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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    BS EN 1012-3 - COMPRESSORS AND VACUUM PUMPS - SAFETY REQUIREMENTS - PART 3: PROCESS COMPRESSORS

    Available format(s):  Hardcopy, PDF

    Superseded date:  30-11-2013

    Language(s):  English

    Published date: 

    Publisher:  British Standards Institution

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 List of significant hazards - Hazard analysis and risk
      assessment
    5 Safety requirements and/or protective measures
    6 Verification of safety requirements and/or protective
      measures
    7 Information for use
    Annex A (informative) - Graphical symbols
    Annex B (informative) - Measure to ensure a safety function
            while testing a safety device (example)
    Annex C (informative) - Guide to the application of current
            standards to the functional safety on safety
            related control of process compressors or
            compressor units
    Annex ZA (informative) - Relationship between this
             European Standard and the Essential Requirements
             of EU Directive 2006/42/EC
    Bibliography

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

    Comment Closes On
    Committee MCE/8/-/1
    Document Type Draft
    Publisher British Standards Institution
    Status Superseded
    Superseded By

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

    ISA TR84.00.02-5 : 2002 SAFETY INSTRUMENTED FUNCTIONS (SIF) - SAFETY INTEGRITY LEVEL (SIL) EVALUATION TECHNIQUES - PART 5: DETERMINING THE PFD OF SIS LOGIC SOLVERS VIA MARKOV ANALYSIS
    EN 61508-6:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 6: Guidelines on the application of IEC 61508-2 and IEC 61508-3
    EN 1127-1:2011 Explosive atmospheres - Explosion prevention and protection - Part 1: Basic concepts and methodology
    EN 61511-2:2017 Functional safety - Safety instrumented systems for the process industry sector - Part 2: Guidelines for the application of IEC 61511-1
    ISO 13707:2000 Petroleum and natural gas industries Reciprocating compressors
    IEC 60079-1:2014 RLV Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures "d"
    EN 61508-3:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 3: Software requirements
    ISO 4126-9:2008 Safety devices for protection against excessive pressure Part 9: Application and installation of safety devices excluding stand-alone bursting disc safety devices
    ISA 91.00.01 : 2001 IDENTIFICATION OF EMERGENCY SHUTDOWN SYSTEMS AND CONTROLS THAT ARE CRITICAL TO MAINTAINING SAFETY IN PROCESS INDUSTRIES
    EN 1514-1:1997 Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 1: Non-metallic flat gaskets with or without inserts
    ISO 7010:2011 Graphical symbols Safety colours and safety signs Registered safety signs
    EN ISO 15667 : 2000 ACOUSTICS - GUIDELINES FOR NOISE CONTROL BY ENCLOSURES AND CABINS
    IEC 61000-6-4:2006+AMD1:2010 CSV ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 6-4: GENERIC STANDARDS - EMISSION STANDARD FOR INDUSTRIAL ENVIRONMENTS
    ISA TR84.00.02-4 : 2002 SAFETY INSTRUMENTED FUNCTIONS (SIF) - SAFETY INTEGRITY LEVEL (SIL) EVALUATION TECHNIQUES - PART 4: DETERMINING THE SIL OF A SIF VIA MARKOV ANALYSIS
    EN ISO 15156-1:2015 Petroleum and natural gas industries - Materials for use in H2S-containing environments in oil and gas production - Part 1: General principles for selection of cracking-resistant materials (ISO 15156-1:2015)
    EN 982:1996+A1:2008 Safety of machinery - Safety requirements for fluid power systems and their components - Hydraulics
