• BS 6739(2009) : 2009

    Current The latest, up-to-date edition.

    CODE OF PRACTICE FOR INSTRUMENTATION IN PROCESS CONTROL SYSTEMS: INSTALLATION DESIGN AND PRACTICE

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2009

    Publisher:  British Standards Institution

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

    Foreword
    1 Scope
    2 Normative references
    3 Terms, definitions and abbreviations
       3.1 Terms and definitions
       3.2 Abbreviations
    4 Personnel safety
       4.1 General
       4.2 Responsibilities
       4.3 Permit-to-work
       4.4 Work equipment
       4.5 Personal protective equipment
       4.6 Lifting and handling operations
       4.7 Working at height
       4.8 Safe access and egress
       4.9 Safety signs and signals
       4.10 Materials, dust and escaping
             fumes, gases and process fluids
             giving rise to fire, asphyxiation, toxic
             or explosion hazard
       4.11 Physical agents
       4.12 Work in confined spaces
       4.13 Pressure equipment
       4.14 Work on or with electrical systems
             and equipment
       4.15 Potentially explosive atmospheres
       4.16 Ionizing radiation and radioactive substances
       4.17 Working with display screens
       4.18 Work on construction sites
    5 Instrumentation in hazardous areas
       5.1 Classification of hazardous areas and selection
             of instrumentation
       5.2 Electrical apparatus
       5.3 Batteries, power packs and portable
             electrical equipment
       5.4 Non-electrical equipment
    6 Documentation
    7 Process sensors and measuring devices
       7.1 Flow
       7.2 Pressure
       7.3 Temperature
       7.4 Level
       7.5 Mechanical measurements
       7.6 Weighing machines
       7.7 Density measurement
       7.8 Multivariable transmitters/controllers
       7.9 Quality measuring instruments
       7.10 Fibre optic instrumentation
    8 Communication
       8.1 SMART instrumentation
       8.2 Security of communications
       8.3 Wireless instruments
       8.4 Fibre optic device communication
       8.5 Modems
    9 Pollution prevention and control
       9.1 General
       9.2 Stack emissions to air
       9.3 Monitoring discharges to water and sewer
       9.4 Energy efficiency
       9.5 Electromagnetic compatibility (EMC)
       9.6 Waste from electrical and electronic
             equipment (WEEE)
       9.7 Restricted substances
       9.8 Batteries (including battery packs,
             button cells and accumulators)
    10 Regulating devices
       10.1 Mechanical protection
       10.2 Pre-installation checks
       10.3 Control valve installations
       10.4 Access for testing and maintenance
       10.5 Environmental protection
       10.6 Piping
       10.7 Control valve bodies
       10.8 Control valve actuators
       10.9 Auxiliary equipment
       10.10 Variable speed drive (VSD) systems
    11 Pneumatic and hydraulic supply systems
       11.1 General
       11.2 Pneumatic supply systems
       11.3 Hydraulic supply systems
    12 Safety-related instrumentation
       12.1 General safety compliance
       12.2 Installation and commissioning planning
       12.3 Safety function proof testing
       12.4 Redundancy
       12.5 Cabling and piping
       12.6 Identification
    13 Control room, associated equipment
       rooms and electronic systems
       13.1 General
       13.2 Location and environment
       13.3 Earthing
       13.4 Electrical power supplies
       13.5 Protection
       13.6 Data transmission systems
       13.7 Field equipment
       13.8 Testing and commissioning
    14 Instrument piping and tubing
       14.1 General
       14.2 Air supply piping
       14.3 Transmission/signal tubing
       14.4 Process impulse piping
       14.5 Piping and tubing supports
    15 Instrument cabling
       15.1 General
       15.2 Cable classification
       15.3 Signal cables
       15.4 Temperature signal cables
       15.5 Coaxial cables
       15.6 Fibre optic cables
       15.7 Fieldbus cabling
       15.8 Information technology cabling
       15.9 Fire and gas detection equipment
             cabling
       15.10 Safety-related system cabling
       15.11 Mineral insulated copper cables (MICC)
       15.12 Cable routing
       15.13 Cable separation
       15.14 Instrument cable installation
       15.15 Junctions and terminations
       15.16 Cable tray and supports
       15.17 Cable trenches
       15.18 Cable marking
       15.19 Panel wiring
    16 Earthing
       16.1 General
       16.2 Design considerations
       16.3 Control room and associated rooms
       16.4 Control centre earthing
       16.5 Cable earthing
       16.6 Field-mounted instrument enclosures
       16.7 Instrument cable racks, trays and
             conduit
       16.8 Installation guidance
       16.9 Conformity to design
    17 Electrical power supply systems
       17.1 General
       17.2 Power supply categories
       17.3 Design considerations
       17.4 Power supply sizing
       17.5 Supply protection and isolation
       17.6 Intrinsically safe power supplies
    18 Installation
       18.1 Installation and documentation
       18.2 Installation drawings
       18.3 Instrument protection and storage
       18.4 Instrument mounting and accessibility
    19 Testing and verification
       19.1 Responsibility for testing and approval
       19.2 Testing before commissioning
       19.3 Software
       19.4 Inspection upon receipt
       19.5 Pre-installation testing
       19.6 Pressure testing of instrument piping
             and tubing
       19.7 Testing of instrument cables
       19.8 Pre-commissioning (including loop
             testing)
       19.9 Check sheets
    20 Commissioning and acceptance
       20.1 Commissioning
       20.2 Acceptance
    Annexes
    Annex A (informative) - Guidance on legislation
    Annex B (informative) - List of test and calibration equipment
    Annex C (informative) - Guidance on information to be included
                            on calibration and commissioning
                            documentation
    Bibliography

