• ASME B16.47 : 2017

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    LARGE DIAMETER STEEL FLANGES: NPS 26 THROUGH NPS 60 METRIC/INCH STANDARD

    Available format(s):  Hardcopy, PDF

    Superseded date:  10-03-2021

    Language(s):  English

    Published date:  05-05-2017

    Publisher:  American Society of Mechanical Engineers

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

    Foreword
    Committee Roster
    Correspondence With the B16 Committee
    Summary of Changes
    List of Changes in Record Number Order
    1 Scope
    2 Pressure - Temperature Ratings
    3 Component Size: Nominal Pipe Size
    4 Marking
    5 Materials
    6 Dimensions
    7 Tolerances
    8 Pressure Testing
    Mandatory Appendices
    I Pressure -Temperature Ratings and Dimensional Data for
       Classes 75, 150, 300, 400, 600, and Flanges in U.S. Customary
       Units
    II References
    Nonmandatory Appendices
    A Methods Used for Establishing PressureTemperature Ratings
    B Gaskets (Other Than Ring-Joint)
    C Quality System Program

    Abstract - (Show below) - (Hide below)

    This Standard covers pressure temperature ratings, materials, dimensions, tolerances, marking, and testing for pipe flanges in sizes NPS 26 through NPS 60.

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

    Committee B16
    Document Type Standard
    Publisher American Society of Mechanical Engineers
    Status Superseded
    Superseded By
    Supersedes

