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  • EN 50016:2002

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Electrical apparatus for potentially explosive atmospheres - Pressurized apparatus "p"

    Available format(s): 

    Superseded date:  01-06-2004

    Language(s): 

    Published date:  17-07-2002

    Publisher:  European Committee for Standards - Electrical

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

    1 Scope
    2 Normative references
    3 Definitions
    REQUIREMENTS FOR PRESSURIZED ENCLOSURES
    4 Enclosures and ducting
    5 Temperature limits
    6 Safety provisions and safety devices (except for static
       pressurization)
    7 Safety provisions and safety devices for static
       pressurization
    8 Supply of protective gas
    ADDITIONAL REQUIREMENTS FOR PRESSURIZED ENCLOSURES WITH
    CONTAINMENT SYSTEMS
    9 Introduction
    10 Release conditions
    11 Design requirements for the containment system
    12 Protective gas and pressurizing technique
    13 Ignition capable apparatus
    14 Internal hot surfaces
    VERIFICATION AND TESTS
    15 Type verification and tests
    16 Routine tests
    MARKING
    17 Marking
    ANNEXES
    Annex A (informative) Ducting of protective gas
    Annex B (informative) Infallibility test for a containment
            system
    Annex C (informative) Function test of surveillance circuits
    Annex D (normative) Purging and dilution tests

    Abstract - (Show below) - (Hide below)

    Specifies the requirements for the construction and testing of pressurized and purged electrical apparatus and "Ex" components forming part of the pressurized apparatus, with type of protection 'p', intended for use in potentially explosive atmospheres of gas vapour and mist.

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

    Committee CLC/TC 31
    Development Note To be read in conjunction with EN 50014 (09/2002)
    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Superseded
    Superseded By
    Supersedes