    ISO 14122-3:2016 Safety of machinery — Permanent means of access to machinery — Part 3: Stairs, stepladders and guard-rails
    ISO 14122-1:2016 Safety of machinery — Permanent means of access to machinery — Part 1: Choice of fixed means and general requirements of access
    EN 13155:2003+A2:2009 Cranes - Safety - Non-fixed load lifting attachments
    EN ISO 14163 : 1998 ACOUSTICS - GUIDELINES FOR NOISE CONTROL BY SILENCERS
    EN 13445-5 : 2014 COR 2017 UNFIRED PRESSURE VESSELS - PART 5: INSPECTION AND TESTING
    EN 61508-1:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 1: General requirements
    EN 60079-1:2014 Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures "d"
    EN 12021:2014 Respiratory equipment - Compressed gases for breathing apparatus
    EN 1088:1995+A2:2008 Safety of machinery - Interlocking devices associated with guards - Principles for design and selection
    IEC 60417-1:2002 Graphical symbols for use on equipment - Part 1: Overview and application
    IEC 61310-2:2007 Safety of machinery - Indication, marking and actuation - Part 2: Requirements for marking
    EN 13445-6 : 2014 COR 2017 UNFIRED PRESSURE VESSELS - PART 6: REQUIREMENTS FOR THE DESIGN AND FABRICATION OF PRESSURE VESSELS AND PRESSURE PARTS CONSTRUCTED FROM SPHEROIDAL GRAPHITE CAST IRON
    ISO 4126-1:2013 Safety devices for protection against excessive pressure Part 1: Safety valves
    ISO/TR 11688-1:1995 Acoustics Recommended practice for the design of low-noise machinery and equipment Part 1: Planning
    EN 61508-7:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 7: Overview of techniques and measures
    IEC 61511-1:2016+AMD1:2017 CSV Functional safety - Safety instrumented systems for the process industry sector - Part 1: Framework, definitions, system, hardware and application programming requirements
    VDMA 4315-5 : 2013 TURBOMACHINERY AND GENERATORS - APPLICATION OF THE PRINCIPLES OF FUNCTIONAL SAFETY - PART 5: RISK ASSESSMENT STEAM TURBINES
    EN 61310-2:2008 Safety of machinery - Indication, marking and actuation - Part 2: Requirements for marking
    EN 60079-0:2012/A11:2013 EXPLOSIVE ATMOSPHERES - PART 0: EQUIPMENT - GENERAL REQUIREMENTS (IEC 60079-0:2011, MODIFIED)
    ISO/TR 23849:2010 Guidance on the application of ISO 13849-1 and IEC 62061 in the design of safety-related control systems for machinery
    EN 12195-1:2010/AC:2014 LOAD RESTRAINING ON ROAD VEHICLES - SAFETY - PART 1: CALCULATION OF SECURING FORCES
    ISO 15667:2000 Acoustics Guidelines for noise control by enclosures and cabins
    ISO 13732-1:2006 Ergonomics of the thermal environment — Methods for the assessment of human responses to contact with surfaces — Part 1: Hot surfaces
    ISO 4413:2010 Hydraulic fluid power General rules and safety requirements for systems and their components
    EN 13861:2011 Safety of machinery - Guidance for the application of ergonomics standards in the design of machinery
    EN 13463-1:2009 Non-electrical equipment for use in potentially explosive atmospheres - Part 1: Basic method and requirements
    EN 349:1993+A1:2008 Safety of machinery - Minimum gaps to avoid crushing of parts of the human body
    EN 12874 : 2001 FLAME ARRESTERS - PERFORMANCE REQUIREMENTS, TEST METHODS AND LIMITS FOR USE
    EN 13478:2001+A1:2008 Safety of machinery - Fire prevention and protection
    EN ISO 3266:2010/A1:2015 FORGED STEEL EYEBOLTS GRADE 4 FOR GENERAL LIFTING PURPOSES (ISO 3266:2010+A1:2015)
    ISO 2151:2004 Acoustics Noise test code for compressors and vacuum pumps Engineering method (Grade 2)
    IEC 60204-1:2016 Safety of machinery - Electrical equipment of machines - Part 1: General requirements
