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EN 12693:2008

Current
Current

The latest, up-to-date edition.

Refrigerating systems and heat pumps - Safety and environmental requirements - Positive displacement refrigerant compressors
Published date

05-28-2008

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
  3.6 Symbols
4 List of significant hazards
5 Safety requirements and/or protective measures
  5.1 General
  5.2 Protection of moving parts
  5.3 Safety to prevent loss of stability
  5.4 Safety during handling
  5.5 Safety to prevent rupture or bursting
  5.6 Electrical safety
  5.7 Measures to reduce emissions of substances
6 Verification of safety requirements and/or protective measures
  6.1 General
  6.2 Type test
  6.3 Individual test
7 Marking, graphical symbols, written warnings
  7.1 General
  7.2 Marking
  7.3 Graphical symbols, written warnings and information
8 Documentation and information for the user
  8.1 General
  8.2 Instruction handbook
Annex A (informative) - Basic design criteria for refrigerant
        compressors
Annex B (normative) - Procedure for the design of a refrigerant
        compressor
Annex C (normative) - Materials
Annex D (normative) - Determination of the allowable pressure at
        the maximum operating temperature
Annex E (normative) - Determination of the allowable pressure at
        minimum operating temperature (requirements to avoid brittle
        fracture)
Annex F (informative) - Compilation of material characteristics of
        often used materials
Annex ZA (informative) - Relationship between this European
         Standard and the Essential Requirements of EU Directive
         98/37/EC
Annex ZB (informative) - Relationship between this European
         Standard and the Essential Requirements of EU Directive
         2006/42/EC
Bibliography

This standard applies to positive displacement refrigerant compressors for stationary and mobile refrigerating systems and heat pumps defined in 3.1, hereafter called compressors.It applies for compressors used in commercial and industrial appliances and with electrical energy supply including integral motors, up to 1 000 VAC and 1 500 VDC.It applies to open drive, semi hermetic and hermetic motor compressors, which contain a positive compression function This standard is not applicable to:-compressors used in household appliance for which EN 60335-2-34 applies;-compressors using water or air as refrigerant.This standard does not deal with requirements for vibration and noise.NOTENoise emission depends on the complete installation of the built-in compressors and the corresponding operating conditions.For semi-hermetic and open drive compressors which include moving parts and for which the external envelope is primarily designed for mechanical loads, thermal loads (to limit the possible deformation due to temperature), stiffness of the structure (external mechanical loads and weight of the equipment), taking into account established safe industrial practice, it is considered that pressure is not a significant design factor.Attached parts covering other functions e.g. oil separators, oil coolers, suction accumulators shall comply to EN 14276-1 or EN 13445-6 (cast iron) or prEN 13445-8:2003 (aluminium) or showing compliance to the relevant European requirements. This applies also to shells for hermetic compressors either welded or with any kind of permanent joint.Requirements for compressors used in explosive atmospheres are not covered by this standard.NOTEFor further guidance see EN 13463-1.This standard deals with all significant hazards, hazardous situations and events relevant to compressors, when they are used as indented and under conditions for misuse which are reasonably foreseeable by the manufacturer (see Clause 4).This standard

Committee
CEN/TC 182
DevelopmentNote
Supersedes PREN 12693. (02/2009)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current
Supersedes

Standards Relationship
NEN EN 12693 : 2008 Identical
BS EN 12693:2008 Identical
NF EN 12693 : 2008 Identical
I.S. EN 12693:2008 Identical
UNE-EN 12693:2009 Identical
NS EN 12693 : 1ED 2008 Identical
UNI EN 12693 : 2008 Identical
PN EN 12693 : 2010 Identical
NBN EN 12693 : 2008 Identical
SN EN 12693 : 2008 Identical
DIN EN 12693:2016-10 (Draft) Identical
DIN EN 12693:2008-09 Identical