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

    IEEE 303-2004 IEEE Recommended Practice for Auxiliary Devices for Rotating Electrical Machines in Class I, Division 2 and Zone 2 Locations
    DIN EN 50014 : 2000 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GENERAL REQUIREMENTS
    BS EN 50019:2000 Electrical apparatus for potentially explosive atmospheres. Increased safety \'e\'
    02/710618 DC : DRAFT SEP 2002 BS EN 13852-2 - CRANES - OFFSHORE CRANES - PART 2: FLOATING CRANES
    BS EN 50381:2004 Transportable ventilated rooms with or without an internal source of release
    BS EN 50054:1999 Electrical apparatus for the detection and measurement of combustible gases. General requirements and test methods
    BS 7924:1999 Code of practice for the repair and overhaul of certified electrical apparatus intended for use in mines susceptible to firedamp
    04/30115503 DC : DRAFT JUN 2004 EN 14986 - DESIGN OF FANS WORKING IN POTENTIALLY EXPLOSIVE ATMOSPHERES
    DD ENV 50269:1997 Assessment and representative testing of high-voltage machines
    I.S. EN 50019:2001 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INCREASED SAFETY "E"
    DIN EN 12012-3:2010-02 PLASTICS AND RUBBER MACHINES - SIZE REDUCTION MACHINES - PART 3: SAFETY REQUIREMENTS FOR SHREDDERS
    EN 12405 : 2002 GAS METERS - GAS-VOLUME ELECTRONIC CONVERSION DEVICES
    HD 637 S1:1999/corrigendum:2005 POWER INSTALLATIONS EXCEEDING 1 KV A.C.
    EN 50381 : 2004 COR 2005 TRANSPORTABLE VENTILATED ROOMS WITH OR WITHOUT AN INTERNAL SOURCE OF RELEASE
    EN 12215:2004+A1:2009 Coating plants - Spray booths for application of organic liquid coating materials - Safety requirements
    EN 50073:1999 Guide for selection, installation, use and maintenance of apparatus for the detection and measurement of combustible gases or oxygen
    EN 12012-3:2001+A1:2008 Plastics and rubber machines - Size reduction machines - Part 3: Safety requirements for shredders
    EN 12012-2:2001+A2:2008 Plastics and rubber machines - Size reduction machines - Part 2: Safety requirements for strand pelletisers
    EN 50014:1997/A2:1999 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GENERAL REQUIREMENTS
    EN 50054:1998 Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods
    BS EN ISO 8230-3:2008 Safety requirements for dry-cleaning machines Machines using combustible solvents
    I.S. EN 45510-2-5:2002 GUIDE FOR PROCUREMENT OF POWER STATION EQUIPMENT - PART 2-5: ELECTRICAL EQUIPMENT - MOTORS
    02/564413 DC : DRAFT OCT 2002 PREN 14583 - WORKPLACE ATMOSPHERES - VOLUMETRIC BIOAEROSOL SAMPLING DEVICES - REQUIREMENTS AND TEST METHODS
    UNI EN ISO 8230-3 : 2009 SAFETY REQUIREMENTS FOR DRY-CLEANING MACHINES - PART 3: MACHINES USING COMBUSTIBLE SOLVENTS
    I.S. EN 12405:2002 GAS METERS - GAS-VOLUME ELECTRONIC CONVERSION DEVICES
    94/713480 DC : DRAFT NOV 1994 PREN 1710 - MACHINES FOR UNDERGROUND MINES - REQUIREMENTS FOR APPLICATIONS IN AREAS OF MINES WITH FIREDAMP HAZARD - SAFETY REQUIREMENTS
    CLC/TR 50404:2003 Electrostatics - Code of practice for the avoidance of hazards due to static electricity
    UNI CEI EN 45510-2-5 : 2011 GUIDE FOR PROCUREMENT OF POWER STATION EQUIPMENT - PART 2-5: ELECTRICAL EQUIPMENT - MOTORS
    DIN V ENV 50269 : 1998 ASSESSMENT AND REPRESENTATIVE TESTING OF HIGH-VOLTAGE MACHINES
    ISA 12.13.01 : 2003 PERFORMANCE REQUIREMENTS FOR COMBUSTIBLE GAS DETECTORS
    BS EN 45510-2-5:2002 Guide for the procurement of power station equipment. Electrical equipment Motors
    NF EN 50303 : 2000 GROUP I, CATEGORY M1 EQUIPMENT INTENDED TO REMAIN FUNCTIONAL IN ATMOSPHERES ENDANGERED BY FIREDAMP AND/OR COAL DUST
    I.S. EN 61779-1:2003 ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF FLAMMABLE GASES - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