    Abstract - (Show below) - (Hide below)

    Provides recommendations for, and guidance on, the design for the installation of instrumentation of measurement and control systems in the process industry, and the implementation and commissioning of this installation.

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

    Committee GEL/65
    Development Note Supersedes BS 6739(1986). (12/2008)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

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

    EEMUA 178 : 2009 ELECTRICAL SAFETY OF INSTRUMENTS, INSTRUMENT CONTROL PANELS AND CONTROL SYSTEMS - DESIGN GUIDE
    09/30184122 DC : 0 BS 8525-1 - GREYWATER SYSTEMS - PART 1: CODE OF PRACTICE
    EEMUA 222 : 2009 GUIDE TO THE APPLICATION OF IEC 61511 TO SAFETY INSTRUMENTED SYSTEMS IN THE UK PROCESS INDUSTRIES
    BS 8525-1(2010) : 2010 GREYWATER SYSTEMS - PART 1: CODE OF PRACTICE
    BS 8515(2009) : 2009 RAINWATER HARVESTING SYSTEMS - CODE OF PRACTICE
    API 551 : 2016 PROCESS MEASUREMENT

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

    93/68/EEC : 1993 AMD 2 1998 COUNCIL DIRECTIVE 93/68/EEC OF 22.7.93 AMENDING DIRECTIVES 87/404/EEC, 88/378/EEC, 89/106/EEC, 89/336/EEC, 89/392/EEC, 89/686/EEC, 90/384/EEC, 90/385/EEC, 90/396/EEC, 91/263/EEC, 92/42/EEC AND 73/23/EEC
    BS 6423(1983) : 1983 CODE OF PRACTICE FOR MAINTENANCE OF ELECTRICAL SWITCHGEAR AND CONTROLGEAR FOR VOLTAGES UP TO AND INCLUDING 1 KV
    BS EN 62305-1:2011 Protection against lightning General principles
    BS IEC 61000-5.2 : 1997
    BS 7671(2008) : 2008 REQUIREMENTS FOR ELECTRICAL INSTALLATIONS - IET WIRING REGULATIONS
    BS 7430(1998) : 1998 CODE OF PRACTICE FOR EARTHING
    BS PD CLC/TR 50404 : 2003 ELECTROSTATICS - CODE OF PRACTICE FOR THE AVOIDANCE OF HAZARDS DUE TO STATIC ELECTRICITY
    BS EN 50021 : 1999 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - TYPE OF PROTECTION "N"
    BS PD CLC/TR 50427 : 2004 ASSESSMENT OF INADVERTENT IGNITION OF FLAMMABLE ATMOSPHERES BY RADIO-FREQUENCY RADIATION - GUIDE
    BIP 0014 : 2004 GUIDE TO THE EVALUATION OF FIELDBUS PROTOCOLS - SELECTING THE BEST FIELDBUS FOR YOUR APPLICATION
    BS 2765(1969) : 1969 SPECIFICATION FOR DIMENSIONS OF TEMPERATURE DETECTING ELEMENTS AND CORRESPONDING POCKETS
    BS EN 61386-1:2008 Conduit systems for cable management General requirements
    1993/95/EEC : 1993 COUNCIL DIRECTIVE 93/95/EEC OF 29 OCTOBER 1993 AMENDING DIRECTIVE 89/686/EEC ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES RELATING TO PERSONAL PROTECTIVE EQUIPMENT (PPE)
    PD ISO/TR 15489-2:2001 Information and documentation. Records management Guidelines
    BS EN 50262 : 1999 CABLE GLANDS FOR ELECTRICAL INSTALLATIONS
    BS ISO 15489-1:2016 INFORMATION AND DOCUMENTATION - RECORDS MANAGEMENT - PART 1: CONCEPTS AND PRINCIPLES
    BS EN 13284-2:2004 STATIONARY SOURCE EMISSIONS - DETERMINATION OF LOW RANGE MASS CONCENTRATION OF DUST - PART 2: QUALITY ASSURANCE OF AUTOMATED MEASURING SYSTEMS
    BS 7799-3(2006) : 2006 INFORMATION SECURITY MANAGEMENT SYSTEMS - PART 3: GUIDELINES FOR INFORMATION SECURITY RISK MANAGEMENT
    BS EN 60204-1 : 2006 SAFETY OF MACHINERY - ELECTRICAL EQUIPMENT OF MACHINES - PART 1: GENERAL REQUIREMENTS