I.S. EN 16084:2011 REFRIGERATING SYSTEMS AND HEAT PUMPS - QUALIFICATION OF TIGHTNESS OF COMPONENTS AND JOINTS
11/30248111 DC : 0 BS EN 13136 - REFRIGERATING SYSTEMS AND HEAT PUMPS - PRESSURE RELIEF DEVICES AND THEIR ASSOCIATED PIPING - METHODS FOR CALCULATION
13/30273033 DC : 0 BS EN 1012-3 - COMPRESSORS AND VACUUM PUMPS - SAFETY REQUIREMENTS - PART 3: PROCESS COMPRESSORS
PREN 13136 : DRAFT 2011 REFRIGERATING SYSTEMS AND HEAT PUMPS - PRESSURE RELIEF DEVICES AND THEIR ASSOCIATED PIPING - METHODS FOR CALCULATION
I.S. EN ISO 14903:2017 REFRIGERATING SYSTEMS AND HEAT PUMPS - QUALIFICATION OF TIGHTNESS OF COMPONENTS AND JOINTS (ISO 14903:2017)
I.S. EN 1012-3:2013 COMPRESSORS AND VACUUM PUMPS - SAFETY REQUIREMENTS - PART 3: PROCESS COMPRESSORS
I.S. EN 378-2:2016 REFRIGERATING SYSTEMS AND HEAT PUMPS - SAFETY AND ENVIRONMENTAL REQUIREMENTS - PART 2: DESIGN, CONSTRUCTION, TESTING, MARKING AND DOCUMENTATION
DIN EN 13136:2013-12 REFRIGERATING SYSTEMS AND HEAT PUMPS - PRESSURE RELIEF DEVICES AND THEIR ASSOCIATED PIPING - METHODS FOR CALCULATION
UNE-EN 378-2:2017 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation
BS EN 61010-2-011:2017 Safety requirements for electrical equipment for measurement, control, and laboratory use Particular requirements for refrigerating equipment
BS EN 13136 : 2013 REFRIGERATING SYSTEMS AND HEAT PUMPS - PRESSURE RELIEF DEVICES AND THEIR ASSOCIATED PIPING - METHODS FOR CALCULATION
UNI EN 13136 : 2014 REFRIGERATING SYSTEMS AND HEAT PUMPS - PRESSURE RELIEF DEVICES AND THEIR ASSOCIATED PIPING - METHODS FOR CALCULATION
BS EN 16084:2011 Refrigerating systems and heat pumps. Qualification of tightness of components and joints
16/30338439 DC : 0 BS EN ISO 14903 - REFRIGERATING SYSTEMS AND HEAT PUMPS - QUALIFICATION OF TIGHTNESS OF COMPONENTS AND JOINTS
PREN 13215 : DRAFT 2015 CONDENSING UNITS FOR REFRIGERATION - RATING CONDITIONS, TOLERANCES AND PRESENTATION OF MANUFACTURER'S PERFORMANCE DATA
DIN EN 16084:2011-07 REFRIGERATING SYSTEMS AND HEAT PUMPS - QUALIFICATION OF TIGHTNESS OF COMPONENTS AND JOINTS
EN ISO 14903:2017 Refrigerating systems and heat pumps - Qualification of tightness of components and joints (ISO 14903:2017)
I.S. EN 13136:2013 REFRIGERATING SYSTEMS AND HEAT PUMPS - PRESSURE RELIEF DEVICES AND THEIR ASSOCIATED PIPING - METHODS FOR CALCULATION
DIN EN 13215:2015-07 (Draft) CONDENSING UNITS FOR REFRIGERATION - RATING CONDITIONS, TOLERANCES AND PRESENTATION OF MANUFACTURER'S PERFORMANCE DATA
ISO 14903:2017 Refrigerating systems and heat pumps — Qualification of tightness of components and joints
11/30219041 DC : DRAFT APR 2011 BS ISO 14903 - REFRIGERATING SYSTEMS AND HEAT PUMPS - QUALIFICATION OF TIGHTNESS OF COMPONENTS AND JOINTS
13/30291774 DC : 0 BS EN 378-2 - REFRIGERATING SYSTEMS AND HEAT PUMPS - SAFETY AND ENVIRONMENTAL REQUIREMENTS - PART 2: DESIGN, CONSTRUCTION, TESTING, MARKING AND DOCUMENTATION
BS EN 1012-3:2013 Compressors and vacuum pumps. Safety requirements Process compressors
UNE-EN 16084:2011 Refrigerating systems and heat pumps - Qualification of tightness of components and joints