    I.S. HD 637:1999 POWER INSTALLATIONS EXCEEDING 1 KV A.C.
    DIN EN 12215:2010-06 COATING PLANTS - SPRAY BOOTHS FOR APPLICATION OF ORGANIC LIQUID COATING MATERIALS - SAFETY REQUIREMENTS
    I.S. EN 12215:2004 COATING PLANTS - SPRAY BOOTHS FOR APPLICATION OF ORGANIC LIQUID COATING MATERIALS - SAFETY REQUIREMENTS
    DIN EN 12012-2:2010-02 PLASTICS AND RUBBER MACHINES - SIZE REDUCTION MACHINES - PART 2: SAFETY REQUIREMENTS FOR STRAND PELLETISERS
    DIN EN 13852-2:2005-03 Cranes - Offshore cranes - Part 2: Floating cranes
    DIN EN 13636:2004-10 Cathodic protection of buried metallic tanks and related piping; German version EN 13636:2004
    I.S. EN 12012-3:2001 PLASTICS AND RUBBER MACHINES - SIZE REDUCTION MACHINES - PART 3: SAFETY REQUIREMENTS FOR SHREDDERS
    DIN EN 12405:2003-10 GAS METERS - GAS-VOLUME ELECTRONIC CONVERSION DEVICES
    I.S. EN 12012-2:2001 PLASTICS AND RUBBER MACHINES - SIZE REDUCTION MACHINES - PART 2: SAFETY REQUIREMENTS FOR STRAND PELLETISERS
    DIN EN 12012-2:2004-03 PLASTICS AND RUBBER MACHINES - SIZE REDUCTION MACHINES - PART 2: SAFETY REQUIREMENTS FOR STRAND PELLETISERS
    UNI EN 764-7 : 2004 PRESSURE EQUIPMENT - SAFETY SYSTEMS FOR UNFIRED PRESSURE EQUIPMENT
    VDE 0165-10 : 1999 ELECTRICAL APPARATUS FOR EXPLOSIVE GAS ATMOSPHERES - PART 17: INSPECTION AND MAINTENANCE OF ELECTRICAL INSTALLATIONS IN HAZARDOUS AREAS (OTHER THAN MINES)
    DIN EN 50303 : 2001-05 GROUP 1, CATEGORY M1 EQUIPMENT INTENDED TO REMAIN FUNCTIONAL IN ATMOSPHERES ENDANGERED BY FIREDAMP AND/OR COAL DUST
    VDE 0400-40-1 : 2000 AMD 1 2004 SPECIFICATION FOR OPEN PATH APPARATUS FOR THE DETECTION OF COMBUSTIBLE OR TOXIC GASES AND VAPOURS - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
    VDE 0170-12-2 : 2001-05 GROUP 1, CATEGORY M1 EQUIPMENT INTENDED TO REMAIN FUNCTIONAL IN ATMOSPHERES ENDANGERED BY FIREDAMP AND/OR COAL DUST
    06/30150265 DC : 0 EN 1474-1 - INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - DESIGN AND TESTING OF MARINE TRANSFER SYSTEMS - PART 1: DESIGN AND TESTING OF TRANSFER ARMS
    CEI EN 50303 : 2001 EQUIPMENT INTENDED FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES GROUP 1, CATEGORY M1 EQUIPMENT INTENDED TO REMAIN FUNCTIONAL IN ATMOSPHERES ENDANGERED BY FIREDAMP AND/OR COAL DUST
    04/30124466 DC : DRAFT OCT 2004 EN 12405-1 - GAS METERS - CONVERSION DEVICES - PART 1: VOLUME CONVERSION
    BS EN 50241-1:1999 Specification for open path apparatus for the detection of combustible or toxic gases and vapours General requirements and test methods
    04/30112677 DC : 0 IEC 61779-1 ED.2 - ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF FLAMMABLE GASES - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
    CSA PLUS 2203 : 2001 HAZARDOUS LOCATIONS - GUIDE FOR THE DESIGN, TESTING, CONSTRUCTION, AND INSTALLATION OF EQUIPMENT IN EXPLOSIVE ATMOSPHERES
    BS EN 50014:1998 Electrical apparatus for potentially explosive atmospheres. General requirements
    CEI EN 50381 : 2006 TRANSPORTABLE VENTILATED ROOMS WITH OR WITHOUT AN INTERNAL SOURCE OF RELEASE
    EEMUA 186 : 2016 A PRACTITIONER'S HANDBOOK FOR POTENTIALLY EXPLOSIVE ATMOSPHERES
    BS EN 12215 : 2004 COATING PLANTS - SPRAY BOOTHS FOR APPLICATION OF ORGANIC LIQUID COATING MATERIALS - SAFETY REQUIREMENTS
    UNI EN 12012-3 : 2008 PLASTICS AND RUBBER MACHINES - SIZE REDUCTION MACHINES - PART 3: SAFETY REQUIREMENTS FOR SHREDDERS
    EN 50241-1 : 99 AMD 1 2004 SPECIFICATION FOR OPEN PATH APPARATUS FOR THE DETECTION OF COMBUSTIBLE OR TOXIC GASES AND VAPOURS - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
    UNI EN 12012-2 : 2008 PLASTICS AND RUBBER MACHINES - SIZE REDUCTION MACHINES - PART 2: SAFETY REQUIREMENTS FOR STRAND PELLETISERS