    EN 61310-3:2008 Safety of machinery - Indication, marking and actuation - Part 3: Requirements for the location and operation of actuators
    EN 547-1:1996+A1:2008 Safety of machinery - Human body measurements - Part 1: Principles for determining the dimensions required for openings for whole body access into machinery
    EN ISO 13850:2015 Safety of machinery - Emergency stop function - Principles for design (ISO 13850:2015)
    VDMA 4315-6 : 2013 TURBOMACHINERY AND GENERATORS - APPLICATION OF THE PRINCIPLES OF FUNCTIONAL SAFETY - PART 6: RISK ASSESSMENT GAS TURBINES
    EN 1005-2:2003+A1:2008 Safety of machinery - Human physical performance - Part 2: Manual handling of machinery and component parts of machinery
    IEC 61310-3:2007 Safety of machinery - Indication, marking and actuation - Part 3: Requirements for the location and operation of actuators
    IEC 61508-5:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 5: Examples of methods for the determination of safety integrity levels (see Functional Safety and IEC 61508)
    IEC 60204-11:2000 Safety of machinery - Electrical equipment of machines - Part 11: Requirements for HV equipment for voltages above 1 000 V a.c. or 1 500 V d.c. and not exceeding 36 kV
    EN 60417-1:2002 GRAPHICAL SYMBOLS FOR USE ON EQUIPMENT - PART 1: OVERVIEW AND APPLICATION
    IEC 61078:2016 Reliability block diagrams
    ISA TR84.00.02-3 : 2002 SAFETY INSTRUMENTED FUNCTIONS (SIF) - SAFETY INTEGRITY LEVEL (SIL) EVALUATION TECHNIQUES - PART 3: DETERMINING THE SIL OF A SIF VIA FAULT TREE ANALYSIS
    IEC 61165:2006 Application of Markov techniques
    IEC 61508-4:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 4: Definitions and abbreviations (see Functional Safety and IEC 61508)
    ISO 8573-2:2007 Compressed air Part 2: Test methods for oil aerosol content
    IEC 61508-3:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 3: Software requirements (see Functional Safety and IEC 61508)
    EN 62502 : 2010 ANALYSIS TECHNIQUES FOR DEPENDABILITY - EVENT TREE ANALYSIS (ETA)
    EN 614-1:2006+A1:2009 Safety of machinery - Ergonomic design principles - Part 1: Terminology and general principles
    EN 1012-1:2010 Compressors and vacuum pumps - Safety requirements - Part 1: Air compressors
    EN ISO 13857:2008 Safety of machinery - Safety distances to prevent hazard zones being reached by upper and lower limbs (ISO 13857:2008)
    EN ISO 11688-2 : 2000 ACOUSTICS - RECOMMENDED PRACTICE FOR THE DESIGN OF LOW-NOISE MACHINERY AND EQUIPMENT - PART 2: INTRODUCTION TO THE PHYSICS OF LOW-NOISE DESIGN
    EN 13463-6:2005 Non-electrical equipment for use in potentially explosive atmospheres - Part 6: Protection by control of ignition source 'b'
    EN 61078 : 1991 RELIABILITY BLOCK DIAGRAMS (IEC 61078:2016)
    ISO 12100:2010 Safety of machinery — General principles for design — Risk assessment and risk reduction
    ISO 14122-4:2016 Safety of machinery — Permanent means of access to machinery — Part 4: Fixed ladders
    ISO 5389:2005 Turbocompressors — Performance test code
    ISO 1217:2009 Displacement compressors Acceptance tests
    IEC 62502:2010 Analysis techniques for dependability - Event tree analysis (ETA)
    VDMA 4315-8 : 2016 TURBOMACHINERY AND GENERATORS - APPLICATION OF THE PRINCIPLES OF FUNCTIONAL SAFETY - PART 8: RISK ASSESSMENT HYDROGEN COOLED GENERATORS
    EN ISO 13732-1:2008 Ergonomics of the thermal environment - Methods for the assessment of human responses to contact with surfaces - Part 1: Hot surfaces (ISO 13732-1:2006)
    EN 61165:2006 Application of Markov techniques
    EN ISO 2151:2008 Acoustics - Noise test code for compressors and vacuum pumps - Engineering method (Grade 2) (ISO 2151:2004)
