR THE INSTALLATION OF COPPER AND COPPER ALLOY PLUMBING FITTINGS
    I.S. EN 1254-2:1998 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 2: FITTINGS WITH COMPRESSION ENDS FOR USE WITH COPPER TUBES
    I.S. EN 1254-5:1998 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 5: FITTINGS WITH SHORT ENDS FOR CAPILLARY BRAZING TO COPPER TUBES
    PREN 1949 : DRAFT 2009 SPECIFICATION FOR THE INSTALLATION OF LPG SYSTEMS FOR HABITATION PURPOSES IN LEISURE ACCOMMODATION VEHICLES AND ACCOMMODATION PURPOSES IN OTHER VEHICLES
    UNE-EN 13547:2014 Industrial valves - Copper alloy ball valves
    UNE-EN 1254-6:2013 Copper and copper alloys - Plumbing fittings - Part 6: Fittings with push-fit ends
    I.S. EN ISO 7396-1:2016 MEDICAL GAS PIPELINE SYSTEMS - PART 1: PIPELINE SYSTEMS FOR COMPRESSED MEDICAL GASES AND VACUUM (ISO 7396-1:2016)
    I.S. EN 1254-1:1998 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 1: FITTINGS WITH ENDS FOR CAPILLARY SOLDERING OR CAPILLARY BRAZING TO COPPER TUBES
    DD CEN/TS 13547 : 2006 INDUSTRIAL VALVES - COPPER ALLOY BALL VALVES
    I.S. EN 1254-3:1998 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 3: FITTINGS WITH COMPRESSION ENDS FOR USE WITH PLASTICS PIPES
    07/30168416 DC : 0 BS EN 1264-4 - WATER BASED SURFACE EMBEDDED HEATING AND COOLING SYSTEMS - PART 4: INSTALLATION
    UNI EN 806-2 : 2008 SPECIFICATION FOR INSTALLATIONS INSIDE BUILDINGS CONVEYING WATER FOR HUMAN CONSUMPTION - PART 2: DESIGN
    PREN 1254-6 : DRAFT 2011 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 6: FITTING WITH PUSH-FIT ENDS
    UNE-EN 13618:2017 Flexible hose assemblies in drinking water installations - Functional requirements and test methods
    PREN 13618 : DRAFT 2009 FLEXIBLE HOSE ASSEMBLIES IN DRINKING WATER INSTALLATIONS - FUNCTIONAL REQUIREMENTS AND TEST METHODS
    BS EN ISO 7396-1:2016 (published 2016-03) Medical gas pipeline systems Pipeline systems for compressed medical gases and vacuum
    I.S. EN 1254-8:2012 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 8: FITTINGS WITH PRESS ENDS FOR USE WITH PLASTICS AND MULTILAYER PIPES
    I.S. EN 1254-6:2012 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 6: FITTINGS WITH PUSH-FIT ENDS
    I.S. EN 13547:2013 INDUSTRIAL VALVES - COPPER ALLOY BALL VALVES
    DIN EN ISO 7396-1:2016-09 MEDICAL GAS PIPELINE SYSTEMS - PART 1: PIPELINE SYSTEMS FOR COMPRESSED MEDICAL GASES AND VACUUM (ISO 7396-1:2016)
    ISO 7396-1:2016 Medical gas pipeline systems Part 1: Pipeline systems for compressed medical gases and vacuum
    NF EN 806-4 : 2010 SPECIFICATIONS FOR INSTALLATIONS INSIDE BUILDINGS CONVEYING WATER FOR HUMAN CONSUMPTION - PART 4: INSTALLATION
    UNI EN 13547 : 2013 INDUSTRIAL VALVES - COPPER ALLOY BALL VALVES
    UNE-EN ISO 7396-1:2016 Medical gas pipeline systems - Part 1: Pipeline systems for compressed medical gases and vacuum (ISO 7396-1:2016)
    DIN EN 15092:2008-09 BUILDING VALVES - INLINE HOT WATER SUPPLY TEMPERING VALVES - TESTS AND REQUIREMENTS
    I.S. EN 806-4:2010 SPECIFICATIONS FOR INSTALLATIONS INSIDE BUILDINGS CONVEYING WATER FOR HUMAN CONSUMPTION - PART 4: INSTALLATION
    I.S. EN 13618:2016 FLEXIBLE HOSE ASSEMBLIES IN DRINKING WATER INSTALLATIONS - FUNCTIONAL REQUIREMENTS AND TEST METHODS
    I.S. CEN TS 13547:2006 INDUSTRIAL VALVES - COPPER ALLOY BALL VALVES
    EN 267:2009+A1:2011 AUTOMATIC FORCED DRAUGHT BURNERS FOR LIQUID FUELS