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

    API 610 REDLINE : 2010 CENTRIFUGAL PUMPS FOR PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES
    API TR 934-G : 2016 DESIGN, FABRICATION, OPERATIONAL EFFECTS, INSPECTION, ASSESSMENT, AND REPAIR OF COKE DRUMS AND PERIPHERAL COMPONENTS IN DELAYED COKING UNITS
    ISO 8277:2013 Ships and marine technology — Pipework and machinery — Information transfer
    MSS SP 9 : 2013 SPOT FACING FOR BRONZE, IRON AND STEEL FLANGES
    EN 13121-3:2016 GRP tanks and vessels for use above ground - Part 3: Design and workmanship
    API 650 : 2013 WELDED TANKS FOR OIL STORAGE
    PIP VESAC001 : 2016 AIR-COOLED HEAT EXCHANGER SPECIFICATION (SUPPLEMENT TO API STD 661, 7TH EDITION)
    API 537 REDLINE : 2008 FLARE DETAILS FOR GENERAL REFINERY AND PETROCHEMICAL SERVICE
    API 619 REDLINE : 2010 ROTARY-TYPE POSITIVE DISPLACEMENT COMPRESSORS FOR PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES
    API 6DSS REDLINE : 2009 SPECIFICATION FOR SUBSEA PIPELINE VALVES
    API 619 : 2010 ROTARY-TYPE POSITIVE DISPLACEMENT COMPRESSORS FOR PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES
    ASME B16.10 : 2017 FACE-TO-FACE AND END-TO-END DIMENSIONS OF VALVES
    API 611 : 2008 : R2014 GENERAL-PURPOSE STEAM TURBINES FOR PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES
    BS EN ISO 10440-1:2001 Petroleum and natural gas industries. Rotary-type positive-displacement compressors Process compressors (oil-free)
    EN ISO 10439-1:2015 Petroleum, petrochemical and natural gas industries - Axial and centrifugal compressors and expander-compressors - Part 1: General requirements (ISO 10439-1:2015)
    ASME PV CODE 8 DIV 2 : 2017 BOILER AND PRESSURE VESSEL CODE - RULES FOR CONSTRUCTION OF PRESSURE VESSELS DIVISION 2- ALTERNATIVE RULES
    EN 593:2017 Industrial valves - Metallic butterfly valves for general purposes
    API 674 : 2010 POSITIVE DISPLACEMENT PUMPS - RECIPROCATING
    EN 14870-3:2006 Petroleum and natural gas industries - Induction bends, fittings and flanges for pipeline transportation systems - Part 3: Flanges (ISO 15590-3:2004, modified)
    ISO 17602:2014 Ships and marine technology Metal valves for use in flanged pipe Face-to-face and centre-to-face dimensions
    BS EN ISO 10437:2003 Petroleum, petrochemical and natural gas industries. Steam turbines. Special-purpose applications
    EN ISO 13710:2004 Petroleum, petrochemical and natural gas industries - Reciprocating positive displacement pumps (ISO 13710:2004)
    ASME PV CODE 1 : 2017 BOILER AND PRESSURE VESSEL CODE - RULES FOR CONSTRUCTION OF POWER BOILERS
    API 674 : 2010(R2016) POSITIVE DISPLACEMENT PUMPS - RECIPROCATING
    API 609 : 2016 BUTTERFLY VALVES: DOUBLE-FLANGED, LUG- AND WAFER-TYPE
    API 594 : 2017 CHECK VALVES: FLANGED, LUG, WAFER, AND BUTT-WELDING
    API 609 CHINESE : 2009 BUTTERFLY VALVES: DOUBLE-FLANGED, LUG- AND WAFER-TYPE
    PD 8010-1:2004 Code of practice for pipelines Steel pipelines on land
    API 6D :2015 SPECIFICATION FOR PIPELINE AND PIPING VALVES
    EN 13942:2009/AC:2009 PETROLEUM AND NATURAL GAS INDUSTRIES - PIPELINE TRANSPORTATION SYSTEMS - PIPELINE VALVES
    API 674 REDLINE : 2010 POSITIVE DISPLACEMENT PUMPS - RECIPROCATING
    API 616 REDLINE : 2011 GAS TURBINES FOR THE PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES
    ASME B16.20 : 2017 METALLIC GASKETS FOR PIPE FLANGES
    I.S. EN ISO 25457:2009 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - FLARE DETAILS FOR GENERAL REFINERY AND PETROCHEMICAL SERVICE
    EN ISO 10437:2003 Petroleum, petrochemical and natural gas industries - Steam turbines - Special-purpose applications (ISO 10437:2003)
    API 537:2017+ADD 1:2020 FLARE DETAILS FOR PETROLEUM, PETROCHEMICAL, AND NATURAL GAS INDUSTRIES
    PIP PNC00005 : 2016 DESIGN OF ASME B31.3 - METALLIC PIPING SYSTEMS