    NACE MR 01 75 : 2003 METALS FOR SULFIDE STRESS CRACKING AND STRESS CORROSION CRACKING RESISTANCE IN SOUR OILFIELD ENVIRONMENTS
    ISO 8573-1:2010 Compressed air Part 1: Contaminants and purity classes
    ISO 8573-3:1999 Compressed air Part 3: Test methods for measurement of humidity
    EN 13001-2:2014 Crane safety - General design - Part 2: Load actions
    EN 764-7:2002/AC:2006 PRESSURE EQUIPMENT - PART 7: SAFETY SYSTEMS FOR UNFIRED PRESSURE EQUIPMENT
    EN 61508-2:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 2: Requirements for electrical/electronic/programmable electronic safety-related systems
    IEC 60335-2-34:2012+AMD1:2015+AMD2:2016 CSV Household and similar electrical appliances - Safety - Part 2-34:Particular requirements for motor-compressors
    EN 61511-3:2017 Functional safety - Safety instrumented systems for the process industry sector - Part 3: Guidance for the determination of the required safety integrity levels
    ISO 21789:2009 Gas turbine applications — Safety
    ISO 3857-2:1977 Compressors, pneumatic tools and machines — Vocabulary — Part 2: Compressors
    IEC 61511-3:2016 Functional safety - Safety instrumented systems for the process industry sector - Part 3: Guidance for the determination of the required safety integrity levels
    EN 15198:2007 Methodology for the risk assessment of non-electrical equipment and components for intended use in potentially explosive atmospheres
    EN ISO 14122-3:2016 Safety of machinery - Permanent means of access to machinery - Part 3: Stairs, stepladders and guard-rails (ISO 14122-3:2016)
    EN 12693:2008 Refrigerating systems and heat pumps - Safety and environmental requirements - Positive displacement refrigerant compressors
    EN 61000-6-2:2005/corrigendum:2005 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 6-2: GENERIC STANDARDS - IMMUNITY FOR INDUSTRIAL ENVIRONMENTS (IEC 61000-6-2:2005)
    ISO 3857-1:1977 Compressors, pneumatic tools and machines — Vocabulary — Part 1: General
    EN 953:1997+A1:2009 Safety of machinery - Guards - General requirements for the design and construction of fixed and movable guards
    EN 60335-2-34:2013 Household and similar electrical appliances - Safety - Part 2-34: Particular requirements for motor-compressors
    EN 12640:2000 Securing of cargo on road vehicles - Lashing points on commercial vehicles for goods transportation - Minimum requirements and testing
    EN 13309:2010 Construction machinery - Electromagnetic compatibility of machines with internal power supply
    EN 61000-6-4:2007/A1:2011 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 6-4: GENERIC STANDARDS - EMISSION STANDARD FOR INDUSTRIAL ENVIRONMENTS
    EN ISO 4414:2010 Pneumatic fluid power - General rules and safety requirements for systems and their components (ISO 4414:2010)
    EN ISO 14122-4:2016 Safety of machinery - Permanent means of access to machinery - Part 4: Fixed ladders (ISO 14122-4:2016)
    EN 62061:2005/A2:2015 SAFETY OF MACHINERY - FUNCTIONAL SAFETY OF SAFETY-RELATED ELECTRICAL, ELECTRONIC AND PROGRAMMABLE ELECTRONIC CONTROL SYSTEMS (IEC 62061:2005/A2:2015)
    EN ISO 14122-2:2016 Safety of machinery - Permanent means of access to machinery - Part 2: Working platforms and walkways (ISO 14122-2:2016)
    EN 61508-5:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 5: Examples of methods for the determination of safety integrity levels
    ISO 13849-2:2012 Safety of machinery — Safety-related parts of control systems — Part 2: Validation
    IEC 60079-0:2011 Explosive atmospheres - Part 0: Equipment - General requirements