    BS EN 50014 : 1998 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GENERAL REQUIREMENTS
    BS EN 50016 : 2002 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - PRESSURIZED APPARATUS "P"
    89/686/EEC : 1989 AMD 5 2012 COUNCIL DIRECTIVE OF 21 DECEMBER 1989 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES RELATING TO PERSONAL PROTECTIVE EQUIPMENT
    IEC 62439:2008 High availability automation networks
    BS EN 62061 : 2005 SAFETY OF MACHINERY - FUNCTIONAL SAFETY OF SAFETY-RELATED ELECTRICAL, ELECTRONIC AND PROGRAMMABLE ELECTRONIC CONTROL SYSTEMS
    BS EN ISO 5349-1 : 2001 MECHANICAL VIBRATION - MEASUREMENT AND ASSESSMENT OF HUMAN EXPOSURE TO HAND-TRANSMITTED VIBRATION - GENERAL REQUIREMENTS
    BS EN ISO 11252 : 2013 LASERS AND LASER-RELATED EQUIPMENT - LASER DEVICE - MINIMUM REQUIREMENTS FOR DOCUMENTATION
    ISO/IEC 24702:2006 Information technology Generic cabling Industrial premises
    BS EN 61326-3-2:2008 (published 2009-01) Electrical equipment for measurement, control and laboratory use. EMC requirements Immunity requirements for safety-related systems and for equipment intended to perform safety-related functions (functional safety). Industrial applications with specified electromagnetic environment
    89/106/EEC : 1988 COUNCIL DIRECTIVE OF 21 DECEMBER 1988 ON THE APPROXIMATION OF LAWS, REGULATIONS AND ADMINISTRATIVE PROVISIONS OF THE MEMBER STATES RELATING TO CONSTRUCTION PRODUCTS
    BS 6346(1997) : 1997 ELECTRIC CABLES - PVC INSULATED, ARMOURED CABLES FOR VOLTAGES OF 600/1000 V AND 1900/3300 V
    BS 8444-3(1996) : 1996 RISK MANAGEMENT - GUIDE TO RISK ANALYSIS OF TECHNOLOGICAL SYSTEMS
    BS 5308-1(1986) : 1986 INSTRUMENTATION CABLES - SPECIFICATION FOR POLYETHYLENE INSULATED CABLES
    2004/108/EC : 2004 DIRECTIVE 2004/108/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 15 DECEMBER 2004 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES RELATING TO ELECTROMAGNETIC COMPATIBILITY AND REPEALING DIRECTIVE 89/336/EC
    PD IEC TR 60825-14:2004 Safety of laser products A user\'s guide
    BS EN 10217-7:2014 (published 2014-10) Welded steel tubes for pressure purposes. Technical delivery conditions Stainless steel tubes
    BS ISO 9096:2017 Stationary source emissions. Manual determination of mass concentration of particulate matter
    BS EN 50288-7 : 2005 MULTI-ELEMENT METALLIC CABLES USED IN ANALOGUE AND DIGITAL COMMUNICATION AND CONTROL - PART 7: SECTIONAL SPECIFICATION FOR INSTRUMENTATION AND CONTROL CABLES
    BS EN 62305-2:2012 Protection against lightning Risk management
    BS EN 62262:2002 (published 2002-12) Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code)
    BS EN 50160 : 2010 VOLTAGE CHARACTERISTICS OF ELECTRICITY SUPPLIED BY PUBLIC ELECTRICITY NETWORKS
    BS EN 61000-4-2 : 2009 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-2: TESTING AND MEASUREMENT TECHNIQUES - ELECTROSTATIC DISCHARGE IMMUNITY TEST
    BS EN 14181 : 2014 STATIONARY SOURCE EMISSIONS - QUALITY ASSURANCE OF AUTOMATED MEASURING SYSTEMS
    2006/42/EC : 2006 AMD 4 2014 DIRECTIVE 2006/42/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 17 MAY 2006 ON MACHINERY, AND AMENDING DIRECTIVE 95/16/EC (RECAST) (TEXT WITH EEA RELEVANCE)