    ASME B16.21 : 2016 NONMETALLIC FLAT GASKETS FOR PIPE FLANGES
    PIP RESE001 : 2017 GENERAL PURPOSE SKID-MOUNTED PACKAGED EQUIPMENT SPECIFICATION
    ISO 14723:2009 Petroleum and natural gas industries — Pipeline transportation systems — Subsea pipeline valves
    BS EN ISO 10439-1:2015 Petroleum, petrochemical and natural gas industries. Axial and centrifugal compressors and expander-compressors General requirements
    API 1111 REDLINE : 2009 DESIGN, CONSTRUCTION, OPERATION, AND MAINTENANCE OF OFFSHORE HYDROCARBON PIPELINES (LIMIT STATE DESIGN)
    API 609 REDLINE : 2009 BUTTERFLY VALVES: DOUBLE-FLANGED, LUG- AND WAFER-TYPE
    BS EN 593:2017 Industrial valves. Metallic butterfly valves for general purposes
    EN ISO 13709:2009 Centrifugal pumps for petroleum, petrochemical and natural gas industries (ISO 13709:2009)
    ISO 14313:2007 Petroleum and natural gas industries — Pipeline transportation systems — Pipeline valves
    BS PD8010-2(2015) : 2015 PIPELINE SYSTEMS - PART 2: SUBSEA PIPELINES - CODE OF PRACTICE
    EN ISO 13703:2000/AC:2007 PETROLEUM AND NATURAL GAS INDUSTRIES - DESIGN AND INSTALLATION OF PIPING SYSTEMS ON OFFSHORE PRODUCTION PLATFORMS
    BS EN 13942:2009 Petroleum and natural gas industries. Pipeline transportation systems. Pipeline valves
    ISO 19240:2017 Industrial valves — Lined metal quarter turn and check valves for chemical process and related industries
    BS EN ISO 25457:2008 Petroleum, petrochemical and natural gas industries. Flare details for general refinery and petrochemical service
    API 594 REDLINE : 2010 CHECK VALVES: FLANGED, LUG, WAFER, AND BUTT-WELDING
    UNI EN 13942 : 2009 PETROLEUM AND NATURAL GAS INDUSTRIES - PIPELINE TRANSPORTATION SYSTEMS - PIPELINE VALVES
    PIP PNSM0110 : 2017 PURCHASING REQUIREMENTS FOR VALVES
    API 650 CHINESE : 2013 WELDED TANKS FOR OIL STORAGE
    BS EN ISO 13710:2004 Petroleum, petrochemical and natural gas industries. Reciprocating positive displacement pumps
    API 618 : 2007 RECIPROCATING COMPRESSORS FOR PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES
    EN ISO 14723:2009 Petroleum and natural gas industries - Pipeline transportation systems - Subsea pipeline valves (ISO 14723:2009)
    MSS SP 81 : 2017 STAINLESS-STEEL OR STAINLESS-STEEL-LINED, BONNETLESS, KNIFE GATE VALVES WITH FLANGED ENDS
    ASME PCC 2 : 2015 REPAIR OF PRESSURE EQUIPMENT AND PIPING
    PD 8010-2:2004 Code of practice for pipelines Subsea pipelines
    ANSI Z223.1 : 2018 NATIONAL FUEL GAS CODE
    ASTM A 105/A105M : 2014-11 SPECIFICATION FOR CARBON STEEL FORGINGS FOR PIPING APPLICATIONS
    API 616 : 2011 GAS TURBINES FOR THE PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES
    BS PD8010-1(2015) : 2015 PIPELINE SYSTEMS - PART 1: STEEL PIPELINES ON LAND - CODE OF PRACTICE
    EN ISO 25457:2008 Petroleum, petrochemical and natural gas industries - Flare details for general refinery and petrochemical service (ISO 25457:2008)
    AWWA C751 : 2016 MAGNETIC INDUCTIVE FLOWMETERS
    ISO 10439-1:2015 Petroleum, petrochemical and natural gas industries Axial and centrifugal compressors and expander-compressors Part 1: General requirements
    12/30262118 DC BS ISO 14313 - PETROLEUM AND NATURAL GAS INDUSTRIES - PIPELINE TRANSPORTATION SYSTEMS - PIPELINE VALVES
    API 676 REDLINE : 2009 POSITIVE DISPLACEMENT PUMPS - ROTARY
    ASME B31.5 : 2016 REFRIGERATION PIPING AND HEAT TRANSFER COMPONENTS
    API 611 : 2008 GENERAL-PURPOSE STEAM TURBINES FOR PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES
    PIP VESV1002 : 2012 DESIGN AND FABRICATION SPECIFICATION FOR VESSELS ASME CODE SECTION 8, DIVISIONS 1 AND 2
    BS ISO 7005-1:2011 Pipe flanges Steel flanges for industrial and general service piping systems
    DIN EN 13121-3:2016-10 GRP TANKS AND VESSELS FOR USE ABOVE GROUND - PART 3: DESIGN AND WORKMANSHIP