    UNI EN 12215 : 2010 COATING PLANTS - SPRAY BOOTHS FOR APPLICATION OF ORGANIC LIQUID COATING MATERIALS - SAFETY REQUIREMENTS
    DIN EN 50241-1 : 2000 AMD 1 2004 SPECIFICATION FOR OPEN PATH APPARATUS FOR THE DETECTION OF COMBUSTIBLE OR TOXIC GASES AND VAPOURS - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
    03/300200 DC : DRAFT JAN 2003 CENELEC TR 50404 - ELECTROSTATICS - CODE OF PRACTICE FOR THE AVOIDANCE OF HAZARDS DUE TO STATIC ELECTRICITY
    00/707659 DC : DRAFT APR 2000 PREN 13852-1 - CRANES - OFFSHORE CRANES - PART 1: GENERAL PURPOSE OFFSHORE CRANES
    DIN EN ISO 8230-3:2009-05 SAFETY REQUIREMENTS FOR DRY-CLEANING MACHINES - PART 3: MACHINES USING COMBUSTIBLE SOLVENTS
    DIN EN 50284 : 2000 SPECIAL REQUIREMENTS FOR CONSTRUCTION, TEST AND MARKING OF ELECTRICAL APPARATUS OF EQUIPMENT GROUP II, CATEGORY 1 G
    CEI UNI EN 45510-2-5 : 2006 GUIDE FOR PROCUREMENT OF POWER STATION EQUIPMENT - PART 2-5: ELECTRICAL EQUIPMENT - MOTORS
    SAE AS 6479 : 2014 SPLICER, FUSION, FIBER OPTIC, AEROSPACE
    I.S. EN 50381:2004 TRANSPORTABLE VENTILATED ROOMS WITH OR WITHOUT AN INTERNAL SOURCE OF RELEASE
    DIN EN 764-7:2002-09 PRESSURE EQUIPMENT - PART 7: SAFETY SYSTEMS FOR UNFIRED PRESSURE EQUIPMENT
    BS EN 764-7:2002 Pressure equipment Safety systems for unfired pressure vessels
    97/204928 DC : DRAFT APR 1997 PREN 50273 - INSTALLATION OF ELECTRICAL APPARATUS IN AREAS ENDANGERED BY EXPLOSIVE SUBSTANCES
    ISO 8230-3:2008 Safety requirements for dry-cleaning machines Part 3: Machines using combustible solvents
    BS EN 1474:1997 Installation and equipment for liquefied natural gas. Design and testing of loading/unloading arms
    BS EN 1834-1:2000 Reciprocating internal combustion engines. Safety requirements for design and construction of engines for use in potentially explosive atmospheres Group II engines for use in flammable gas and vapour atmospheres
    BS EN 12012-3 : 2001 PLASTICS AND RUBBER MACHINES - SIZE REDUCTION MACHINES - PART 3: SAFETY REQUIREMENTS FOR SHREDDERS
    BS EN 12405:2002 Gas meters. Gas-volume electronic conversion devices
    BS EN 1834-2:2000 Reciprocating internal combustion engines. Safety requirements for design and construction of engines for use in potentially explosive atmospheres Group I engines for use in underground workings susceptible to firedamp and/or combustible dust
    BS EN 13636:2004 Cathodic protection of buried metallic tanks and related piping
    EN 50284:1999 Special requirements for construction, test and marking of electrical apparatus of equipment group II, Category 1 G
    EN 1474 : 1997 INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - DESIGN AND TESTING OF LOADING/UNLOADING ARMS
    EN 1834-1:2000 Reciprocating internal combustion engines - Safety requirements for design and construction of engines for use in potentially explosive atmospheres - Part 1: Group II engines for use in flammable gas and vapour atmospheres
    EN 764-7:2002/AC:2006 PRESSURE EQUIPMENT - PART 7: SAFETY SYSTEMS FOR UNFIRED PRESSURE EQUIPMENT
    EN ISO 8230-3:2008 Safety requirements for dry-cleaning machines - Part 3: Machines using combustible solvents (ISO 8230-3:2008)
    EN 45510-2-5:2002 Guide for procurement of power station equipment - Part 2-5: Electrical equipment - Motors
    EN 13636:2004 Cathodic protection of buried metallic tanks and related piping
    EN 1834-2:2000 Reciprocating internal combustion engines - Safety requirements for design and construction of engines for use in potentially explosive atmospheres - Part 2: Group I engines for use in underground workings susceptible to firedamp and/or combustible dust
    EN 13852-2:2004 Cranes - Offshore cranes - Part 2: Floating cranes
    EN 1532 : 1997 INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - SHIP TO SHORE INTERFACE