UNE-EN 61010-2-011:2017 Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-011: Particular requirements for refrigerating equipment
I.S. EN 13215:2016 CONDENSING UNITS FOR REFRIGERATION - RATING CONDITIONS, TOLERANCES AND PRESENTATION OF MANUFACTURER'S PERFORMANCE DATA
EN 13215:2016 Condensing units for refrigeration - Rating conditions, tolerances and presentation of manufacturer's performance data
UNI EN 1012-3 : 2014 COMPRESSORS AND VACUUM PUMPS - SAFETY REQUIREMENTS - PART 3: PROCESS COMPRESSORS
BS ISO 14903:2012 Refrigerating systems and heat pumps. Qualification of tightness of components and joints
15/30323331 DC : 0 BS EN 13215 - CONDENSING UNITS FOR REFRIGERATION - RATING CONDITIONS, TOLERANCES AND PRESENTATION OF MANUFACTURER'S PERFORMANCE DATA
NF EN 16084 : 2011 REFRIGERATING SYSTEMS AND HEAT PUMPS - QUALIFICATION OF TIGHTNESS OF COMPONENTS AND JOINTS
PREN 378-2 : DRAFT 2013 REFRIGERATING SYSTEMS AND HEAT PUMPS - SAFETY AND ENVIRONMENTAL REQUIREMENTS - PART 2: DESIGN, CONSTRUCTION, TESTING, MARKING AND DOCUMENTATION
UNI EN 16084 : 2011 REFRIGERATING SYSTEMS AND HEAT PUMPS - QUALIFICATION OF TIGHTNESS OF COMPONENTS AND JOINTS
EN 378-2:2016 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation
EN 13136:2013 Refrigerating systems and heat pumps - Pressure relief devices and their associated piping - Methods for calculation
IEC 61010-2-011:2016 Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-011: Particular requirements for refrigerating equipment
BS EN 13215:2016 Condensing units for refrigeration. Rating conditions, tolerances and presentation of manufacturer\'s performance data
BS EN 378-2:2016 Refrigerating systems and heat pumps. Safety and environmental requirements Design, construction, testing, marking and documentation
UNE-EN 13215:2017 Condensing units for refrigeration - Rating conditions, tolerances and presentation of manufacturer's performance data
EN 16084:2011 Refrigerating systems and heat pumps - Qualification of tightness of components and joints
17/30358655 DC : 0 BS EN 13136 - REFRIGERATING SYSTEMS AND HEAT PUMPS - PRESSURE RELIEF DEVICES AND THEIR ASSOCIATED PIPING - METHODS FOR CALCULATION
BS EN ISO 14903:2017 Refrigerating systems and heat pumps. Qualification of tightness of components and joints
UNE-EN 13136:2014 Refrigerating systems and heat pumps - Pressure relief devices and their associated piping - Methods for calculation
CSA C22.2 No. 61010-2-011 : 2017 SAFETY REQUIREMENTS FOR ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL, AND LABORATORY USE - PART 2-011: PARTICULAR REQUIREMENTS FOR REFRIGERATING EQUIPMENT
I.S. EN 61010-2-011:2017 SAFETY REQUIREMENTS FOR ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL, AND LABORATORY USE - PART 2-011: PARTICULAR REQUIREMENTS FOR REFRIGERATING EQUIPMENT
EN 1012-3:2013 Compressors and vacuum pumps - Safety requirements - Part 3: Process compressors
EN 61010-2-011:2017 Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-011: Particular requirements for refrigerating equipment