    BS EN 61285:2015 INDUSTRIAL-PROCESS CONTROL - SAFETY OF ANALYZER HOUSES
    BS ISO/IEC 17799 : 2005 INFORMATION TECHNOLOGY - SECURITY TECHNIQUES - CODE OF PRACTICE FOR INFORMATION SECURITY MANAGEMENT
    BS 5308-2(1986) : 1986 INSTRUMENTATION CABLES - SPECIFICATION FOR PVC INSULATED CABLES
    1996/58/EC : 1996 DIRECTIVE 96/58/EC OF THE EUROPEAN PARLIAMENT AND THE COUNCIL OF 3 SEPTEMBER 1996 AMENDING DIRECTIVE 89/686/EEC ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES RELATING TO PERSONAL PROTECTIVE EQUIPMENT
    BS EN 614-1 : 2006 SAFETY OF MACHINERY - ERGONOMIC DESIGN PRINCIPLES - PART 1: TERMINOLOGY AND GENERAL PRINCIPLES
    BS 7454(1991) : 1991 METHOD FOR CALCULATION OF THERMALLY PERMISSIBLE SHORT-CIRCUIT CURRENTS, TAKING INTO ACCOUNT NON-ADIABATIC HEATING EFFECTS
    BS 7799-1(2005) : 2005 INFORMATION TECHNOLOGY - SECURITY TECHNIQUES - CODE OF PRACTICE FOR INFORMATION SECURITY MANAGEMENT
    BS EN 61800-5-1:2007 Adjustable speed electrical power drive systems Safety requirements. Electrical, thermal and energy
    BS ISO 14164 : 1999 STATIONARY SOURCE EMISSIONS - DETERMINATION OF THE VOLUME FLOWRATE OF GAS STREAMS IN DUCTS - AUTOMATED METHOD
    DD CEN/TS 15675 : 2007 AIR QUALITY - MEASUREMENT OF STATIONARY SOURCE EMISSIONS - APPLICATION OF EN ISO/IEC 17025:2005 TO PERIODIC MEASUREMENTS
    BS 4278(1984) : 1984 BRITISH STANDARD SPECIFICATION FOR EYEBOLTS FOR LIFTING PURPOSES
    BS 759-1(1984) : 1984 VALVES, GAUGES AND OTHER SAFETY FITTINGS FOR APPLICATION TO BOILERS AND TO PIPING INSTALLATIONS FOR AND IN CONNECTION WITH BOILERS - SPECIFICATION FOR VALVES, MOUNTINGS AND FITTINGS
    BS EN 50017 : 1998 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - POWDER FILLING 'Q'
    IEC 61918:2013 Industrial communication networks - Installation of communication networks in industrial premises
    BS EN ISO 1461:2009 Hot dip galvanized coatings on fabricated iron and steel articles. Specifications and test methods
    BS ISO 10155 : 1995 STATIONARY SOURCE EMISSIONS - AUTOMATED MONITORING OF MASS CONCENTRATIONS OF PARTICLES - PERFORMANCE CHARACTERISTICS, TEST METHODS AND SPECIFICATIONS
    BS EN 13237:2012 Potentially explosive atmospheres. Terms and definitions for equipment and protective systems intended for use in potentially explosive atmospheres
    BS 5839-1(2002) : 2002 FIRE DETECTION AND FIRE ALARM SYSTEMS FOR BUILDINGS - PART 1: CODE OF PRACTICE FOR SYSTEM DESIGN, INSTALLATION, COMMISSIONING AND MAINTENANCE
    BS EN 61804-2 : 2007 FUNCTION BLOCKS (FB) FOR PROCESS CONTROL - PART 2: SPECIFICATION OF FB CONCEPT AND ELECTRONIC DEVICE DESCRIPTION LANGUAGE (EDDL)
    BS EN 50019 : 2000 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INCREASED SAFETY 'E'
    BS IEC 61000-5.1 : 1996
    BS IEC 61892-7:2014 MOBILE AND FIXED OFFSHORE UNITS - ELECTRICAL INSTALLATIONS - PART 7: HAZARDOUS AREAS
    BS EN 50178:1998 Electronic equipment for use in power installations
    BS 1363-1(1995) : 1995 13 A PLUGS, SOCKET-OUTLETS, ADAPTORS AND CONNECTION UNITS - PART 1: SPECIFICATION FOR REWIRABLE AND NON-REWIRABLE 13 A FUSED PLUGS
    BIP 3081 : 2007 LEGAL ADMISSIBILITY COLLECTION (BIP 0008 AND BIP 0009) CD-ROM