    03/119040 DC : DRAFT NOV 2003 PREN 1010-1 - SAFETY OF MACHINERY - SAFETY REQUIREMENTS FOR THE DESIGN AND CONSTRUCTION OF PRINTING AND PAPER CONVERTING MACHINES - PART 1: COMMON REQUIREMENTS
    I.S. EN 1474:1998 INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - DESIGN AND TESTING OF LOADING/UNLOADING ARMS
    I.S. EN 1532:1997 INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - SHIP TO SHORE INTERFACE
    BS IEC 61831:1999 On-line analyser systems. Guide to design and installation
    03/301332 DC : DRAFT JAN 2003 ISO 12649 - GRAPHIC TECHNOLOGY - SAFETY REQUIREMENTS FOR BINDING AND FINISHING SYSTEMS AND EQUIPMENT
    BS EN 50303:2000 Group I, Category M1 equipment intended to remain functional in atmospheres endangered by firedamp and/or coal dust
    BS EN 50073:1999 Guide for selection, installation, use and maintenance of apparatus for the detection and measurement of combustible gases or oxygen
    BS EN 50284:1999 Special requirements for construction, test and marking of electrical apparatus of equipment group II, category 1 G
    PD CLC/TR 50404:2003 Electrostatics. Code of practice for the avoidance of hazards due to static electricity
    I.S. 231:1979 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GENERAL REQUIREMENTS
    I.S. EN ISO 8230-3:2008 SAFETY REQUIREMENTS FOR DRY-CLEANING MACHINES - PART 3: MACHINES USING COMBUSTIBLE SOLVENTS
    I.S. CLC/TR 50404:2006 ELECTROSTATICS - CODE OF PRACTICE FOR THE AVOIDANCE OF HAZARDS DUE TO STATIC ELECTRICITY
    PREN 13852 : DRAFT 2000 CRANES - OFFSHORE CRANES - PART 1: GENERAL PURPOSE OFFSHORE CRANES
    I.S. EN 50241-1:1999 SPECIFICATION FOR OPEN PATH APPARATUS FOR THE DETECTION OF COMBUSTIBLE OR TOXIC GASES AND VAPOURS - GENERAL REQUIREMENTS AND TEST METHODS
    BS EN 13852-2:2004 Cranes. Offshore cranes Floating cranes
    BS EN 14583:2004 Workplace atmospheres. Volumetric bioaerosol sampling devices. Requirements and test methods
    BS EN 12012-2 : 2001 PLASTICS AND RUBBER MACHINES - SIZE REDUCTION MACHINES - PART 2: SAFETY REQUIREMENTS FOR STRAND PELLETISERS
    EN 50019:2000/corrigendum Apr. 2003 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INCREASED SAFETY "E"
    I.S. EN 14583:2004 WORKPLACE ATMOSPHERES - VOLUMETRIC BIOAEROSOL SAMPLING DEVICES - REQUIREMENTS AND TEST METHODS
    EN 50303:2000 Group I, Category M1 equipment intended to remain functional in atmospheres endangered by firedamp and/or coal dust
    EN 14583:2004 Workplace atmospheres - Volumetric bioaerosol sampling devices - Requirements and test methods

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    EN 50039:1980 Electrical apparatus for potentially explosive atmospheres - Intrinsically safe electrical systems 'i'
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    EN 60034-1:2010/corrigendum Oct. 2010 ROTATING ELECTRICAL MACHINES - PART 1: RATING AND PERFORMANCE
    EN 50020:2002 Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i'
    EN 50017:1998 Electrical apparatus for potentially explosive atmospheres - Powder filling "q"
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    EN 50018 : 2000 AMD 1 2002 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - FLAMEPROOF ENCLOSURE "D"
    IEC 60529:1989+AMD1:1999+AMD2:2013 CSV Degrees of protection provided by enclosures (IP Code)
    IEC 60034-1:2017 Rotating electrical machines - Part 1: Rating and performance
    EN 50015:1998 Electrical apparatus for potentially explosive atmospheres - Oil immersion "o"
    EN 60529:1991/AC:2016-12 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015)
    EN 50028:1987 Electrical apparatus for potentially explosive atmospheres - Encapsulation 'm'
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