    NBR 15827 : 2014 INDUSTRIAL VALVES FOR INSTALLATIONS OF EXPLORATION, PRODUCTION, REFINING AND TRANSPORT OF PETROL PRODUCTS - REQUIREMENTS FOR DESIGN AND PROTOTYPE TEST
    BS ISO 8277:2013 Ships and marine technology. Pipework and machinery. Information transfer
    API 1169 : 2013 RECOMMENDED PRACTICE FOR BASIC INSPECTION REQUIREMENTS - NEW PIPELINE CONSTRUCTION
    PIP VESLP001 : 2012 LOW-PRESSURE, WELDED VESSEL SPECIFICATION
    BS EN 14870-3:2006 Petroleum and natural gas industries. Induction bends, fittings and flanges for pipeline transportation systems Flanges
    AWWA C207 : 2013 STEEL PIPE FLANGES FOR WATERWORKS SERVICE, SIZES 4 IN. THROUGH 144 IN. (100 MM THROUGH 3,600 MM)
    ISO 13703:2000 Petroleum and natural gas industries Design and installation of piping systems on offshore production platforms
    ASME B31.3:2016 PROCESS PIPING
    ASME B31.1 : 2016 POWER PIPING
    API 1111 : 2015 DESIGN, CONSTRUCTION, OPERATION, AND MAINTENANCE OF OFFSHORE HYDROCARBON PIPELINES (LIMIT STATE DESIGN)
    ASME PTB 2 : 2009 GUIDE TO LIFE CYCLE MANAGEMENT OF PRESSURE EQUIPMENT INTEGRITY
    ISO 13710:2004 Petroleum, petrochemical and natural gas industries Reciprocating positive displacement pumps
    ISO 10440-1:2007 Petroleum, petrochemical and natural gas industries — Rotary-type positive-displacement compressors — Part 1: Process compressors
    API 2610 : 2005 : R2010 DESIGN, CONSTRUCTION, OPERATION, MAINTENANCE, AND INSPECTION OF TERMINAL AND TANK FACILITIES
    ASME B16.25 : 2017 BUTTWELDING ENDS
    API TR 17TR10 : 2015 SUBSEA UMBILICAL TERMINATION (SUT) DESIGN RECOMMENDATIONS
    API 618 : 2007 : R2016 RECIPROCATING COMPRESSORS FOR PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES
    API STD 612:2020 Petroleum, Petrochemical, and Natural Gas Industries - Steam Turbines - Special-purpose Applications
    API 612 : 2014 PETROLEUM, PETROCHEMICAL, AND NATURAL GAS INDUSTRIES - STEAM TURBINES - SPECIAL-PURPOSE APPLICATIONS
    PIP VESIN001 : 2018 DESIGN AND FABRICATION SPECIFICATION FOR PRESSURE VESSEL INTERNALS
    CAN/CSA-Z662-15 Oil and gas pipeline systems
    ASME B31.12 : 2014 HYDROGEN PIPING AND PIPELINES
    API 594 CHINESE : 2004 CHECK VALVES: FLANGED, LUG, WAFER AND BUTT-WELDING
    ASME B31.3 SPANISH : 2010 PROCESS PIPING
    MSS SP 67 : 2017 BUTTERFLY VALVES
    ASME B31.8 : 2016 Gas Transmission and Distribution Piping Systems
    API 594 RUSSIAN : 2004 CHECK VALVES: FLANGED, LUG, WAFER AND BUTT-WELDING
    ISO 10631:2013 Metallic butterfly valves for general purposes
    API 2610:2005 DESIGN, CONSTRUCTION, OPERATION, MAINTENANCE, AND INSPECTION OF TERMINAL AND TANK FACILITIES
    API 674 : 2010 : ERR 2 : 2015 POSITIVE DISPLACEMENT PUMPS - RECIPROCATING
    API 673 : 2014 CENTRIFUGAL FANS FOR PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES
    ASTM F 2880 : 2014 : REDLINE Standard Specification for Lap-Joint Type Flange Adapters for Polyethylene Pressure Pipe in Nominal Pipe Sizes 3/4 in. to 65 in.
    ISO 18139:2017 Ships and marine technology — Globe valves for use in low temperature applications — Design and testing requirements
    API 681 : 1996 LIQUID RING VACUUM PUMPS AND COMPRESSORS FOR PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES
    BS ISO 18139:2017 Ships and marine technology. Globe valves for use in low temperature applications. Design and testing requirements
    BS EN ISO 14723:2009 Petroleum and natural gas industries. Pipeline transportation systems. Subsea pipeline valves
    EN 13942:2009 Petroleum and natural gas industries - Pipeline transportation systems - Pipeline valves (ISO 14313:2007 modified)
    API 611 REDLINE : 2008 GENERAL-PURPOSE STEAM TURBINES FOR PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES
    API 574 REDLINE : 2009 INSPECTION PRACTICES FOR PIPING SYSTEM COMPONENTS
