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Standard

NS-EN 1127-1:1997

Tilbaketrukket

Merknad: Denne standarden har en ny utgave: NS-EN 1127-1:2019

Forhåndsvisning

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Tjenester

Omfang

This European Standard specifies methods for the identification and assessment of hazardous situations leading to explosion and the design and construction measures appropriate for the required safety. This is achieved by - hazard identification - risk assessment - elimination or minimization of risk - information for use The safety of equipment, protective systems, and components can be achieved, as described in [clause] 5.7 of EN 414:1992, by removal of hazards and/or limiting the risk, i.e. a) by design without using safeguarding; b) by safeguarding; c) by communication links if necessary to convey information to the user; d) by any other precautions. NOTE: The "design" in accordance with [clause] 5.7 of EN 414:1992 should not be confused with the "design" in accordance with [clause] 6.5 of this standard. Measures in accordance with a) (prevention) and b) (protection) against explosions are dealt with in clause 6 of this standard, measures according to c) against explosions are dealt with in clause 7 of this standard. Measures in accordance with d) are not described in this standard. They are dealt with in clause 6 of EN 292-2:1991. The preventive and protective measures described in this standard will not provide the required level of safety unless the equipment, protective systems, and components is operated within its intended use and is installed and maintained according to the relevant codes of practice or requirements. This standard specifies general design and construction methods to help designers and manufacturers in achieving explosion safety in the design of equipment, protective systems and components. This standard is applicable to any equipment, protective systems and components intended to be used in potentially explosive atmospheres. These atmospheres can arise from flammable materials processed, used or released by the equipment, protective systems and components or from materials in the vicinity of the equipment, protective systems and components and/or from the materials of construction of the equipment, protective systems and components. This standard is applicable to equipment, protective systems and components at all stages of its use. This standard is only applicable to equipment group II which is intended for use in other places than underground parts of mines and those parts of surface installations of such mines endangered by firedamp and/or flammable dust. This standard is not applicable to: - medical devices intended for use in a medical environment; - equipment, protective systems and components where the explosion hazard results exclusively from the presence of explosive substances or unstable chemical substances; - equipment, protective systems and components where the explosion can occur by reaction of substances with other oxidizers than atmospheric oxygen or by other hazardous reactions or by other than atmospheric conditions; - equipment intended for use in domestic and non-commercial environments where potentially explosive atmospheres may only rarely be created, solely as a result of the accidental leakage of fuel gas; - personal protective equipment covered by Directive 89/686/EEC; - seagoing vessels and mobile offshore units together with equipment on board such vessels or units; - means of transport, i.e. vehicles and their trailers intended solely for transporting passengers by air or by road, rail or water networks, as well as means of transport insofar as such means are designed for transporting goods by air, by public road or rail networks or by water. Vehicles intended for use in a potentially explosive atmosphere shall not be excluded; - the design and construction of systems containing desired, controlled combustion processes, unless they can act as ignition sources in potentially explosive atmospheres.

Dokumentinformasjon

  • Standard fra SN
  • Publisert:
  • Tilbaketrukket:
  • Utgave: 1
  • Versjon: 1
  • Varetype: NAT
  • Products.Specs.pages
  • ICS 13.110
  • ICS 13.230
  • National Committee CEN/TC 114/WG 16

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