    IEC 61511-2:2016 Functional safety - Safety instrumented systems for the process industry sector - Part 2: Guidelines for the application of IEC 61511-1:2016
    ISO 13857:2008 Safety of machinery Safety distances to prevent hazard zones being reached by upper and lower limbs
    IEC 60079-14:2013 Explosive atmospheres - Part 14: Electrical installations design, selection and erection
    ISO 15156-1:2015 Petroleum and natural gas industries Materials for use in H2S-containing environments in oil and gas production Part 1: General principles for selection of cracking-resistant materials
    EN ISO 13732-3:2008 Ergonomics of the thermal environment - Methods for the assessment of human responses to contact with surfaces - Part 3: Cold surfaces (ISO 13732-3:2005)
    EN ISO 12100:2010 Safety of machinery - General principles for design - Risk assessment and risk reduction (ISO 12100:2010)
    ISO 14163:1998 Acoustics — Guidelines for noise control by silencers
    VDMA 4315-7 : 2013 TURBOMACHINERY AND GENERATORS - APPLICATION OF THE PRINCIPLES OF FUNCTIONAL SAFETY - PART 7: RISK ASSESSMENT COMPRESSOR TRAIN
    ISO 3864-1:2011 Graphical symbols Safety colours and safety signs Part 1: Design principles for safety signs and safety markings
    EN 60204-11:2000/corrigendum:2010 SAFETY OF MACHINERY - ELECTRICAL EQUIPMENT OF MACHINES - PART 11: REQUIREMENTS FOR HV EQUIPMENT FOR VOLTAGES ABOVE 1000 V A.C. OR 1500 V D.C. AND NOT EXCEEDING 36 KV
    ISO 3266:2010 Forged steel eyebolts grade 4 for general lifting purposes
    EN 60079-14:2014/AC:2016 EXPLOSIVE ATMOSPHERES - PART 14: ELECTRICAL INSTALLATIONS DESIGN, SELECTION AND ERECTION (IEC 60079-14:2013/COR1:2016)
    EN ISO 13849-2:2012 Safety of machinery - Safety-related parts of control systems - Part 2: Validation (ISO 13849-2:2012)
    EN 983:1996+A1:2008 Safety of machinery - Safety requirements for fluid power systems and their components - Pneumatics
    ISO 10440-1:2007 Petroleum, petrochemical and natural gas industries — Rotary-type positive-displacement compressors — Part 1: Process compressors
    EN ISO 13849-1:2015 Safety of machinery - Safety-related parts of control systems - Part 1: General principles for design (ISO 13849-1:2015)
    ISO 4414:2010 Pneumatic fluid power General rules and safety requirements for systems and their components
    ISO 13850:2015 Safety of machinery Emergency stop function Principles for design
    IEC 61508-6:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 6: Guidelines on the application of IEC 61508-2 and IEC 61508-3 (see Functional Safety and IEC 61508)
    IEC 61310-1:2007 Safety of machinery - Indication, marking and actuation - Part 1: Requirements for visual, acoustic and tactile signals
    VDMA 4315-1 : 2013 TURBOMACHINERY AND GENERATORS - APPLICATION OF THE PRINCIPLES OF FUNCTIONAL SAFETY - PART 1: METHODS FOR DETERMINATION OF THE NECESSARY RISK REDUCTION
    EN 626-1:1994+A1:2008 Safety of machinery - Reduction of risks to health from hazardous substances emitted by machinery - Part 1: Principles and specifications for machinery manufacturers
    ISA TR84.00.02-2 : 2002 SAFETY INSTRUMENTED FUNCTIONS (SIF) - SAFETY INTEGRITY LEVEL (SIL) EVALUATION TECHNIQUES - PART 2: DETERMINING THE SIL OF A SIF VIA SIMPLIFIED EQUATIONS
    EN 1005-3:2002+A1:2008 Safety of machinery - Human physical performance - Part 3: Recommended force limits for machinery operation
    EN 13463-5:2011 Non-electrical equipment intended for use in potentially explosive atmospheres - Part 5: Protection by constructional safety 'c'
    IEC 61508-1:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 1: General requirements (see Functional Safety and IEC 61508)