    PIP VECV1001 : 2017 DESIGN CRITERIA AND PURCHASING REQUIREMENTS FOR VESSELS ASME CODE SECTION 8, DIVISIONS 1 AND 2
    ASTM A 694/A694M : 2016 : REDLINE Standard Specification for Carbon and Alloy Steel Forgings for Pipe Flanges, Fittings, Valves, and Parts for High-Pressure Transmission Service
    BS ISO 10631:2013 Metallic butterfly valves for general purposes
    API 6DSS CHINESE : 2009 SPECIFICATION FOR SUBSEA PIPELINE VALVES
    API 674 : 2010 : INC : ERR 1 : 2015 : R2016 POSITIVE DISPLACEMENT PUMPS - RECIPROCATING
    ASME PV CODE 8 DIV 1 : 2017 BOILER AND PRESSURE VESSEL CODE - RULES FOR CONSTRUCTION OF PRESSURE VESSELS DIVISION 1
    PIP VEEVJ001 : 2015 GASKET GUIDELINES
    API 676 : 2009 : R2015 POSITIVE DISPLACEMENT PUMPS - ROTARY
    API 676 CHINESE : 2009 POSITIVE DISPLACEMENT PUMPS - ROTARY
    MSS SP 68 : 2017 HIGH PRESSURE BUTTERFLY VALVES WITH OFFSET DESIGN
    API 537 CHINESE : 2008 FLARE DETAILS FOR GENERAL REFINERY AND PETROCHEMICAL SERVICE
    API 6DSS : 2017-08 SPECIFICATION FOR SUBSEA PIPELINE VALVES
    EN ISO 10440-1:2007 Petroleum, petrochemical and natural gas industries - Rotary-type positive-displacement compressors - Part 1: Process compressors (ISO 10440-1:2007)
    API 617 : 2014 AXIAL AND CENTRIFUGAL COMPRESSORS AND EXPANDER-COMPRESSORS
    NFPA 54 : 2018 NATIONAL FUEL GAS CODE
    ASME PCC 1 : 2013 GUIDELINES FOR PRESSURE BOUNDARY BOLTED FLANGE JOINT ASSEMBLY
    API 574 CHINESE : 2009 INSPECTION PRACTICES FOR PIPING SYSTEM COMPONENTS
    API 650 : 2013+ADD 3 : 2018 WELDED TANKS FOR OIL STORAGE
    API 537 : 2017 FLARE DETAILS FOR PETROLEUM, PETROCHEMICAL, AND NATURAL GAS INDUSTRIES
    ISO 25457:2008 Petroleum, petrochemical and natural gas industries — Flare details for general refinery and petrochemical service
    BS EN ISO 13703 : 2001 PETROLEUM AND NATURAL GAS INDUSTRIES - DESIGN AND INSTALLATION OF PIPING SYSTEMS ON OFFSHORE PRODUCTION PLATFORMS
    API 600 CHINESE : 2015 STEEL GATE VALVES - FLANGED AND BUTT-WELDING ENDS, BOLTED BONNETS
    BS ISO 17602:2014 Ships and marine technology. Metal valves for use in flanged pipe. Face-to-face and centre-to-face dimensions
    API 574 : 2016 INSPECTION PRACTICES FOR PIPING SYSTEM COMPONENTS
    MSS SP 92 : 2012 MSS VALVE USER GUIDE
    MSS SP 135 : 2016 HIGH PRESSURE KNIFE GATE VALVES
    API STD 600 : 2015 STEEL GATE VALVES - FLANGED AND BUTT-WELDING ENDS, BOLTED BONNETS
    ASME B16.34 : 2017 VALVES - FLANGED, THREADED, AND WELDING END
    API 674 : 2010 : ERR 1 : 2014 POSITIVE DISPLACEMENT PUMPS - RECIPROCATING
    ISO 13709:2009 Centrifugal pumps for petroleum, petrochemical and natural gas industries
    BS ISO 19240:2017 Industrial valves. Lined metal quarter turn and check valves for chemical process and related industries
    API 672 : 2004 PACKAGED, INTEGRALLY GEARED CENTRIFUGAL AIR COMPRESSORS FOR PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES
    API 681 : 1996 : R2010 LIQUID RING VACUUM PUMPS AND COMPRESSORS FOR PETROLEUM, CHEMICAL, AND GAS INDUSTRY SERVICES
    UFC 3-460-01 : Change 3 UNIFIED FACILITIES CRITERIA - DESIGN: PETROLEUM FUEL FACILITIES
    ISO 7005-1:2011 Pipe flanges — Part 1: Steel flanges for industrial and general service piping systems
    API 610 : 2010 CENTRIFUGAL PUMPS FOR PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES
    PD 8010-2:2015+A1:2016 Pipeline systems Subsea pipelines. Code of practice
    BS EN ISO 13709:2003 Centrifugal pumps for petroleum, petrochemical and natural gas industries
    API STD 676 : 2009 POSITIVE DISPLACEMENT PUMPS - ROTARY
    ISO 10437:2003 Petroleum, petrochemical and natural gas industries — Steam turbines — Special-purpose applications
    ISO 15590-3:2004 Petroleum and natural gas industries Induction bends, fittings and flanges for pipeline transportation systems Part 3: Flanges

