BS EN 12953-1:2012 - Shell boilers. General

BS EN 12953-1:2012

Shell boilers. General

Status : Current, Under review   Published : April 2012

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1.1 General This European Standard applies to shell boilers with volumes in excess of 2 litres for the generation of steam and/or hot water at a maximum allowable pressure greater than 0,5 bar and with a temperature in excess of 110 °C. The purpose of this European Standard is to ensure that the hazards associated with the operation of shell boilers are reduced to a minimum and that adequate protection is provided to contain the hazards that still prevail when the shell boiler is put into service. This protection will be achieved by the proper application of the design, manufacturing, testing and inspection methods and techniques incorporated in the various parts of this European Standard. Where appropriate, adequate warning of residual hazards and the potential for misuse are given in the training and operating instructions and local to the equipment concerned (see EN 12953-7 and EN 12953-8). It is the manufacturer's responsibility, in addition to complying with the requirements of this standard, to take into consideration special measures which could be necessary in order to achieve by manufacturing the required level of safety in accordance with the EU Directive 97/23/EC (PED). NOTE 1 Further requirements relating to operating instructions in prEN 12953-13 and to hazard analysis in CEN/TS 764-6 should be taken into consideration. This European Standard specifies requirements for both directly fired and electrically heated boilers including Low Pressure Boilers (LPB, see 3.6) as well as for heat recovery boilers with a gas-side pressure not exceeding 0,5 bar of cylindrical design, constructed from carbon or carbon manganese steels by fusion welding and a design pressure not exceeding 40 bar. The boilers covered by this European Standard are intended for land use for providing steam or hot water (typical examples are shown in Figures 1 to 6). For Low Pressure Boilers (LPB) less stringent requirements concerning design and calculation are acceptable. Details are defined in the respective clauses. NOTE 2 For boilers operating at a pressure on the gas-side greater than 0,5 bar the rules of this standard equally apply. However, it is generally considered that additional design analysis, inspection and testing may be necessary. Where a particular boiler is a combination of shell and water-tube design then the water-tube standard series EN 12952 is used in addition to this European Standard. One such example of this combination is shown in Figure 3. This European Standard applies to the generator, from the feed-water or water inlet connection to the steam or water outlet connection and to all other connections, including the valves and steam and water fittings. If welded ends are used, the requirements specified herein begin or end at the weld where flanges, if used, would have been fitted. 1.2 Exclusions This European standard does not apply to the following types of boilers and equipments: a) water-tube boilers; b) non stationary boilers, e.g. locomotive boilers; c) thermal oil boilers; d) boilers where the main pressure housing is made of cast material. e) pumps, gaskets, etc. f) brickwork setting and insulation, etc. NOTE Stainless steel boilers are covered by EN 14222.




Standard NumberBS EN 12953-1:2012
TitleShell boilers. General
StatusCurrent, Under review
Publication Date30 April 2012
Normative References(Required to achieve compliance to this standard)EN 12953-3:2002, EN 12953-13:2012, EN 12953-10:2003, CR 12953-14:2002
Informative References(Provided for Information)EN 14222, EN 45510-3-2, EN 14394, 97/23/EC, CEN/TS 764-6:2004, EN 764-1, EN 764-2, EN 12953-2, EN 12953-7:2002, EN 764-3:2002, EN 12953-8:2001
ReplacesBS EN 12953-1:2002
International RelationshipsEN 12953-1:2012
Draft Superseded By10/30216702 DC
DescriptorsSafety measures, Boilers, Design, Hot-water boilers, Environment (working), Gaseous fuels, Equipment safety, Water treatment, Solid fuels, Safety devices, Liquid fuels, Assembling, Cut-out devices, Quality assurance systems, Steam boilers, Instructions for use, Verification, Fire-tube boilers
ICS23.020.01
27.060.30
Title in FrenchChaudières à tubes de fume. Partie 1. Généralités
Title in GermanGroßwasserraumkessel. Teil 1. Allgemeines
CommitteePVE/2
ISBN978 0 580 70579 3
PublisherBSI
FormatA4
DeliveryYes
Pages40
File Size1.194 MB
Price£214.00


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