    DD IEC TS 61000-1-2 : 2001 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 1-2: GENERAL - METHODOLOGY FOR THE ACHIEVEMENT OF FUNCTIONAL SAFETY OF ELECTRICAL AND ELECTRONIC SYSTEMS INCLUDING EQUIPMENT WITH REGARD TO ELECTROMAGNETIC PHENOMENA
    BS PD5304(2005) : 2005 GUIDANCE ON SAFE USE OF MACHINERY
    BS EN 15259 : 2007 AIR QUALITY - MEASUREMENT OF STATIONARY SOURCE EMISSIONS - REQUIREMENTS FOR MEASUREMENT SECTIONS AND SITES AND FOR THE MEASUREMENT OBJECTIVE, PLAN AND REPORT
    BS EN 60947-5-1 : 2004 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 5-1: CONTROL CIRCUIT DEVICES AND SWITCHING ELEMENTS - ELECTROMECHANICAL CONTROL CIRCUIT DEVICES
    BS EN 12449:2016 COPPER AND COPPER ALLOYS - SEAMLESS, ROUND TUBES FOR GENERAL PURPOSES
    IEC PAS 62443-3:2008 Security for industrial process measurement and control - Network and system security
    BS EN 60529:1992+A2:2013 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE)
    DD CLC/TS 61643-12 : 2009 LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 12: SURGE PROTECTIVE DEVICES CONNECTED TO LOW-VOLTAGE POWER DISTRIBUTION SYSTEMS - SELECTION AND APPLICATION PRINCIPLES
    BS PD IEC TR 62066 : 2002 SURGE OVERVOLTAGES AND SURGE PROTECTION IN LOW-VOLTAGE A.C. POWER SYSTEMS - GENERAL BASIC INFORMATION
    BS IEC 61513 : 2011 NUCLEAR POWER PLANTS - INSTRUMENTATION AND CONTROL IMPORTANT TO SAFETY - GENERAL REQUIREMENTS FOR SYSTEMS
    DD CLC/TS 61643-22 : 2006 LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 22: SURGE PROTECTIVE DEVICES CONNECTED TO TELECOMMUNICATIONS AND SIGNALLING NETWORKS - SELECTION AND APPLICATION PRINCIPLES
    BS ISO/IEC 27001 : 2013 INFORMATION TECHNOLOGY - SECURITY TECHNIQUES - INFORMATION SECURITY MANAGEMENT SYSTEMS - REQUIREMENTS
    ISO 2631-1:1997 Mechanical vibration and shock Evaluation of human exposure to whole-body vibration Part 1: General requirements
    IEC 62424:2016 Representation of process control engineering - Requests in P&I diagrams and data exchange between P&ID tools and PCE-CAE tools
    BS EN 10216-1:2013 (published 2013-12) Seamless steel tubes for pressure purposes. Technical delivery conditions Non-alloy steel tubes with specified room temperature properties
    ISO 1999:2013 Acoustics Estimation of noise-induced hearing loss
    BS EN 50015 : 1998 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - OIL IMMERSION 'O'
    BS EN 837-1 : 1998 PRESSURE GAUGES - PART 1: BOURDON TUBE PRESSURE GAUGES - DIMENSIONS, METROLOGY, REQUIREMENTS AND TESTING
    119999/5/EC : 1999 DIRECTIVE 1999/5/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 9 MARCH 1999 ON RADIO EQUIPMENT AND TELECOMMUNICATIONS TERMINAL EQUIPMENT AND THE MUTUAL RECOGNITION OF THEIR CONFORMITY
    BS 25999-2:2007 (published 2007-11) Business continuity management Specification
    BS EN 61131-2 : 2007 PROGRAMMABLE CONTROLLERS - PART 2: EQUIPMENT REQUIREMENTS AND TESTS
    BS EN 60801-2:1993 (published 1993-06) Electromagnetic compatibility for industrial-process measurement and control equipment Electrostatic discharge requirements
    BS EN 1127-2:2014 EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 2: BASIC CONCEPTS AND METHODOLOGY FOR MINING