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

    ASME PV CODE 8 DIV 2 : 2017 BOILER AND PRESSURE VESSEL CODE - RULES FOR CONSTRUCTION OF PRESSURE VESSELS DIVISION 2- ALTERNATIVE RULES
    ASME B18.2.1 : 2012 SQUARE, HEX, HEAVY HEX, AND ASKEW HEAD BOLTS AND HEX, HEAVY HEX, HEX FLANGE, LOBED HEAD, AND LAG SCREWS (INCH SERIES)
    ASTM A 537/A537M : 2013 Standard Specification for Pressure Vessel Plates, Heat-Treated, Carbon-Manganese-Silicon Steel
    ASTM A 204/A204M : 2017 : REDLINE Standard Specification for Pressure Vessel Plates, Alloy Steel, Molybdenum
    ASME B18.31.2 : 2014 CONTINUOUS THREAD STUD, DOUBLE-END STUD, AND FLANGE BOLTING STUD (STUD BOLT) (INCH SERIES)
    ASME PV CODE 8 DIV 1 : 2017 BOILER AND PRESSURE VESSEL CODE - RULES FOR CONSTRUCTION OF PRESSURE VESSELS DIVISION 1
    ASTM A 516/A516M : 2017 : REDLINE Standard Specification for Pressure Vessel Plates, Carbon Steel, for Moderate- and Lower-Temperature Service
    ASTM A 350 : 2004 SPECIFICATION FOR FORGINGS, CARBON AND LOW ALLOY STEEL, REQUIRING NOTCH TOUGHNESS TESTING FOR PIPING COMPONENTS
    ASME B31.3:2016 PROCESS PIPING
    ASME B46.1 : 2009 SURFACE TEXTURE (SURFACE ROUGHNESS, WAVINESS, AND LAY)
    ASME B16.20 : 2012 METALLIC GASKETS FOR PIPE FLANGES
    ASME B1.20.1 : 2013(R2018) PIPE THREADS, GENERAL PURPOSE (INCH)
    MSS SP 25 : 2013 STANDARD MARKING SYSTEM FOR VALVES, FITTINGS, FLANGES, AND UNIONS
    ISO 9004:2009 Managing for the sustained success of an organization A quality management approach
    MSS SP 61 : 2013 PRESSURE TESTING OF VALVES
    MSS SP 44 : 2016 STEEL PIPELINE FLANGES
    ISO 9001:2015 Quality management systems — Requirements
    ASME B16.5 : 2017 PIPE FLANGES AND FLANGED FITTINGS: NPS 1/2 THROUGH NPS 24 METRIC/INCH STANDARD
    ASTM A 449 : 2014 : REDLINE Standard Specification for Hex Cap Screws, Bolts and Studs, Steel, Heat Treated, 120/105/90 ksi Minimum Tensile Strength, General Use
    ASME B16.21 : 2016 NONMETALLIC FLAT GASKETS FOR PIPE FLANGES
    ASME B16.34 : 2017 VALVES - FLANGED, THREADED, AND WELDING END
    ISO 9000:2015 Quality management systems — Fundamentals and vocabulary
    ASME B18.2.2 : 2015 NUTS FOR GENERAL APPLICATIONS: MACHINE SCREW NUTS, HEX, SQUARE, HEX FLANGE, AND COUPLING NUTS (INCH SERIES)
    MSS SP 9 : 2013 SPOT FACING FOR BRONZE, IRON AND STEEL FLANGES
    ASTM A 515/A515M : 2017 : REDLINE Standard Specification for Pressure Vessel Plates, Carbon Steel, for Intermediate- and Higher-Temperature Service
    ASTM A 203/A203M : 2017 : REDLINE Standard Specification for Pressure Vessel Plates, Alloy Steel, Nickel
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