EN 294:1992/AC:1993 SAFETY OF MACHINERY - SAFETY DISTANCES TO PREVENT DANGER ZONES BEING REACHED BY THE UPPER LIMBS
EN 10269:2013 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
EN 13480-2:2017 Metallic industrial piping - Part 2: Materials
EN 12284 : 2003 REFRIGERATING SYSTEMS AND HEAT PUMPS - VALVES - REQUIREMENTS, TESTING AND MARKING
ISO 9606-2:2004 Qualification test of welders — Fusion welding — Part 2: Aluminium and aluminium alloys
EN 10025-4:2004 Hot rolled products of structural steels - Part 4: Technical delivery conditions for thermomechanical rolled weldable fine grain structural steels
ISO 3506-1:2009 Mechanical properties of corrosion-resistant stainless steel fasteners Part 1: Bolts, screws and studs
EN 10216-5:2013 Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 5: Stainless steel tubes
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
EN 378-4:2016 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 4: Operation, maintenance, repair and recovery
EN 10028-3:2017 Flat products made of steels for pressure purposes - Part 3: Weldable fine grain steels, normalized
IEC 60947-4-1:2009+AMD1:2012 CSV Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters
ISO 15614-2:2005 Specification and qualification of welding procedures for metallic materials Welding procedure test Part 2: Arc welding of aluminium and its alloys
EN 10273:2016 Hot rolled weldable steel bars for pressure purposes with specified elevated temperature properties
EN 60034-1:2010/corrigendum Oct. 2010 ROTATING ELECTRICAL MACHINES - PART 1: RATING AND PERFORMANCE
EN ISO 3506-1:2009 Mechanical properties of corrosion-resistant stainless steel fasteners - Part 1: Bolts, screws and studs (ISO 3506-1:2009)
EN 378-1:2016 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 1: Basic requirements, definitions, classification and selection criteria
EN 378-3:2016 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 3: Installation site and personal protection
ISO/TR 15608:2017 Welding Guidelines for a metallic materials grouping system
EN 13463-1:2009 Non-electrical equipment for use in potentially explosive atmospheres - Part 1: Basic method and requirements
EN 10088-3:2014 Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes
CR ISO 15608 : 2000 WELDING - GUIDELINES FOR A METALLIC MATERIAL GROUPING SYSTEM
IEC 60204-1:2016 Safety of machinery - Electrical equipment of machines - Part 1: General requirements
EN 10213-2 : 1995 TECHNICAL DELIVERY CONDITIONS FOR STEEL CASTINGS FOR PRESSURE PURPOSES - PART 2: STEEL GRADES FOR USE AT ROOM TEMPERATURE AND ELEVATED TEMPERATURES
EN 10111:2008 Continuously hot rolled low carbon steel sheet and strip for cold forming - Technical delivery conditions
EN 10087:1998 Free-cutting steels - Technical delivery conditions for semi-finished products, hot-rolled bars and rods
EN 10277-2:2008 Bright steel products - Technical delivery conditions - Part 2: Steels for general engineering purposes
EN 1050 : 1996 SAFETY OF MACHINERY - PRINCIPLES FOR RISK ASSESSMENT
EN 14276-1:2006+A1:2011 Pressure equipment for refrigerating systems and heat pumps - Part 1: Vessels - General requirements
EN 10216-2:2013 Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties
EN 764-5:2014 Pressure equipment - Part 5: Inspection documentation of metallic materials and compliance with the material specification
EN 10025-1:2004 Hot rolled products of structural steels - Part 1: General technical delivery conditions
EN 12178:2016 Refrigerating systems and heat pumps - Liquid level indicating devices - Requirements, testing and marking
