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EXPLOSIVE ATMOSPHERES - PART 30-1: ELECTRICAL RESISTANCE TRACE HEATING - GENERAL AND TESTING REQUIREMENTS (IEC 60079-30-1:2007, IDT)
MS IEC 60079-30-1:2009
Status : Original
Format : PDF

This Malaysian Standard specifies general and testing requirements for electrical resistance trace heaters for application in explosive gas atmospheres. The standard covers trace heaters that may comp ....Read more rise either factory- or field-(work-site) assembled units, and which may be series heating cables, parallel heating cables or heating pads and heating panels that have been assembled and/or terminated in accordance with the manufacturer's instructions. Close

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EXPLOSIVE ATMOSPHERES - PART 29-2: GAS DETECTORS - SELECTION, INSTALLATION, USE AND MAINTENANCE OF DETECTORS FOR FLAMMABLE GASES AND OXYGEN (IEC 60079-29-2:2007, IDT)
MS IEC 60079-29-2:2009
Status : Original
Format : PDF

This Malaysian Standard gives guidance on, and recommended practice for, the selection, installation, safe use and maintenance of electrically operated group II apparatus intended for use in industria ....Read more l and commercial safety applications for the detection and measurement of flammable gases. Close

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EXPLOSIVE ATMOSPHERES - PART 29-1: GAS DETECTORS - PERFORMANCE REQUIREMENTS OF DETECTORS FOR FLAMMABLE GASES (IEC 60079-29-1:2007, IDT)
MS IEC 60079-29-1:2009
Status : Original
Format : PDF

This Malaysian Standard specifies general requirements for construction, testing and performance, and describes the test methods that apply to portable, transportable and fixed apparatus for the detec ....Read more tion and measurement of flammable gas or vapour concentrations with air. This Malaysian Standard is also applicable when an apparatus manufacturer makes any claims regarding any special features of construction or superior performance that exceed these minimum requirements. In these cases, all such claims should be verified and the test procedures should be extended or supplemented, where necessary, to verify the performance claimed by the manufacturer. When verifying the superior performance of one criterion, other performance criteria are not required to meet the standards minimum requirements, however, these reduced claimed performance criteria (as confirmed in the manufactures Installation Manual) should also be verified. (e.g. temperature range of 0 °C to 60 °C; 0 °C to 40 °C at ±10 % Close

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Explosive atmospheres - Part 5: Equipment protection by powder filling “Q” (IEC 60079-5:2007, IDT) (First revision)
MS IEC 60079-5:2007 (CONFIRMED:2013)
Status : 1st Confirmation
Format : PDF

This Malaysian Standard specifies requirements for the construction, testing and marking of electrical equipment, parts of electrical equipment and Ex components in the type of protection powder filli ....Read more ng "q", intended for use in explosive gas atmospheres.

NOTE 1: Electrical equipment and Ex components protected by powder filling “q” may contain electronic circuits, transformers, protection fuses, relays, intrinsically safe electrical apparatus, associated electrical apparatus, switches, etc.

NOTE 2: Type of protection powder filling “q” provides equipment protection level (EPL) Gb.

This Malaysian Standard supplements and modifies the general requirements of MS IEC 60079-0. Where a requirement of this standard conflicts with a requirement of MS IEC 60079-0, the requirement of this standard will take precedence. Close

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Explosive atmospheres - Part 14: Electrical installations design, selection and erection (First revision) (IEC 60079-14:2007, IDT)
MS IEC 60079-14:2008 (CONFIRMED:2013)
Status : 1st Confirmation
Format : PDF

This Malaysian Standard specifies specific requirements for the design, selection and erection of electrical installations in hazardous areas associated with explosive atmospheres. This standard appli ....Read more es to all electrical equipment including fixed, portable, transportable and personal, and installations, permanent or temporary. Close

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Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures 'd' (Second revision) (IEC 60079-1:2007, IDT)
MS IEC 60079-1:2008 (CONFIRMED:2013)
Status : 1st Confirmation
Format : PDF

This Malaysian Standard specific requirements for the construction and testing of electrical apparatus with the type of protection flameproof enclosure 'd', intended for use in explosive gas atmospher ....Read more es. Close

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Explosive atmospheres - Part 19: Equipment repair, overhaul and reclamation (Third revision) (IEC 60079-19:2010, AMD. 1:2015 , IDT)
MS IEC 60079-19:2017
Status : 3rd Revision
Format : PDF

This Malaysian Standard gives instructions, principally of a technical nature, on the repair, overhaul, reclamation and modification of equipment designed for use in explosive atmospheres;

....Read more /> a) is not applicable to maintenance, other than when repair and overhaul cannot be disassociated from maintenance, neither does it give advice on cable entry systems which may require a renewal when the equipment is re-installed;

b) is not applicable to type of protection "m", "o" and "q"; and

c) assumes that good engineering practices are adopted throughout. Close

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Power transformers Part 2: Temperature rise for liquid-immersed transformers (First revision) (IEC 60076-2:2011, MOD)
MS 60076-2:2017
Status : 1st Revision
Format : PDF

This Malaysian Standard applies to liquid-immersed transformers, identifies power transformers according to their cooling methods, defines temperature rise limits and gives the methods for temperature ....Read more rise tests. Close

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Power transformers - Part 8: Application guide (IEC 60076-8: 1997, IDT)
MS IEC 60076-8:2005 (CONFIRMED:2013)
Status : Original
Format : PDF

This Malaysian Standard applies to power transformers complying with the series of publications IEC 60076.

It is intended to provide information to users about:

–certain ....Read more fundamental service characteristics of different transformer connections and magnetic circuit designs, with particular reference to zero-sequence phenomena;

–system fault currents in transformers with YNynd and similar connections;

–parallel operation of transformers, calculation of voltage drop or rise under load, and calculation of load loss for three-winding load combinations;

–selection of rated quantities and tapping quantities at the time of purchase, based on prospective loading cases;

–application of transformers of conventional design to convert or loading;–measuring technique and accuracy in loss measurement.

Malaysian Standard the information is of a general nature and applicable to all sizes of power transformers.Several chapters, however, deal with aspects and problems which are of the intere Close

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Power transformers - Part 7: Loading guide for oil-immersed power transformers (First revision) (IEC 60076-7:2005, MOD)
MS 60076-7:2012
Status : 1st Revision
Format : PDF

This Malaysian Standard specifies oil-immersed transformers that describes the effect of operation under various ambient temperatures and load conditions on transformer life. The standard provides gui ....Read more dance for the specification and loading of power transformers from the point of view of operating temperatures and thermal ageing and provides recommendation for loading above the nameplate rating and guidance for the planner to choose appropriate rated quantities and loading conditions for new installations. Close

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