    ISO 7000:2014 Graphical symbols for use on equipment Registered symbols
    IEC 62061:2005+AMD1:2012+AMD2:2015 CSV Safety of machinery - Functional safety of safety-related electrical, electronic and programmable electronic control systems
    EN 837-1:1996/AC:1998 PRESSURE GAUGES - BOURDON TUBE PRESSURE GAUGES - DIMENSIONS, METROLOGY, REQUIREMENTS AND TESTING
    ISO 13732-3:2005 Ergonomics of the thermal environment Methods for the assessment of human responses to contact with surfaces Part 3: Cold surfaces
    EN 837-2:1997 Pressure gauges - Part 2: Selection and installation recommendations for pressure gauges
    EN ISO 4413:2010 Hydraulic fluid power - General rules and safety requirements for systems and their components (ISO 4413:2010)
    ISO 14122-2:2016 Safety of machinery — Permanent means of access to machinery — Part 2: Working platforms and walkways
    ISO 8573-4:2001 Compressed air Part 4: Test methods for solid particle content
    IEC 61508-7:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 7: Overview of techniques and measures (see Functional Safety and IEC 61508)
    EN 837-3:1996 Pressure gauges - Part 3: Diaphragm and capsule pressure gauges - Dimensions, metrology, requirements and testing
    EN ISO 11688-1:2009 Acoustics - Recommended practice for the design of low-noise machinery and equipment - Part 1: Planning (ISO/TR 11688-1:1995)
    EN ISO 14122-1:2016 Safety of machinery - Permanent means of access to machinery - Part 1: Choice of fixed means and general requirements of access (ISO 14122-1:2016)
    ISO 13849-1:2015 Safety of machinery — Safety-related parts of control systems — Part 1: General principles for design
    ISO/TR 11688-2:1998 Acoustics Recommended practice for the design of low-noise machinery and equipment Part 2: Introduction to the physics of low-noise design
    EN 61310-1:2008 Safety of machinery - Indication, marking and actuation - Part 1: Requirements for visual, acoustic and tactile signals
    IEC 61000-6-2 : 3.0:2016 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 6-2: GENERIC STANDARDS - IMMUNITY STANDARD FOR INDUSTRIAL ENVIRONMENTS
    EN ISO 7010 : 2012 AMD 7 2017 GRAPHICAL SYMBOLS - SAFETY COLOURS AND SAFETY SIGNS - REGISTERED SAFETY SIGNS (ISO 7010:2011/AMD 7:2016)
    IEC 61508-2:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 2: Requirements for electrical/electronic/programmable electronic safety-related systems (see Functional Safety and IEC 61508)
    EN 286-1:1998/A2:2005 SIMPLE UNFIRED PRESSURE VESSELS DESIGNED TO CONTAIN AIR OR NITROGEN - PART 1: PRESSURE VESSELS FOR GENERAL PURPOSES
    DIN 4844-2:2012-12 Graphical symbols - Safety colours and safety signs - Part 2: Registered safety signs
    EN ISO 10439:2002 Petroleum, chemical and gas service industries - Centrifugal compressors (ISO 10439:2002)
    EN ISO 4126-1:2013/A1:2016 SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 1: SAFETY VALVES (ISO 4126-1:2013/AMD 1:2016)
    ISA TR84.00.02-1 : 2002 SAFETY INSTRUMENTED FUNCTIONS (SIF) - SAFETY INTEGRITY LEVEL (SIL) EVALUATION TECHNIQUES - PART 1: INTRODUCTION
    ISO 3864-4:2011 Graphical symbols Safety colours and safety signs Part 4: Colorimetric and photometric properties of safety sign materials
    EN 60204-1 : 2006 COR 2010 SAFETY OF MACHINERY - ELECTRICAL EQUIPMENT OF MACHINES - PART 1: GENERAL REQUIREMENTS
    EN 61508-4:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 4: Definitions and abbreviations
    ISO 10439:2002 Petroleum, chemical and gas service industries Centrifugal compressors
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