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It shall not be missing in any public building: an operative and ready for use hand fire extinguisher. Requirements, test methods and maintenance are regulated on an E...



БДС EN 3-7:2004+A1:2007

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БДС EN 3-7:2004+A1:2007
Status: Published
Lang: Bulgarian
Pages: 54
Published: 2007-11-30
Related international standards

EN 3-7:2004+A1:2007
CEN/TC 70
Price: 105.00 BGN

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The standard is available on PDF file.The standard is available on PDF file.

Bulgarian title

Носими пожарогасители. Част 7: Характеристики, технически изисквания и методи за изпитване

English title

Portable fire extinguishers - Part 7: Characteristics, performance requirements and test methods

Scope in Bulgarian

Този стандарт определя характеристиките, технически изисквания за работа и методи за изпитване за носими пожарогасители. Указанието за пригодността на пожарогасителя за използване при пожари на газове (пожари клас С) е по преценка на производителя, но то е приложимо само за пожарогасители с прах, които имат получена категория клас В или клас А и В. Пригодността на пожарогасителите за използване при пожари от клас D (пожари водещи да пламване на метали) е извън обхвата на този стандарт по отношение на изпитване на гасителна ефективност. Обаче, пожарогасители обявени за подходящи за клас D във всички други отношения са обхванати от изискванията за пожарогасители с прах на този стандарт.

Scope in English

This standard specifies the characteristics, performance requirements and test methods for portable fire extinguishers. Reference to the suitability of an extinguisher for use on gaseous fires (class C fires) are at the manufacturer’s discretion, but are applied only to powder type extinguishers which have gained a class B or class A and class B rating. Suitability of extinguishers for use on class D fires (fires involving flammable metals) is outside the scope of this standard in respect of test fires. However, extinguishers claiming class D suitability are covered in all other respects by the requirements in this standard for powder extinguishers. It is considered hazardous for powder and carbon dioxide fire extinguishers to be used on Class F fires. For this reason powder and carbon dioxide fire extinguishers are excluded for conformance with regard to Class F in this European Standard. NOTE The extinction of a metal fire presents a situation so specific (in terms of the metal itself, its form, the configuration of the fire etc.) that it is not possible to define a representative standard fire for the purposes of testing. The efficiency of extinguishers on class D fires needs to be established on a case by case basis.

Technical committee

ICS

Directive

No relation with a directive

Correnspondence with national standards

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