EN 10028-2:2017 Flat products made of steels for pressure purposes - Part 2: Non-alloy and alloy steels with specified elevated temperature properties
EN 1653:1997/A1:2000 COPPER AND COPPER ALLOYS - PLATE, SHEET AND CIRCLES FOR BOILERS, PRESSURE VESSELS AND HOT WATER STORAGE UNITS
EN 13445-8 : 2014 COR 2017 UNFIRED PRESSURE VESSELS - PART 8: ADDITIONAL REQUIREMENTS FOR PRESSURE VESSELS OF ALUMINIUM AND ALUMINIUM ALLOYS
EN 12449:2016 Copper and copper alloys - Seamless, round tubes for general purposes
EN 10028-7:2016 Flat products made of steels for pressure purposes - Part 7: Stainless steels
EN 10045-1 : 1990 METALLIC MATERIALS - CHARPY IMPACT TEST - PART 1: TEST METHOD
EN 563:1994/A1:1999/AC:2000 SAFETY OF MACHINERY - TEMPERATURES OF TOUCHABLE SURFACES - ERGONOMICS DATA TO ESTABLISH TEMPERATURE LIMIT VALUES FOR HOT SURFACES
ISO 15614-1:2017 Specification and qualification of welding procedures for metallic materials — Welding procedure test — Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys
EN 10207:2017 Steels for simple pressure vessels - Technical delivery requirements for plates, strips and bars
EN 10272:2016 Stainless steel bars for pressure purposes
EN 1779:1999/A1:2003 NON-DESTRUCTIVE TESTING - LEAK TESTING - CRITERIA FOR METHOD AND TECHNIQUE SELECTION
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 ISO 12100-1:2003/A1:2009 SAFETY OF MACHINERY - BASIC CONCEPTS, GENERAL PRINCIPLES FOR DESIGN - PART 1: BASIC TERMINOLOGY, METHODOLOGY
EN 10222-3:2017 Steel forgings for pressure purposes - Part 3: Nickel steels with specified low temperature properties
EN 1706:2010 Aluminium and aluminium alloys - Castings - Chemical composition and mechanical properties
EN 10222-5:2017 Steel forgings for pressure purposes - Part 5: Martensitic, austenitic and austenitic-ferritic stainless steels
EN 60947-4-1 : 2010 AMD 1 2012 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 4-1: CONTACTORS AND MOTOR-STARTERS - ELECTROMECHANICAL CONTACTORS AND MOTOR-STARTERS (IEC 60947-4-1:2009/A1:2012)
IEC 60529:1989+AMD1:1999+AMD2:2013 CSV Degrees of protection provided by enclosures (IP Code)
EN ISO 15614-2:2005 Specification and qualification of welding procedures for metallic materials - Welding procedure test - Part 2: Arc welding of aluminium and its alloys (ISO 15614-2:2005)
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
ISO 4126-2:2003 Safety devices for protection against excessive pressure Part 2: Bursting disc safety devices
EN ISO 9606-2:2004 Qualification test of welders - Fusion welding - Part 2: Aluminium and aluminium alloys (ISO 9606-2:2004)
EN 10222-4:2017 Steel forgings for pressure purposes - Part 4: Weldable fine grain steels with high proof strength
EN 13136:2013 Refrigerating systems and heat pumps - Pressure relief devices and their associated piping - Methods for calculation
EN 10025-5:2004 Hot rolled products of structural steels - Part 5: Technical delivery conditions for structural steels with improved atmospheric corrosion resistance
EN 10222-2:2017 Steel forgings for pressure purposes - Part 2: Ferritic and martensitic steels with specified elevated temperatures properties
EN 10204:2004 Metallic products - Types of inspection documents
ISO 12100-2:2003 Safety of machinery Basic concepts, general principles for design Part 2: Technical principles
EN 10213-3 : 1995 TECHNICAL DELIVERY CONDITIONS FOR STEEL CASTINGS FOR PRESSURE PURPOSES - PART 3: STEEL GRADES FOR USE AT LOW TEMPERATURES
