BS ISO 7121:2016
Current
The latest, up-to-date edition.
Steel ball valves for general-purpose industrial applications
Hardcopy , PDF
English
30-04-2016
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Pressure/temperature ratings
5 Design
6 Materials
7 Marking
8 Testing and inspection
9 Preparation for despatch
Annex A (informative) - Information to be specified
by the purchaser
Annex B (informative) - Identification of valve parts
Bibliography
Defines the requirements for a series of steel ball valves suitable for general-purpose industrial applications.
| Committee |
PSE/18/3
|
| DevelopmentNote |
Supersedes BS 5159(1974) and 03/118014 DC. (05/2007) Supersedes 15/30322555 DC.(05/2016)
|
| DocumentType |
Standard
|
| Pages |
34
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| ISO 7121:2016 | Identical |
| NBR 15827 : 2014 | INDUSTRIAL VALVES FOR INSTALLATIONS OF EXPLORATION, PRODUCTION, REFINING AND TRANSPORT OF PETROL PRODUCTS - REQUIREMENTS FOR DESIGN AND PROTOTYPE TEST |
| EN 12982:2009 | Industrial valves - End-to-end and centre-to-end dimensions for butt welding end valves |
| EN 10269:2013 | Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties |
| ISO 17292:2015 | Metal ball valves for petroleum, petrochemical and allied industries |
| EN 1515-1:1999 | Flanges and their joints - Bolting - Part 1: Selection of bolting |
| ISO 4034:2012 | Hexagon regular nuts (style 1) Product grade C |
| ISO 14313:2007 | Petroleum and natural gas industries — Pipeline transportation systems — Pipeline valves |
| ASME B16.10 : 2017 | FACE-TO-FACE AND END-TO-END DIMENSIONS OF VALVES |
| ASME B16.11 : 2016 | FORGED FITTINGS, SOCKET-WELDING AND THREADED |
| ISO 965-2:1998 | ISO general purpose metric screw threads — Tolerances — Part 2: Limits of sizes for general purpose external and internal screw threads — Medium quality |
| ASME B36.10 : 1979 | WELDED AND SEAMLESS WROUGHT STEEL PIPE |
| ISO 5209:1977 | General purpose industrial valves Marking |
| ISO 7-2:2000 | Pipe threads where pressure-tight joints are made on the threads Part 2: Verification by means of limit gauges |
| ISO 6708:1995 | Pipework components Definition and selection of DN (nominal size) |
| ISO 4032:2012 | Hexagon regular nuts (style 1) — Product grades A and B |
| ASME B16.20 : 2012 | METALLIC GASKETS FOR PIPE FLANGES |
| ASME B1.20.1 : 2013(R2018) | PIPE THREADS, GENERAL PURPOSE (INCH) |
| ISO 7-1:1994 | Pipe threads where pressure-tight joints are made on the threads Part 1: Dimensions, tolerances and designation |
| API 608 : 2012 | METAL BALL VALVES - FLANGED, THREADED, AND WELDING ENDS |
| ISO 5752:1982 | Metal valves for use in flanged pipe systems Face-to-face and centre-to-face dimensions |
| ISO 4200:1991 | Plain end steel tubes, welded and seamless — General tables of dimensions and masses per unit length |
| EN 1333:2006 | Flanges and their joints - Pipework components - Definition and selection of PN |
| ASME B16.5 : 2017 | PIPE FLANGES AND FLANGED FITTINGS: NPS 1/2 THROUGH NPS 24 METRIC/INCH STANDARD |
| ASME B16.34 : 2017 | VALVES - FLANGED, THREADED, AND WELDING END |
| ISO 4033:2012 | Hexagon high nuts (style 2) — Product grades A and B |
| ISO 261:1998 | ISO general purpose metric screw threads — General plan |
| MSS SP 55 : 2011 | QUALITY STANDARD FOR STEEL CASTINGS FOR VALVES, FLANGES, FITTINGS, AND OTHER PIPING COMPONENTS - VISUAL METHOD FOR EVALUATION OF SURFACE IRREGULARITIES |
| ISO 10497:2010 | Testing of valves — Fire type-testing requirements |
| ASME B18.2.2 : 2015 | NUTS FOR GENERAL APPLICATIONS: MACHINE SCREW NUTS, HEX, SQUARE, HEX FLANGE, AND COUPLING NUTS (INCH SERIES) |
| ISO 228-1:2000 | Pipe threads where pressure-tight joints are not made on the threads Part 1: Dimensions, tolerances and designation |
| ASME B16.25 : 2012 | BUTTWELDING ENDS |
| ISO 5211:2017 | Industrial valves — Part-turn actuator attachments |
| ISO 5208:2015 | Industrial valves Pressure testing of metallic valves |
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