Ul 600790 standard for explosive atmospheres part 0. Or download the pdf of the directive or of the official. It is the fifth edition of isa6007911 and the fifth edition of ul 6007911. Classification of areas explosive dust atmospheres iec 60079102. This part of iec 60079 supplements and modifies the general requirements of iec 600790, except as indicated in table 1. The equipment marking is to be in accordance with iec 60079 or the relevant standards to which it is constructed. Equipment protection by flameproof encl osures d this national standard is the identical implementation of ie c 600791. Iec, the international electrotechnical commission, is a nonprofit organization that develops and publishes standards concerning electrical technologies, of which a truly wide variety exists in todays modern world. Iec 6007914 reminds the users to carry out the inspection. Iec 6007919 this is an international standard for the overhaul and repair of ex equipment, as is detailed above this standard has been developed from a code of practice for the overhaul of electrical equipment for use in explosive atmospheres the standard has 12. At the start of 2016 the british standards institution adopted the current iec standard for hazardous area classification for gases and vapours as bs en 60079101.
Equipment protection by increased safetye number of amendments. Explosive atmospheres are identified by the national electrical code, ansinfpa 70 as hazardous classified locations and include the following specified locations. Classification of areas, explosive gas atmospheres iec en 60079 102. Please agree to the use of cookies in order to proceed with. The standard atmospheric conditions relating to the explosion characteristics of the atmosphere under which it may be assumed that ex equipment can be operated are. Shockiec 60068242, basic environmental testing procedures. This part of iec 60079 is concerned with the classification of areas where flammable gas or vapour or mist hazards see notes 1, 2 and 3 may arise and may then be used as a basis to support the proper selection and installation of equipment for use in a hazardous area. Eniec 6007910 classification of hazardous areas gas. This standard supplements and modifies the general requirements of iec 60079 0. Date isa6007911 ul 6007911 7 general notes this is the common isa and ul standard for explosive atmospheres part 11. En 6007910 iec 6007910 and selection, en 6007914 iec 6007914 etc. Where a requirement of this standard conflicts with a.
This document is a modification of the iec document and includes us deviations. Classification of areas, combustible dust atmospheres the selection and construction of electrical installations is defined by standard iecen 6007914. The world of iec 6007914 iec 6007914 is one of the most important international standard,specifying the requirements for. Increased safety ex e en 600797 atexxo manufacturing. For those categories of power transformers and reactors which have their own iec standards, this part is applicable only to the extent in which it is specifically called up by crossreference in the other standard. Using and referencing iec and iso standards to support public. Normally, all ex equipment is to be marked with protection type, test institute and certificate number, maker, type, gas group and temperature class if applicable. Din en 60079102 201510 explosive atmospheres part 102. With this in mind, the iec and iso invite policy makers to engage in dialogue with their national member bodies in.
This part of iec 60079 supplements and modifies the general requirements of iec 60079 0, except as indicated in table 1. In this section, we explore the benefits of choosing iec and iso international standards. Iec 60079 19 this is an international standard for the overhaul and repair of ex equipment, as is detailed above this standard has been developed from a code of practice for the overhaul of electrical equipment for use in explosive atmospheres the standard has 12 sections and 3 appendices. What parts of the specification are relevant and how can this be. Standards and certification for hazardous area instrumentation. Oct 24, 2016 at the start of 2016 the british standards institution adopted the current iec standard for hazardous area classification for gases and vapours as bs en 60079 101. Please agree to the use of cookies in order to proceed with using our. Iec certification scheme for explosive atmospheres for rules and. September 9, 2012 download iec 6007910electrical apparatus for explosive gas atmospherespart 10classification of hazardous areas pdf edit delete tags autopost.
Those covering hazardous areas are created by a specific committee tc31 and its numerous subcommittees and form part of the iec 60079 series. Zone hazardous location 33 introduction a major safety concern in industrial plants is the occurrence of fires and explosions. Figure 17 example of cylindrical joint for shaft of rotating electrical machine. No other aspect of industrial safety receives more attention in the form of codes, standards, technical papers, and engineering design. This standard applies to electrical equipment where the rated voltage does not exceed 15 kv r. Electrical equipment and ex components of type of protection increased safety e are either. Headquartered in geneva, switzerland, iec standards reach over 150 countries. We use cookies to make our website more userfriendly and to continually improve it.
Performance requirements iec 6006826, environmental testing. Equipment protection by intrinsic safety i see other formats. Iec 60064, tungsten filament lamps for domestic and similar general lighting purposes. Currently en 60079 14 does not refer to categories so the protection code of the apparatus is used as listed in the standard or the category can be equated as being suitable for a specific zone as detailed in the directive. It is not appropriate for electronic components or sparking devices such as switches. Survey of electrical equipment installed in 120 hazardous. Equipment protection by increased safety e bs en 600797. This standard supplements and modifies the general requirements of iec 600790. Din en 60079101 201610 explosive atmospheres part 101. Installation, inspection and maintenance of electrical. Into the world of iec 6007914 expert electrical technologies. This part of iec 60079 contains the specific requirements for the construction and testing of electrical apparatus with pressurized enclosures, of type of protection p, intended for use in explosive gas atmospheres.
Exmc302rm february 2006 minutes of buxton meeting 6, 7 october 2005. Iec 6007914 should be immediately amended with the reinstatement of the assessment procedure used in iec 6007914. Summary of issues enclosure volume does not form a part of the assessment procedure for whether a barrier gland is required, whereas our investigation has confirmed that there is a clear correlation between. The international electrotechnical commission iec is a worldwide organization for standardization comprising. The process of creating and modifying standards is slow because of the lengthy but. It specifies requirements for pressurized enclosures containing a limited release of a flammable substance. The significance of the changes between iec 600791, edition 7. This part of iec 60079 does not specify the methods that may be required to ensure adequate air quality for personnel with regard to toxicity and temperature within the room. Ex protection concepts electrical electrical symbol typical iec epl typical zones iec standard basic concept of protection increased safety e gb 1,2 iec 60079. Hazardous area classification in the uk in 2016 where are. Using and referencing iec and iso standards to support. Hazardous area classification in the uk in 2016 where.
Legally binding document step out from the old to the newjawaharlal nehru. Motors and drives in potentially explosive atmospheres. It is intended to be applied where there may be an ignition hazard due to the presence of flammable gas or. Classification of areas, explosive gas atmospheres iecen 60079102. Vibration sinusoidal iec 60068227, environmental testing. The most common equipment protected by increased safety are transformers, motors, luminaires, cells, batteries, terminals and wires. Currently en 6007914 does not refer to categories so the protection code of the apparatus is used as listed in the standard or the category can be equated as being suitable for a specific zone as detailed in the directive. An important part of safety procedure is the initial inspection. Therefore iec 60079 14 should be immediately amended with the reinstatement of the assessment procedure used in iec 60079 14. Classification of areas explosive gas atmospheres iec 60079101. This part of iec 60079 document specifies the general requirements for construction, testing and marking of ex equipment and ex components intended for use in explosive atmospheres.
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