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Standard

NS-EN 13463-1:2001

Tilbaketrukket

Merknad: Denne standarden har en ny utgave: NS-EN 13463-1:2009

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Omfang

This European Standard specifies the basic method and requirements for design, construction, testing and marking of non-electrical equipment intended for use in potentially explosive atmospheres in air of gas, vapour, mist and dusts. This standard is valid for atmospheres having pressures ranging from 0,8 bar to 1,1 bar and temperatures ranging from 20 °C to + 60 °C. Such atmospheres can also exist inside the equipment. The external atmosphere can be drawn inside the equipment by natural breathing produced as a result of fluctuations in the equipment’s internal operating pressure, and/or temperature. This standard can also be helpful for the design, construction, testing and marking of equipment intended for use in atmospheres outside the validity range stated above, but in this case, the ignition risk assessment, ignition protection provided, additional testing (if necessary), manufacturer’s technical documentation and instructions to the user, should clearly demonstrate and indicate the equipment’s suitability for the conditions it may encounter . NOTE 1 This standard does not cover additional marking for equipment intended for use outside the scope of its validity such as an oxygen enriched atmosphere. It specifies the requirements for the design and construction of equipment, intended for use in potentially explosive atmospheres in conformity with all categories of Group I and II. This European Standard can be supplemented by European Standards concerning the specific types of ignition protection currently in preparation: NOTE 2 These standards are given below: prEN 13463-2: Non-electrical equipment for use in potentially explosive atmospheres – Protection by flow restricting enclosure (fr) prEN 13463- 3: Non-electrical equipment for use in potentially explosive atmospheres – Protection by flameproof enclosure (d) prEN 13463- 4: Non-electrical equipment for use in potentially explosive atmospheres – Protection by inherent safety (g ) prEN 13463- 5: Non-electrical equipment for use in potentially explosive atmospheres – Protection by constructional safety (c) prEN 13463- 6: Non-electrical equipment for use in potentially explosive atmospheres – Protection by control of ignition sources (b) prEN 13463- 7: Non-electrical equipment for use in potentially explosive atmospheres – Protection by pressurisation (p) prEN 13463- 8: Non-electrical equipment for use in potentially explosive atmospheres – Protection by liquid immersion (k) EN 50303 Group I, category M1 equipment intended to remain functional in atmospheres endangered by firedamp and/or coal dust. NOTE 3 Where it is impracticable to avoid all effective sources of ignition, explosion protection can also be achieved by e.g. inerting, suppression, venting or containment as described in EN 1127-1, for Group II equipment or for example by dilution, drainage, monitoring and shut-down as described in prEN 1127-2 for Group I equipment. Such explosion protection methods are outside the scope of this standard. NOTE 4 This European Standard specifies methods of controlling the risk of ignition of explosive atmospheres by equipment. These can not be sufficient for some types of powder handling equipment that create a dust cloud inside an enclosure during normal operation. In such cases one or more of the protective systems described in 6.5 of EN 1127-1:1997 should be adopted. The means adopted for limiting the effects of ignitions in mining systems are described in 6.5 of prEN 1127-2:2001. Equipment protected in this way is outside the scope of this standard.

Dokumentinformasjon

  • Standard fra SN
  • Publisert:
  • Tilbaketrukket:
  • Utgave: 1
  • Versjon: 1
  • Varetype: NAT
  • Products.Specs.pages
  • ICS 13.230
  • National Committee SN/K 187

Referanser i lov

EU lov:
Lov referanseRestriksjoner
94/9/EC

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