    BS EN 1949 : 2011 SPECIFICATION FOR THE INSTALLATION OF LPG SYSTEMS FOR HABITATION PURPOSES IN LEISURE ACCOMMODATION VEHICLES AND ACCOMMODATION PURPOSES IN OTHER VEHICLES
    BS EN 1949:2011+A1:2013 SPECIFICATION FOR THE INSTALLATION OF LPG SYSTEMS FOR HABITATION PURPOSES IN LEISURE ACCOMMODATION VEHICLES AND ACCOMMODATION PURPOSES IN OTHER VEHICLES
    I.S. EN 267:2009 AUTOMATIC FORCED DRAUGHT BURNERS FOR LIQUID FUELS
    BS EN 267 : 2009 AUTOMATIC FORCED DRAUGHT BURNERS FOR LIQUID FUELS
    DIN EN 1949:2013-05 Specification for the installation of LPG systems for habitation purposes in leisure accommodation vehicles and accommodation purposes in other vehicles (includes Amendment A1:2013)
    DIN EN 1254-1:1998-03 Copper and copper alloy plumbing fittings - Part 1: Fittings with ends for capillary soldering or capillary brazing to copper tubes
    DIN EN 14367 E : 2005 NON CONTROLLABLE BACKFLOW PREVENTER WITH DIFFERENT PRESSURE ZONES - FAMILY C, TYPE A
    DIN EN 806-2:2005-06 Specification for installations inside buildings conveying water for human consumption - Part 2: Design
    DIN EN 267:2011-11 Automatic forced draught burners for liquid fuels
    DIN EN 14868:2005-11 PROTECTION OF METALLIC MATERIALS AGAINST CORROSION - GUIDANCE ON THE ASSESSMENT OF CORROSION LIKELIHOOD IN CLOSED WATER CIRCULATION SYSTEMS
    DIN EN 14868 E : 2005 PROTECTION OF METALLIC MATERIALS AGAINST CORROSION - GUIDANCE ON THE ASSESSMENT OF CORROSION LIKELIHOOD IN CLOSED WATER CIRCULATION SYSTEMS
    BS EN 1254-2:1998 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - FITTINGS WITH COMPRESSION ENDS FOR USE WITH COPPER TUBES
    BS EN 1775 : 2007 GAS SUPPLY - GAS PIPEWORK FOR BUILDINGS - MAXIMUM OPERATING PRESSURE LESS THAN OR EQUAL TO 5 BAR - FUNCTIONAL RECOMMENDATIONS
    BS EN 14868 : 2005 PROTECTION OF METALLIC MATERIALS AGAINST CORROSION - GUIDANCE ON THE ASSESSMENT OF CORROSION LIKELIHOOD IN CLOSED WATER CIRCULATION SYSTEMS
    BS EN 1254-5:1998 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - FITTINGS WITH SHORT ENDS FOR CAPILLARY BRAZING TO COPPER TUBES
    UNE-EN 1949:2011 Specification for the installation of LPG systems for habitation purposes in leisure accommodation vehicles and accommodation purposes in other vehicles
    BS EN 1254-3:1998 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - FITTING WITH COMPRESSION ENDS FOR USE WITH PLASTICS PIPES
    BS EN 14367 : 2005 NON CONTROLLABLE BACKFLOW PREVENTER WITH DIFFERENT PRESSURE ZONES - FAMILY C, TYPE A
    BS EN 1254-1:1998 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - FITTINGS WITH ENDS FOR CAPILLARY SOLDERING OR CAPILLARY BRAZING TO COPPER TUBES
    BS EN 13959 : 2004 ANTI-POLLUTION CHECK VALVES - DN 6 TO DN 250 INCLUSIVE FAMILY E, TYPE A, B, C AND D
    BS EN 806-2:2005 Specifications for installations inside buildings conveying water for human consumption Design
    UNI EN 267 : 2011 AUTOMATIC FORCED DRAUGHT BURNERS FOR LIQUID FUELS
    I.S. EN 1949:2011 SPECIFICATION FOR THE INSTALLATION OF LPG SYSTEMS FOR HABITATION PURPOSES IN LEISURE ACCOMMODATION VEHICLES AND ACCOMMODATION PURPOSES IN OTHER VEHICLES (INCLUDING IRISH NATIONAL ANNEX)
    DIN EN 1775:2007-10 Gas supply - Gas pipework for buildings - Maximum operating pressure less than or equal to 5 bar - Functional recommendations
    I.S. EN 1775:2007 GAS SUPPLY - GAS PIPEWORK FOR BUILDINGS - MAXIMUM OPERATING PRESSURE LESS THAN OR EQUAL TO 5 BAR - FUNCTIONAL RECOMMENDATIONS