IEC 60034-1:2017 Rotating electrical machines - Part 1: Rating and performance
EN ISO 12100-2:2003/A1:2009 SAFETY OF MACHINERY - BASIC CONCEPTS, GENERAL PRINCIPLES FOR DESIGN - PART 2: TECHNICAL PRINCIPLES
EN 10025-2:2004/AC:2005 HOT ROLLED PRODUCTS OF STRUCTURAL STEELS - PART 2: TECHNICAL DELIVERY CONDITIONS FOR NON-ALLOY STRUCTURAL STEELS
EN 12392:2016 Aluminium and aluminium alloys - Wrought products and cast products - Special requirements for products intended for the production of pressure equipment
EN 1563:2011 Founding - Spheroidal graphite cast irons
EN 10130:2006 Cold rolled low carbon steel flat products for cold forming - Technical delivery conditions
EN 10025-6:2004+A1:2009 Hot rolled products of structural steels - Part 6: Technical delivery conditions for flat products of high yield strength structural steels in the quenched and tempered condition
ISO 12100-1:2003 Safety of machinery Basic concepts, general principles for design Part 1: Basic terminology, methodology
EN 61010-1:2010 Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 1: General requirements
EN 60529:1991/AC:2016-12 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015)
EN 10216-4:2013 Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 4: Non-alloy and alloy steel tubes with specified low temperature properties
EN 837-1:1996/AC:1998 PRESSURE GAUGES - BOURDON TUBE PRESSURE GAUGES - DIMENSIONS, METROLOGY, REQUIREMENTS AND TESTING
EN 12516-2:2014 Industrial valves - Shell design strength - Part 2: Calculation method for steel valve shells
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
ISO 15607:2003 Specification and qualification of welding procedures for metallic materials General rules
EN 10213-4 : 1995 TECHNICAL DELIVERY CONDITIONS FOR STEEL CASTINGS FOR PRESSURE PURPOSES - PART 4: AUSTENITIC AND AUSTENITIC-FERRITIC STEEL GRADES
EN 837-3:1996 Pressure gauges - Part 3: Diaphragm and capsule pressure gauges - Dimensions, metrology, requirements and testing
IEC 61010-1:2010+AMD1:2016 CSV Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 1: General requirements
ISO 3506-2:2009 Mechanical properties of corrosion-resistant stainless steel fasteners Part 2: Nuts
EN 10025-3:2004 Hot rolled products of structural steels - Part 3: Technical delivery conditions for normalized/normalized rolled weldable fine grain structural steels
EN 378-2:2016 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation
EN 573-3:2013 Aluminium and aluminium alloys - Chemical composition and form of wrought products - Part 3: Chemical composition and form of products
EN 764-4:2014 Pressure equipment - Part 4: Establishment of technical delivery conditions for metallic materials
EN 1652:1997/AC:2003 COPPER AND COPPER ALLOYS - PLATE, SHEET, STRIP AND CIRCLES FOR GENERAL PURPOSES
EN ISO 15607:2003 Specification and qualification of welding procedures for metallic materials - General rules (ISO 15607:2003)
EN 1561:2011 Founding - Grey cast irons
EN ISO 4126-2:2003/AC:2006 SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 2: BURSTING DISC SAFETY DEVICES
EN 10216-3:2013 Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 3: Alloy fine grain steel tubes
EN 60204-1 : 2006 COR 2010 SAFETY OF MACHINERY - ELECTRICAL EQUIPMENT OF MACHINES - PART 1: GENERAL REQUIREMENTS
EN ISO 3506-2:2009 Mechanical properties of corrosion-resistant stainless steel fasteners - Part 2: Nuts (ISO 3506-2:2009)
EN 287-1:2011 Qualification test of welders - Fusion welding - Part 1: Steels

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