    BS EN 61987-1 : 2007 INDUSTRIAL-PROCESS MEASUREMENT AND CONTROL - DATA STRUCTURES AND ELEMENTS IN PROCESS EQUIPMENT CATALOGUES - PART 1: MEASURING EQUIPMENT WITH ANALOGUE AND DIGITAL OUTPUT
    BS 7071(1992) : 1992 SPECIFICATION FOR PORTABLE RESIDUAL CURRENT DEVICES
    BS EN 10217-1:2002 WELDED STEEL TUBES FOR PRESSURE PURPOSES - TECHNICAL DELIVERY CONDITIONS - PART 1: NON-ALLOY STEEL TUBES WITH SPECIFIED ROOM TEMPERATURE PROPERTIES
    BS EN 14385 : 2004 STATIONARY SOURCE EMISSIONS - DETERMINATION OF THE TOTAL EMISSION OF AS, CD, CR, CO, CU, MN, NI, PB, SB, TI AND V
    BS 5499-1(2002) : 2002 GRAPHICAL SYMBOLS AND SIGNS - SAFETY SIGNS, INCLUDING FIRE SAFETY SIGNS - PART 1: SPECIFICATION FOR GEOMETRIC SHAPES, COLOURS AND LAYOUT
    BS PD5500(2009) : 2009 SPECIFICATION FOR UNFIRED FUSION WELDED PRESSURE VESSELS
    1998/37/EC : 1998 DIRECTIVE 98/37/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 22 JUNE 1998 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES RELATING TO MACHINERY
    BS EN 1127-1:2011 Explosive atmospheres. Explosion prevention and protection Basic concepts and methodology
    BS EN 62305-4:2011 Protection against lightning Electrical and electronic systems within structures
    BS EN 207:2017 (published 2017-03) Personal eye-protection equipment. Filters and eye-protectors against laser radiation (laser eye-protectors)
    BS ISO 10396 : 2007 STATIONARY SOURCE EMISSIONS - SAMPLING FOR THE AUTOMATED DETERMINATION OF GAS EMISSION CONCENTRATIONS FOR PERMANENTLY-INSTALLED MONITORING SYSTEMS
    BS EN 60751:2008 Industrial platinum resistance thermometers and platinum temperature sensors
    BS EN 61326-3-1:2008 ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL AND LABORATORY USE - EMC REQUIREMENTS - PART 3-1: IMMUNITY REQUIREMENTS FOR SAFETY-RELATED SYSTEMS AND FOR EQUIPMENT INTENDED TO PERFORM SAFETY-RELATED FUNCTIONS (FUNCTIONAL SAFETY) - GENERAL INDUSTRIAL APPLICATIONS
    BS EN 15267-3:2007 Air quality. Certification of automated measuring systems Performance criteria and test procedures for automated measuring systems for monitoring emissions from stationary sources
    BS EN ISO 4126-1 : 2013 SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 1: SAFETY VALVES (ISO 4126-1:2013)
    BS EN 13284-1:2002 STATIONARY SOURCE EMISSIONS - DETERMINATION OF LOW RANGE MASS CONCENTRATION OF DUST - PART 1: MANUAL GRAVIMETRIC METHOD
    BS EN 50020:2002 (published 2006-07) Electrical apparatus for potentially explosive atmospheres. Intrinsic safety \'i\'
    BS EN 60205 : 2017 CALCULATION OF THE EFFECTIVE PARAMETERS OF MAGNETIC PIECE PARTS
    1994/9/EC : 1994 DIRECTIVE 94/9/EC OF THE EUROPEAN PARLIAMENT AND THE COUNCIL OF 23 MARCH 1994 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES CONCERNING EQUIPMENT AND PROTECTIVE SYSTEMS INTENDED FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES
    BS EN 50018:2000 (published 2006-01) Electrical apparatus for potentially explosive atmospheres. Flameproof enclosure \'d\'
    BS EN 61800-3 : 2004 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 3: EMC REQUIREMENTS AND SPECIFIC TEST METHODS
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