    DIN EN 14367:2005-10 Non controllable backflow preventer with different pressure zones - Family C, type A
    EN 13547 : 2013 INDUSTRIAL VALVES - COPPER ALLOY BALL VALVES
    UNI EN 1949 : 2013 SPECIFICATION FOR THE INSTALLATION OF LPG SYSTEMS FOR HABITATION PURPOSES IN LEISURE ACCOMMODATION VEHICLES AND ACCOMMODATION PURPOSES IN OTHER VEHICLES
    CEN/TS 13547 : 2006 INDUSTRIAL VALVES - COPPER ALLOY BALL VALVES
    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
    DIN EN 13618:2017-03 FLEXIBLE HOSE ASSEMBLIES IN DRINKING WATER INSTALLATIONS - FUNCTIONAL REQUIREMENTS AND TEST METHODS
    EN 1949:2011+A1:2013 SPECIFICATION FOR THE INSTALLATION OF LPG SYSTEMS FOR HABITATION PURPOSES IN LEISURE ACCOMMODATION VEHICLES AND ACCOMMODATION PURPOSES IN OTHER VEHICLES
    EN 1775 : 2007 GAS SUPPLY - GAS PIPEWORK FOR BUILDINGS - MAXIMUM OPERATING PRESSURE LESS THAN OR EQUAL TO 5 BAR - FUNCTIONAL RECOMMENDATIONS
    EN 15092 : 2008 BUILDING VALVES - INLINE HOT WATER SUPPLY TEMPERING VALVES - TESTS AND REQUIREMENTS
    EN 14868 : 2005 PROTECTION OF METALLIC MATERIALS AGAINST CORROSION - GUIDANCE ON THE ASSESSMENT OF CORROSION LIKELIHOOD IN CLOSED WATER CIRCULATION SYSTEMS
    EN 806-2:2005 Specification for installations inside buildings conveying water for human consumption - Part 2: Design
    EN 13618:2016 Flexible hose assemblies in drinking water installations - Functional requirements and test methods
    EN 806-4:2010 Specifications for installations inside buildings conveying water for human consumption - Part 4: Installation
    EN 13959 : 2004 ANTI-POLLUTION CHECK VALVES - DN 6 TO DN 250 INCLUSIVE FAMILY E, TYPE A, B, C AND D
    EN 14367 : 2005 NON CONTROLLABLE BACKFLOW PREVENTER WITH DIFFERENT PRESSURE ZONES - FAMILY C, TYPE A
    UNI EN 1775 : 2007 GAS SUPPLY - GAS PIPEWORK FOR BUILDINGS - MAXIMUM OPERATING PRESSURE LESS THAN OR EQUAL TO 5 BAR - FUNCTIONAL RECOMMENDATIONS

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

    EN 1254-3 : 1998 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 3: FITTINGS WITH COMPRESSION ENDS FOR USE WITH PLASTICS PIPES
    EN 1254-5 : 1998 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 5: FITTINGS WITH SHORT ENDS FOR CAPILLARY BRAZING TO COPPER TUBES
    EN 1254-1 : 1998 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 1: FITTINGS WITH ENDS FOR CAPILLARY SOLDERING OR CAPILLARY BRAZING TO COPPER TUBES
    EN 1254-2 : 1998 COPPER AND COPPER ALLOYS - PLUMBING FITTINGS - PART 2: FITTINGS WITH COMPRESSION ENDS FOR USE WITH COPPER TUBES
    EN ISO 9002:1994/AC:1997 QUALITY SYSTEMS - SPECIFICATION FOR PRODUCTION AND INSTALLATION
    ISO 7-2:2000 Pipe threads where pressure-tight joints are made on the threads Part 2: Verification by means of limit gauges
    ISO 7-1:1994 Pipe threads where pressure-tight joints are made on the threads Part 1: Dimensions, tolerances and designation
    EN ISO 9001:2015 QUALITY MANAGEMENT SYSTEMS - REQUIREMENTS (ISO 9001:2015)
    ISO 9001:2015 Quality management systems - Requirements
    ISO 228-2:1987 Pipe threads where pressure-tight joints are not made on the threads Part 2: Verification by means of limit gauges
    ISO 228-1:2000 Pipe threads where pressure-tight joints are not made on the threads Part 1: Dimensions, tolerances and designation
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